Publications

Nikos Papadakis, Nikos Koukoulas , Ioannis Christakis, Ilias Stavrakas and Dionisis Kandris, An IoT-Based Participatory Antitheft System for Public Safety Enhancement in Smart Cities , Smart Cities 2021, 4(2), 919-937; https://doi.org/10.3390/smartcities4020047

Andronikos Loukidis, Dimos Triantis, Ilias Stavrakas, Non-extensive statistical analysis of acoustic emissions: The variability of entropic index q during loading of brittle materials until fracture, Entropy 2021, 23, 276.

Andronikos Loukidis, Jennifer Perez-Oregon, Ermioni Pasiou, Nicholas Sarlis, Dimos Triantis, Similarity of fluctuations in critical systems: Acoustic emissions observed before fracture, Physica A 566 (2021) 125622

Andronikos Loukidis, Dimos Triantis, Ilias Stavrakas, Non-extensive statistical analysis of acoustic emissions recorded in marble and cement mortar specimens under mechanical load until fracture, Entropy, 2020, 22 (10), 1115

Dimos Triantis, Dimitri K. Tsaousi, Ilias Stavrakas, Ermioni D. Pasiou, Panagiotis Douvis, Stavros K. Kourkoulis, Electric and acoustic activity in notched fiber-reinforced concrete beams under three point bending, Materials Today: Proceedings 32 (2020) 148–155.

Dimos Triantis, Ilias Stavrakas, Ermioni D Pasiou, Stavros K Kourkoulis, Assessing the acoustic activity in marble specimens understepwise compressive loading, Mat. Design Process Comm. 2020; 2: e100.

Andronikos Loukidis, Dimos Triantis, Ilias Stavrakas, Ermioni D. Pasiou, Stavros K. Kourkoulis, Comparative Ib-value and F-function analysis of Acoustic Emissions from elementary and structural tests with marble specimens, Material Design and Processing Communication, 2020;e176.

Mastrogiannis D, Andreopoulos SI, Potirakis SM, Stavrakas I, Triantis D, Pasiou ED, Modelling acoustic and electric signals emitted during structural tests in terms of log-periodic power-law models. Material Design and Processing Communication, 2020;1–9, .https://doi.org/10.1002/mdp2.134

Andronikos Loukidis,_Ermioni D. Pasiou, Nicholas V. Sarlis, Dimos Triantis, Fracture analysis of typical construction materials in natural time, Physica A, 547, 123831, 2020.

Triantis, D. and Kourkoulis, S. (2019) “Fracture precursor phenomena in marble specimens under uniaxial compression by means of Acoustic Emission data”, Fracture and Structural Integrity, 13(50), pp. 537-547

Stavrakas, I., Kourkoulis, S. and Triantis, D. (2019) “Damage evolution in marble under uniaxial compression monitored by Pressure Stimulated Currents and Acoustic Emissions ”, Fracture and Structural Integrity, 13(50), pp. 573-583

Dimos Triantis, Ilias Stavrakas, Ermioni D. Pasiou, Stavros K. Kourkoulis, Assessing the acoustic activity in marble specimens under stepwise compressive loading. Material Design and Processing Communication 2019;e100

V. Saltas, F. Vallianatos, D. Triantis, T. Koumoudeli, I. Stavrakas, Non-extensive statistical analysis of acoustic emissions series recorded during the uniaxial compression of brittle rocks, Physica A, Vol. 528, 15, 2019, 121498.

E. D. Pasiou, I. Stavrakas, D. Triantis, S K. Kourkoulis, Marble epistyles under shear: an experimental study of the role of “Relieving Space, Front. Struct. Civ. Eng. (2019), https://doi.org/10.1007/s11709-019-0515-9

D. Triantis and S. K. Kourkoulis, An Alternative Approach for Representing the Data Provided by the Acoustic Emission Technique, Rock Mechanics and Rock Engineering (2018) 51:2433–2438.

E. Kosmidis, P. Syropoulou, S. Tekes, P. Schneider, E. Spyromitros-Xioufis, M. Riga, P. Charitidis, A. Moumtzidou, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris, I. Stavrakas, G. Hloupis, A. Loukidis, K. Kourtidis, A. K. Georgoulias, and G. Alexandri, hackAIR: Towards Raising Awareness about Air Quality in Europe by Developing a Collective Online Platform, ISPRS Int. J. Geo-Inf. 2018, 7(5), 187; https://doi.org/10.3390/ijgi7050187

D. Mastrogiannis, S.I. Andreopoulos, S.M. Potirakis, I. Stavrakas, D. Triantis, S.K. Kourkoulis. Investigation of acoustic emissions and pressure stimulated currents detected during bending of restored marble epistyles within the frame of log-periodic power-law models, Procedia Structural Integrity, Volume 10, 2018, Pages 319-325.

A. Kyriazopoulos, I. Christakis, I.Stavrakas. Tsallis entropy modeling of Pressure Stimulated Currents when cement-based materials are subjected to abrupt repetitive bending loadings, Procedia Structural Integrity, Volume 10, 2018, Pages 97-103

K. Kourkoulis, E. D. Pasiou, I. Dakanali, I. Stavrakas, D. Triantis, Notched marble plates under direct tension: Mechanical response and fracture, Construction & Building Materials, 167 426–439 (2018).

K. Kourkoulis, E. D. Pasiou, I. Dakanali, I. Stavrakas, D. Triantis, Mechanical response of notched marble beams under bending versus acoustic emissions and electric activity, Journal of Theoretical and Applied Mechanics, 56, 2, pp. 523-547 (2018).

K. Kourkoulis, E. D. Pasiou, I. Dakanali, I. Stavrakas, D. Triantis, Notched marble plates under tension: Detecting pre-failure indicators and predicting entrance to the “critical stage”, Fatigue & Fracture of Engineering Materials & Structures, 41, 776-786 (2018).

Stavrakas, Acoustic Emissions and Pressure Stimulated Currents Experimental Techniques used to verify Kaiser Effect during compressional tests of Dionysos marble, Fracture and Structural Integrity (Frattura ed Integrità Strutturale), 40, 2017, pp 32-40, DOI: 10.3221/IGF-ESIS.40.03.

K. Kourkoulis, E. D. Pasiou, I. Dakanali, I. Stavrakas, D. Triantis, Notched marble plates under tension: Detecting pre-failure indicators and predicting entrance to the “critical stage”, Fatigue & Fracture of Engineering Materials & Structures, 2017; 1-11, DOI: 10.1111/ffe.12745

Stavros K. Kourkoulis, Ioanna Dakanali, Ermioni D. Pasiou, Ilias Stavrakas, Dimos Triantis, Acoustic Emissions versus Pressure Stimulated Currents during bending of restored marble epistyles: Preliminary results, Fracture and Structural Integrity, 41, 536-551 (2017)

Pasiou, E. D., Triantis, D., Correlation between the electric and acoustic signals emitted during compression of brittle materials. Fracture and Structural Integrity, 40, 41-51 (2017)

Triantis, E.D. Pasiou, I. Stavrakas, I. Dakanali, S.K. Kourkoulis. Correlation of pressure stimulated currents and acoustic emissions during 3PB of cement-mortar beams and the role of loading rate, Procedia Structural Integrity, Volume 3, 2017, Pages 346-353.

K. Kourkoulis, D. Triantis, I. Stavrakas, E.D. Pasioua, I. Dakanali. Recording the mechanical response and fracture of marble DENT specimens using modern sensing techniques, Procedia Structural Integrity, Volume 3, 2017, Pages 326-333

Z.S. Metaxa, E.D. Pasiou, I. Dakanali, I. Stavrakas, D. Triantis, S.K. Kourkoulis, Carbon nanotube reinforced mortar as a sensor to monitor the structural integrity of restored marble epistyles under shear, Procedia Structural Integrity, Volume 2 (2016) 2833–2840 (21st European Conference on Fracture, ECF21, 20-24 June 2016, Catania, Italy).

Dakanali, I. Stavrakas, D. Triantis and S. K. Kourkoulis, Pull-out of threaded reinforcing bars from marble blocks, Procedia Structural Integrity, Volume 2, (2016), pp. 2865–2872. (21st European Conference on Fracture, ECF21, 20-24 June 2016, Catania, Italy)

Ilias Stavrakas, Dimos Triantis, Stavros Kourkoulis, Ermioni Pasiou, Ioanna Dakanali, Acoustic emission analysis when cement mortar specimens are subjected to three point bending repetitive cycles, Latin American Journal of Solids and Structures, Vol 13 (12), pp. 2283-2297 (2016)

G Hloupis, I Stavrakas, F Vallianatos and D Triantis, A preliminary study for prefailure indicators in acoustic emissions using wavelets and natural time analysis, Journal of Materials: Design and Applications, 230(3) 780–788 (2016)

Alexandridis, I. Stavrakas, Ch. Stergiopoulos, G. Hloupis, K. Ninos, D. Triantis, Non-destructive assessment of the three-point-bending strength of mortar beams using radial basis function neural networks, Computers and Concrete, An International Journal, vol. 16, no 6, 919-932 ( 2015)

Stergiopoulos, I. Stavrakas, D. Triantis, F. Vallianatos, J. Stonham, Predicting fracture of mortar beams under three-point bending using non-extensive statistical modelling of electric emissions. Physica A, vol. 419, 603–611 (2015)

Alex Alexandridis, Eva Chondrodima, Evangelos Efthimiou, Giorgos Papadakis, Filippos Vallianatos, and Dimos Triantis, Large Earthquake Occurrence Estimation Based on Radial Basis Function Neural Networks, IEEE Transactions on Geoscience and Remote Sensing, Vol.52, 5443 – 5453 (2014)

Filippos Vallianatos and Dimos Triantis, A non extensive view of the pressure stimulated current relaxation during repeated abrupt uniaxial load-unload in rock samples, Europhysics Letters (EPL) 104 (2013) 68002

Kourkoulis, S. K., Pasiou E. D., Stavrakas I., Hloupis G., Triantis D. The mechanical response of marble epistyles studied with the aid of innovative experimental techniques, Anyagvizsgálók Lapja (Mechanical Testing – 2013/3-4), pp.85-92

Stergiopoulos, I. Stavrakas, G. Hloupis, D. Triantis, F. Vallianatos, Electrical and acoustic emissions in cement mortar beams subjected to mechanical loading up to fracture, Engineering Failure Analysis, Volume 35, pp 454–461 (2013).

Charalampos Stergiopoulos, Ilias Stavrakas, George Hloupis, Antonios Kyriazopoulos, Dimos Triantis, Cimon Anastasiadis, John Stonham, Nondestructive Testing Electrical Methods for Sensing Damages in Cement Mortar Beams, Open Journal of Applied Sciences, 3, pp 50-55 (2013).

Vallianatos, D. Triantis, Is pressure stimulated current relaxation in amphibolite a case of non-extensivity? , Europhysics Letters (EPL), 99 (2012) 18006.

Triantis, I. Stavrakas, A. Kyriazopoulos, G. Hloupis, Z. Agioutantis Pressure Stimulated Electrical Emissions from cement mortar used as failure predictors, International Journal of Fracture, 175, 53-61 (2012).

Triantis, F. Vallianatos, I. Stavrakas, G. Hloupis, Relaxation phenomena of electric signal emissions from rocks following to abrupt mechanical stress application, Annals of Geophysics, 55, 207-212 (2012).

Alexandridis, D. Triantis, I Stavrakas, C. Stergiopoulos, A neural network approach for compressive strength prediction in cement-based materials through the study of pressure-stimulated electrical signals, Construction and Building Materials 30, pp 294–300 (2012).

Kyriazopoulos, C. Anastasiadis, D. Triantis, J. C. Brown, Non-destructive evaluation of cement-based materials from pressure-stimulated electrical emission – Preliminary results, Construction and Building Materials, 25, pp 1980–1990 (2011).

Kyriazopoulos, I. Stavrakas, C. Anastasiadis, D. Triantis, Study of weak electric current emission on cement mortar under uniaxial compressional mechanical stress up to the vicinity of fracture, S. V. – Journal of Mechanical Engineering, 57, pp 235-242 (2011).

Kyriazopoulos, I. Stavrakas, K. Ninos, C. Anastasiadis, D. Triantis, Pressure Stimulated Current emissions on cement paste samples under repetitive stepwise compressional loadings, S. V. – Journal of Mechanical Engineering, 56, pp 551-556 (2010).

Kyriazis, C. Anastasiadis, I. Stavrakas, D. Triantis, J. Stonham, Modelling of electric signals stimulated by bending of rock beams, International Journal of Microstructure and Materials Properties, 4, pp 5-18 (2009).

Triantis, C. Anastasiadis, and I. Stavrakas, The Correlation of Electrical Charge with Strain on Stressed Rock Samples, Natural Hazards and Earth System Sciences, 8, pp 1243–1248 (2008).

Vallianatos, D. Triantis, Scaling in Pressure Stimulated Currents related with Rock Fracture, Physica A, 387, pp 4940-4946 (2008).

Triantis, C. Anastasiadis, F. Vallianatos, P. Kyriazis, G. Nover, Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drilling, Natural Hazards and Earth System Sciences, 7, pp 149-154 (2007).

Anastasiadis, D. Triantis, C. A. Hogarth, Comments on the phenomena underlying pressure stimulated currents (PSC) in dielectric rock materials, Journal of Materials Science, 42, pp 2538-2542 (2007).

Stavrakas, M. Clarke, G.Koulouras, G. Stavrakakis and C. Nomicos: Study of directivity effect on Electromagnetic emissions in the HF band as earthquake precursors: Preliminary results on field observations, Tectonophysics, vol. 431, Issues 1-4, pp. 263–271, 2007.

Anastasiadis, I. Stavrakas, D. Triantis, F. Vallianatos, Correlation of pressure stimulated currents in rocks with the damage variable, Annals of Geophysics, 50, pp 1-6 (2007).

Kyriazis, C. Anastasiadis, D. Triantis, F. Vallianatos, Wavelet analysis on Pressure Stimulated Currents emitted by marble samples, Natural Hazards and Earth System Sciences, 6, pp 889-894 (2006).

Triantis, I. Stavrakas, C. Anastasiadis, A. Kyriazopoulos, F. Vallianatos, An analysis of Pressure Stimulated Currents (PSC), in marble samples under mechanical stress, Physics and Chemistry of the Earth, 31, pp 234-239 (2006).

Ι. Stavrakas, Triantis, Z. Agioutantis, S. Maurigiannakis, V. Saltas, F. Vallianatos, Pressure Stimulated Currents in rocks and their correlations with mechanical properties, Natural Hazards and Earth System Sciences, 4, pp 563-567 (2004).

Anastasiadis, D. Triantis, I. Stavrakas, F. Vallianatos, Pressure stimulated currents (PSC) in marble samples after the application of various stress modes before fracture, Annals of Geophysics, 47, pp 21-28 (2004).

Vallianatos, D. Triantis, A. Tzanis, C. Anastasiadis, I. Stavrakas, Electric Earthquake Precursors: From Laboratory Results to Field Observations, Physics and Chemistry of the Earth, 29, pp 339-351 (2004).

Hloupis, F. Vallianatos, J. Stonham, J. Makris, D. Triantis, Detection of short period transients in geophysical signals using wavelet transform, WSEAS Transactions on Communications, 3, pp 904-908 (2004).

Ι. Stavrakas, C. Anastasiadis, Triantis, F. Vallianatos, Piezo Stimulated currents in marble samples: Precursory and concurrent – with – failure signals, Natural Hazards and Earth System Sciences, 3, pp 243-247 (2003).

Book Chapters

• Kyriazis, P., C. Anastasiadis, D. Triantis, and J. Stonham. Wavelet analysis of ac conductivity time series for the detection of imperfections in rocks. In Recent Progress in Computational Sciences and Engineering (2 vols), pp. 293-296. CRC Press, 2019.
• Saltas, F. Vallianatos D. Triantis, I. Stavrakas, Complexity in Laboratory Seismology: From Electrical and Acoustic Emissions to Fracture, Chapter 8, Book: Complexity Measurement and Application to Seismic Time Series, Measurement and Application, Imprint: Elsevier, Published Date: 1st June 2018.
• Moumtzidou, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris, K. Kourtidis, G. Hloupis, I. Stavrakas, K. Papachristopoulou, C. Keratidis, Towards Air Quality Estimation Using Collected Multimodal Environmental Data, Collective Online Platforms for Financial and Environmental Awareness, Volume 10078 of the series Lecture Notes in Computer Science pp 147-156, November 2016.
• Stergiopoulos, I. Stavrakas, D. Triantis, G. Hloupis, F. Vallianatos, The Use of PSC Technique to Estimate the Damage Extension During Three Point Bending Test, Mechanical and Materials Engineering of Modern Structure and Component Design, Volume 70, pp. 363-372, of the series Advanced Structured Materials,  © Springer International Publishing Switzerland 2015, ISBN 978-3-319-19442

 Papers in refereed Conference Proceedings:  

• Ι. Christakis , P. Syropoulou, N. Papadakis, I. Stavrakas, On the correction of low-cost NO2, O3 and PM sensors, Eighth International Conference on Environmental Management, Engineering, Planning, and Economics (CEMEPE 2021) and SECOTOX Conference, 2021, pp 301-310.
• Ι. Christakis, G. Hloupis, O. Tsakiridis, P. Syropoulou, N. Papadakis, I. Stavrakas, Performance comparison of low-cost gas and particles sensors, Eighth International Conference on Environmental Management, Engineering, Planning, and Economics (CEMEPE 2021) and SECOTOX Conference, pp 332-341, 2021.
• I. Christakis, G. Hloupis, O. Tsakiridis, I. Stavrakas. Low cost sensor implementation and evaluation for measuring NO2 and O3 pollutants International Conference on Modern Circuits and Systems Technologies (MOCAST) on Electronics and Communications, Bremen, Germany, 2020.
• I. Zyrichidou, P. Syropoulou, S. Tekes, G. Grivas, I. Stavroulas, E Athanasopoulou, E. Gerasopoulos, I. Christakis, T. Migos, I. Stavrakas, G. Hloupis, O. Tsakiridis, K. Ioannidis, N. Papadakis City-Wide Air Quality Measurement System Based on IoT Network, 12th International Conference on Air Quality – Science and Application, Thessaloniki, Greece, 2020.
• Dimos Triantis, Ilias Stavrakas, Antonios Kyriazopoulos, Ermioni D. Pasiou, Stavros K. Kourkoulis, Monitoring the mechanical response of early aged cement-mortar specimens using the Pressure Stimulated Currents technique, Procedia Structural Integrity 28 (2020) 502–510 [ 1st Virtual European Conference on Fracture]
• Andronikos Loukidis, Ilias Stavrakas, Dimos Triantis, The relaxation processes of Pressure Stimulated Currents under the concept of Non-extensive statistical physics, Procedia Structural Integrity 26 (2020) 277–284 [The 1st Mediterranean Conference on Fracture and Structural Integrity, MedFract1].
• Andronikos Loukidis, Ermioni D. Pasiou, Nicholas V Sarlis, Dimos Triantis, Similarity of fluctuations of acoustic emissions in natural time, Procedia Structural Integrity 25 (2020) 195–200 [ 1st Virtual Conference on Structural Integrity – VCSI1]
• T. Migos, I. Christakis, K. Moutzouris, I. Stavrakas, On the evaluation of low-cost PM sensors for air quality estimation, 8th International Conference on Modern Circuits and Systems Technologies (MOCAST), 13-15May 2019, Thessaloniki, Greece, IEEE 978-1-7281-1184-1/19.
• N. Papadakis, D. Stouraitis, A. Bartzas, E. Gerasopoulos, G. Grivas, E. Athanasopoulou, I. Stavroulas, P. Syropoulou, A. Agrafiotis, I. Christakis, T. Migos, I. Stavrakas and K. Ioannidis, EMISSION: Environmental monitoring integrated system using an IoT network, 23rd International Transport and Air Pollution Conference 15-17 May 2019, Thessaloniki, Greece
• I. Stavrakas and A. Kyriazopoulos, TSALLIS ENTROPY MODELING OF PRESSURE STIMULATED CURRENTS WHEN CEMENT-BASED MATERIALS ARE SUBJECTED TO ABRUPT REPETITIVE BENDING LOADINGS, 1st International Conference of the GREEK SOCIETY OF EXPERIMENTAL MECHANICS OF MATERIALS Athens, Greece, May 10-12, 2018, pp. 93-94
• D. Triantis, Acoustic emission monitoring of marble specimens under uniaxial compression. Precursor phenomena in the near-failure phase, Procedia Structural Integrity 10, 11–17 (2018), (1st International Conference of the Greek Society of Experimental Mechanics of Materials).
• K. Kourkoulis, I. Dakanali, I. Stavrakas I. and D. Triantis. ‘An alternative configuration for the elimination of parasitic effects during pull-out tests’, “IGF Workshop 2018, Fracture and Structural Integrity: Ten years of ‘Frattura ed Integrità Strutturale’, Cassino, Italy, June 4-6, 2018.
• D. Mastrogiannis , S. I. Andreopoulos, S. M. Potirakis, I. Stavrakas, D. Triantis and S. K. Kourkoulis, INVESTIGATING ACOUSTIC EMISSIONS AND PRESSURE STIMULATED CURRENTS DETECTED DURING THE BENDING OF RESTORED MARBLE EPISTYLES WITHIN THE FRAME OF LOG-PERIODIC POWER-LAW  MODELS, 1st International Conference of the GREEK SOCIETY OF EXPERIMENTAL MECHANICS OF MATERIALS Athens, Greece, May 10-12, 2018, pp. 203-204
• I. Lampros, I. Christakis, D. Triantis and I. Stavrakas, DETERMINING THE LIMITATIONS OF 2.3 GHz GPR SCANNING IN DETECTING OBJECTS OF SMALL GEOMETRICAL DIMENSIONS, 1st International Conference of the GREEK SOCIETY OF EXPERIMENTAL MECHANICS OF MATERIALS Athens, Greece, May 10-12, 2018, pp. 79-80
• I. Stavrakas, S. K. Kourkoulis and D. Triantis, MONITORING SPATIOTEMPORAL DAMAGE EVOLUTION IN MARBLE USING ELECTRICAL CURRENT AND ACOUSTIC EMISSIONS, 1st International Conference of the GREEK SOCIETY OF EXPERIMENTAL MECHANICS OF MATERIALS Athens, Greece, May 10-12, 2018, pp. 197-198
• D. K. Tsaousi, I. Stavrakas and D. Triantis, AE HIT-FREQUENCY VARIATIONS AS PRE-FAILURE INDICATORSDURING COMPRESSIVE LOADING ON MARBLE SPECIMENS, 1st International Conference of the GREEK SOCIETY OF EXPERIMENTAL MECHANICS OF MATERIALS Athens, Greece, May 10-12, 2018, pp. 105-106
• I. Stavrakas and A. Kyriazopoulos, TSALLIS ENTROPY MODELING OF PRESSURE STIMULATED CURRENTS WHEN CEMENT-BASED MATERIALS ARE SUBJECTED TO ABRUPT REPETITIVE BENDING LOADINGS, 1st International Conference of the GREEK SOCIETY OF EXPERIMENTAL MECHANICS OF MATERIALS Athens, Greece, May 10-12, 2018, pp. 93-94

• Triantis, E. D. Pasiou, I. Stavrakas, I. Dakanali, S. K. Kourkoulis, Correlation of pressure stimulated currents and acoustic emissions during 3PB of cement-mortar beams and the role of loading rate, Structural Integrity Procedia 3, 346-353 (2017) (XXIV Italian Group of Fracture Conference, 1-3 March 2017, Urbino, Italy)
• K. Kourkoulis, D. Triantis, I. Stavrakas, E. D. Pasiou and I. Dakanali, Recording the mechanical response and fracture of marble DENT specimens using modern sensing techniques, Structural Integrity Procedia 3, 326-333 (2017) (XXIV Italian Group of Fracture Conference, 1-3 March 2017, Urbino, Italy)
• S. Metaxa, E.D. Pasiou, I. Dakanali, I. Stavrakas, D. Triantis, S.K. Kourkoulis, Carbon nanotube reinforced mortar as a sensor to monitor the structural integrity of restored marble epistyles under shear, Procedia Structural Integrity 2 (2016) 2833–2840 (21st European Conference on Fracture, ECF21, 20-24 June 2016, Catania, Italy).
• Anastasia Moumtzidou, Symeon Papadopoulos, Stefanos Vrochidis, Yiannis Kompatsiaris, Konstantinos Kourtidis, George Hloupis, Ilias Stavrakas, Konstantina Papachristopoulou and Christodoulos Keratidis,“Towards Air Quality Estimation Using Collected Multimodal Environmental Data”, 1st International Workshop on Internet and Social media for Environmental Monitoring, ISEM 2016, 12-14 September 2016, Florence, Italy
• Dakanali, I. Stavrakas, D. Triantis and S. K. Kourkoulis, Pull-out of threaded reinforcing bars from marble blocks, Procedia Structural Integrity 2 (2016) 2865–2872 (21st European Conference on Fracture, ECF21, 20-24 June 2016, Catania, Italy)
• K. Kourkoulis, E. D. Pasiou, D. Triantis, I. Stavrakas, G. Hloupis, Innovative Experimental Techniques in the Service of Restoration of Stone Monuments-Part I: the Experimental Set up, Procedia Engineering, (2015) Vol. 109, 268-275, XXIII Italian Group of Fracture Meeting, IGFXXIII.
• Triantis, I. Stavrakas, E. D. Pasiou, G. Hloupis, S. K. Kourkoulis, Innovative Experimental Techniques in the Service of Restoration of Stone Monuments – Part II: Marble Epistyles under Shear, Procedia Engineering, (2015) Vol. 109, 2015, Pages 276–284, XXIII Italian Group of Fracture Meeting, IGFXXIII.
• Hloupis, I. Stavrakas, E.D. Pasiou, D. Triantis, S.K. Kourkoulis, Natural Time Analysis of Acoustic Emissions in Double Edge Notched Tension (DENT) Marble Specimens, Procedia Engineering, (2015) Vol. 109, 248-256, XXIII Italian Group of Fracture Meeting, IGFXXIII.
• Dakanali, I. Stavrakas, D. Triantis, E. D. Pasiou, S. K. Kourkoulis, An experimental study of the pull-out mechanism of threaded metallic bars embedded in marble blocks. Proceedings of the International Conference “SCience in TEchnology – SCinTE – 2015, vol.1 pp. 81-85.
• Dakanali, A. Kyriazopoulos, I. Stavrakas, D. Triantis, Using b-value analysis to estimate pre-failure characteristics of cement mortar beams subjected to Three-Point-Bending. Proceedings of the International Conference “SCience in TEchnology – SCinTE – 2015, vol. 1 pp. 109-112
• D. Pasiou, I.Stavrakas, G. Hloupis, S. K. Kourkoulis and D. Triantis, Electrical and Acoustic Emissions during Three Point Bending Tests of Pre-Notched Marble Specimens. Proceedings of the International Conference “SCience in TEchnology – SCinTE – 2015, vol.1 pp. 86-90.
• Triantis and I. Stavrakas, Acoustic Emissions Experimental Technique used to verify Kaiser effect during compressional tests of Dionysos marble. Proceedings of the International Conference Science in Technology, SCinTE-2015, vol.1 pp. 23-26.
• D. Pasiou, I. Stavrakas, G. Hloupis, S. K. Kourkoulis and D. Triantis, Electrical and Acoustic Emissions during Three Point Bending Tests of Pre-Notched Marble Specimens. Proceedings of the International Conference “SCience in TEchnology – SCinTE – 2015, vol.1 pp. 86-90.
• Stavrakas, D. Triantis, A. Kyriazopoulos, K. Ninos, Pressure Stimulated Currents and Acoustic Emission combined recordings for the detection of compressive strength of Dionysos marble. Proceedings of the International Conference Science in Technology, SCinTE-2015, vol.1 pp. 19-22.
• Kyriazopoulos, I. Stavrakas, C. Anastasiadis, D. Triantis, Analysis of Acoustic Emissions from Cement Beams when Applying Three-Point Bending with Different Loading Rates. Proceedings of the 6th International Conference on Theoretical and Applied Mechanics (TAM ’15) Salerno, Italy June 27-29, 2015, pp. 57-63
• Hloupis, I. Stavrakas, I. Dakanali, A. Kyriazopoulos, D. Triantis, Natural time analysis of acoustic emissions when cement mortar specimens are subjected to three point bending loading, Proc. 39th Solid Mechanics Conference, Poland, Sept. 1-5, 2014, pp. 121-122.
• K. Kourkoulis, E.D. Pasiou, I. Stavrakas, G. Hloupis, D. Triantis, K. Moutzouris, An experimental study of the mechanical response of a typical epistyles’ connection under pure shear, Proc. 39th Solid Mechanics Conference, Poland, Sept. 1-5, 2014, pp. 125-126.
• D. Stavrakas, E. D. Pasiou, G. P. Hloupis, G.-T. P. Malliaros, D. A. Triantis, and S. K. Kourkoulis, Exploring the size effect of marble by combined use of Pressure Stimulated Currents and Acoustic Emissions, Proceedings of the 10th HSTAM International Congress on Mechanics Chania, Crete, Greece, 25 – 27 May, 2013.
• Stergiopoulos, I. Stavrakas, G. Hloupis, A. Kyriazopoulos, D. Triantis, Acoustic Emission and Electrical Signal Recordings during Three Point Bending Tests on Cement Mortar Samples., Proceedings of the 5^th International Conference on NDT of HSNT, (IC-MINDT-2013), 20-22 May 2013, Athens, Greece.
• Stergiopoulos, I. Stavrakas, G. Hloupis, A. Kyriazopoulos, D. Triantis, C. Anastasiadis and J. Stonham, Monitoring Acoustic Emissions and Electrical Signals during three point bending tests performed on cement mortar specimens, Proceedings of the VIII International Conference on Fracture Mechanics of Concrete and Concrete Structures, FraMCoS-8, Toledo, 10-14 March, 2013.
• Alex Alexandridis, Dimos Triantis, Eva Chondrodima, Charalampos Stergiopoulos, George Hloupis, Ilias Stavrakas, Konstantinos Ninos, An Adaptive Soft-Sensor for Non-Destructive Cement-Based Material Testing, through the Use of RBF Networks, 2012 IEEE Conference on Evolving and Adaptive Intelligence Systems – EAIS 2012

• D. Triantis, C. Anastasiadis, I. Stavrakas, A. Kyriazopoulos, Z. Agioutantis, The emergence of electrical signal produced during and after failure of rock samples, Proceedings of the First Greek-Ukrainian, First Greek National Conference on Fracture Mechanics of Materials and Structures, Xanthi, Greece, October 20-23, 2010 (pp. 47-48).
• P. Kyriazis, C. Anastasiadis, I. Stavrakas, D. Triantis, J. Stonham, The frequency components of the mechanically stimulated electric signal as an identifier of fracture stages, Proceedings of the First Greek-Ukrainian, First Greek National Conference on Fracture Mechanics of Materials and Structures, Xanthi, Greece, October 20-23, 2010 (pp. 49-50).
• A. Kyriazopoulos, I. Stavrakas, C. Anastasiadis, D. Triantis, The correlation of the electric current peaks emitted from stressed hardened cement paste with the strain rate, Proceedings of the Concrete: 21st Century Superhero, 22-24 June 2009, London UK.

• Stavrakas, A. Kyriazopoulos, P. Kyriazis, K. Ninos, C. Anastasiadis, D. Triantis, The correlation of electric emissions with stress and strain on stressed rock samples, Proceedings of the 11th International Conference on Durability of Building Materials and Components, Istanbul, Turkey May 11-14, 2008,  pp. 781-787.
• Stergiopoulos, P. Tsiakas, D. Triantis, F. Vallianatos, A web based geoenvironmental data exchange information system, Proceedings of the 7th WSEAS Int. Conf. on Artificial Intelligence, Knowledge Engineering and Data Bases (AIKED’08), University of Cambridge, UK, Feb 20-22, 2008, pp. 553-557.
• Stavrakas, D. Triantis, C. Anastasiadis, A. Nardi, R. Carluccio, F. Vallianatos, Electric and Electromagnetic Signals emitted from rocks under stress up to fracture. Experimental results, Proceedings of the 2nd IASME/WSEAS International Conference on Geology and Seismology (GES ’08), Cambridge, UK, February 23-25, 2008, pp. 77-83.
• Vallianatos, D. Triantis, Scaling in Fracture: From Rocks to Earthquake Physics, Proceedings of the 2nd IASME / WSEAS International Conference on Geology and Seismology (GES ’08), Cambridge, UK, February 23-25, 2008, pp. 84-87.
• Daradimos, K. Papadopoulos, I. Stavrakas, M. Kaitsa, Th. Kontogiannis, D. Triantis, A Physical Access Control System that utilizes existing networking and computer infrastructure, Proceedings of the IEEE-EUROCON 2007. The International Conference on “Computer as a Tool” Warsaw, September 9-12, pp. 501-504.
• Kyriazis C. Anastasiadis, D. Triantis, J. Stonham, Wavelet analysis of ac conductivity time series for the detection of imperfections in rocks, Lecture Series on Computer and Computational Sciences, Vol. 7, 2006, pp. 293-296, presented at the Int. Conf. of Computational Methods in Sci. and Eng. (ICCMSE 2006), Chania, Crete, Greece.
• Triantis, C. Anastasiadis, I. Stavrakas, A. Kyriazopoulos, The Ascertainment of the Presence of Damage Processes Using the Pressure Stimulated Current (PSC) Technique on Marble and Cement Samples, Proceedings of the 9^th ECNDT, Berlin 2006, September 25-29, 2006, Tu.1.6.2.
• D. Triantis, Anastasiadis, A. Kyriazopoulos, P. Kyriazis, N. Alexis, Electric current emissions during bending of FRP samples up to fracture, Proceedings of the 2nd International Conference Advances in Mineral Resources Management and Environmental Geotechnology, 25-27 September, 2006, Hania Crete Greece, pp. 425-430.
• Kyriazopoulos, C. Anastasiadis, D. Triantis, I. Stavrakas, Experimental Pressure Stimulated Currents (PSC) recordings on cement mortar under mechanical stress, Proceedings of the 2nd International Fib Congress, Naples, Italy, 5-8 June 2006, ID 13-19.
• Anastasiadis, D. Triantis, A. Kyriazopoulos, I. Stavrakas, Pressure Stimulated Currents (PSC) recordings in cement mortar samples under abrupt stepwise uniaxial compressional stress, Proceedings of the 15^th National Conference of the Hellenic Society for Non-Destructive Testing, Athens, Greece, November 18-19, 2005, pp. 5.14-5.23.
• Kyriazopoulos, I. Stavrakas, C. Anastasiadis, D. Triantis, Pressure Stimulated Current (PSC) recordings on cement mortar and marble, Proceedings of the 4^th WSEAS International Conference on Applications of Electrical Engineering, (AEE 05), Prague, Czech Republic, 13-15 March 2005, pp. 12-15.
• Stavrakas, D. Triantis, C. Anastasiadis, Pressure Stimulated Current–PSC– emitted from marble samples when subjected to stress of various rates up to fracture, Proceedings of the 4^th WSEAS International Conference on Applications of Electrical Engineering, (AEE 05), Prague, Czech Republic, 13-15 March 2005, pp. 1-5.
• Triantis, I. Stavrakas, C. Anastasiadis, Comments and Remarks on the recordings of Pressure Stimulated Currents (PSC), in marble samples in the range of microcracking. Proceedings of the 4^th WSEAS International Conference on Applications of Electrical Engineering, (AEE 05), Prague, Czech Republic, 13-15 March 2005, pp. 16-21.
• Kyriazopoulos, I. Stavrakas, C. Anastasiadis, Triantis, F. Vallianatos, Z. Agioutantis, Pressure Stimulated Current (PSC) recordings on cement mortal. Preliminary results, Proceedings of the 7^th National Congress on Mechanics. (HSTAM 2004), Chania, Creece, June 24-26, 2004, pp. 378-383.
• Stavrakas, D. Triantis, Z. Agioutantis, S. Maurigiannakis, V. Saltas, F. Vallianatos, Pressure stimulated currents along with mechanical properties in rocks, Proceedings of the 1^st International Conference Advances in Mineral Resources Management and Environmental Geotechnology, Chania, Crete, Greece, June 2004, pp. 733-738.
• Stavrakas, D. Cavouras, C. Nomicos., G. Stavrakakis: “Statistical analysis of Electromagnetic variations possibly related to strong earthquake events”, III International Workshop on Magnetic, Electric and Electromagnetic Methods in Seismology and Volcanology, Moscow, Russia, September, 2002.

Papers in refereed Conference Books of Abstracts

• Stavros K. Kourkoulis, Ermioni D. Pasiou, Andronikos Loukidis, Ilias Stavrakas, Dimos Triantis, The problem of predicting entrance of a mechanical system into its critical state. Applications in the restoration/conservation of stone monuments, 7th International Conference on Crack Paths (CP 2021), September 21st to 24th, 2021, Plenary lecture
• Stavros K. Kourkoulis, Ermioni D. Pasiou, Andronikos Loukidis, Ilias Stavrakas, Dimos Triantis, The determination of mode-I Fracture Toughness (by means of the Brazilian-Disc configuration) in the light of experimental evidence provided by novel sensing techniques, SyMBoL final conference, September 2-3, 2021 – Online, https://youtu.be/Avq5JiS8ALc
• D. Triantis, I. Stavrakas, A. Loukidis, E.D. Pasiou and S.K. Kourkoulis, Exploring the acoustic activity in marble specimens under tension while entering into the stage of impending fracture’ 26th International Conference on Fracture and Structural Integrity, Turin, Italy, 26-28 May 2021.
• Dimos Triantis, Dimitri k. Tsaousi, Ermioni D. Pasiou, Stavros K. Kourkoulis, Electric and Acoustic Activity in Notched Fiber-Reinforced Concrete Beams Under Three-Point Bending, 36th Danubia-Adria Symposiumon Advances in Experimental Mechanics, 24–27 September 2019, Plzeň, Czech Republic, Book of Abstracts pp. 115-116
• D. Triantis, I. Stavrakas, E. D. Pasiou, S. K. Kourkoulis, Assessing the Acoustic Activity in Marble Specimens Under Stepwise Compressive Loading, Book of Abstracts: 25th International Conference – Fracture and Structural Integrity, June 12-14, 2019, Catania, Italy
• Dimos Triantis, Ilias Stavrakas and Stavros K. Kourkoulis, Qualitative correlation between acoustic and electric activities in brittle materials, Keynote Lectures: 41st Solid Mechanics Conference August 27-31, 2018, Warsaw, Poland, Book of Abstracts pp. 278-279.
• D. Triantis, Acoustic Emission monitoring of marble specimens under uniaxial compression: Precursor phenomena in the near-failure phase, 1st International Conference Greek Society of Experimental Mechanics of Materials, Athens, Greece, May 10-12, 2018, Book of Abstracts, pp. 95-96.
• A. Kyriazopoulos, C. Anastasiadis, D. Triantis and F. Vallianatos, Monitoring of Acoustic Emissions on three-point bending experiments in cement mortar beams in the light of non-extensive statistical physics, 1st International Conference Greek Society of Experimental Mechanics of Materials, Athens, Greece, May 10-12, 2018, Book of Abstracts, pp. 77-78.
• I. Lampros, I. Christakis, D. Triantis and I. Stavrakas, Determining the limitations of 2.3 GHz GPR scanning in detecting objects of small geometrical dimensions, 1st International Conference Greek Society of Experimental Mechanics of Materials, Athens, Greece, May 10-12, 2018, Book of Abstracts, pp. 79-80.
• D. K. Tsaousi, I. Stavrakas and D. Triantis, AE hit-frequency variations as pre-failure indicators during compressive loading on marble specimens, 1st International Conference Greek Society of Experimental Mechanics of Materials, Athens, Greece, May 10-12, 2018, Book of Abstracts, pp. 105-106.
• I. Stavrakas, S. K. Kourkoulis and D. Triantis, Monitoring spatiotemporal damage evolution in marble using electrical current and Acoustic Emissions, 1st International Conference Greek Society of Experimental Mechanics of Materials, Athens, Greece, May 10-12, 2018, Book of Abstracts, pp. 197-198.
• D. Mastrogiannis, S. I. Andreopoulos, S. M. Potirakis, I. Stavrakas, D. Triantis and S. K. Kourkoulis, Investigating Acoustic Emissions and Pressure Stimulated Currents detected during the bending of restored marble epistyles within the frame of log-periodic power-law models, 1st International Conference Greek Society of Experimental Mechanics of Materials, Athens, Greece, May 10-12, 2018, Book of Abstracts, pp. 203-204.
• Kourkoulis SK, Dakanali I, Pasiou ED, Stavrakas I, Triantis D, Structural health monitoring of restored epistyles subjected to multipoint bending. 14th International Conference on Fracture (ICF 14), Jue 18-23, 2017, Rhodes, Greece.
• I. Stavrakas, D. Triantis, F. Vallianatos, G. Hloupis, Electrical and Acoustic Emissions in Marble Samples Subjected to Mechanical Loading up to Fracture, 9th International Conference on Advanced Computational Engineering and Experimenting, ACEX-2015, Munich, Germany, from 29 June – 2 July, 2015, Book of Abstracts , p. 194.
• Ilias D. Stavrakas, Dimos A. Triantis and Ioanna Dakanali, Damage Estimation of Cement Mortar Beams Under Three Point Bending Loading Using Acoustic Emissions, 8th GRACM International Congress on Computational Mechanics Volos, 12  July – 15 July 2015
• I. Stavrakas, D. Triantis, G. Hloupis, S.K. Kourkoulis, E.D. Pasiou, I. Dakanali, Acoustic Emission Analysis when Cement Mortar Specimens are subjected to three Point Bending Repetitive Cycles, 9th International Conference on Advanced Computational Engineering and Experimenting, ACEX-2015, Munich, Germany, from 29 June – 2 July, 2015, Book of Abstracts , p. 195
• Ch. Stergiopoulos, D. Triantis, I. Stavrakas, G. Hloupis, G.T. Malliaros, F. Vallianatos, A Study on the Non-Extensive Statistical Physics Governing the Electrical Signal Emissions from Cement Mortar Beams under Mechanical Loading, 8th International Conference on Advanced Computational Engineering and Experimenting–ACEX 2014, Paris, France, from 30 June – 3 July, 2014, Book of Abstracts: ACEX306, pp. 44-45.
• G. Hloupis, I. Stavrakas, F. Vallianatos and D. Triantis, Searching for Pre-failure Indicators in Acoustic Emissions Using Wavelets and Natural Time Analysis, 8th International Conference on Advanced Computational Engineering and Experimenting–ACEX 2014, Paris, France, from 30 June – 3 July, 2014, Book of Abstracts: ACEX252, pp. 130.
• I. Stavrakas, D. Triantis, G. Hloupis, K. Moutzouris, C. Anastasiadis, Monitoring Spatial Damage Development Through Electrical Current and Acoustic Emission Detection when Marble Specimens are Subjected to Mechanical Loading, 8th International Conference on Advanced Computational Engineering and Experimenting–ACEX 2014, Paris, France, from 30 June-3 July, 2014, Book of Abstracts: ACEX305, pp. 43-44.
• Ermioni D. Pasiou, Ilias Stavrakas, George Hloupis, Dimos Triantis, Stavros K. Kourkoulis, Electric Current Emissions Versus Acoustic Emissions in the Study of Interconnected Marble, Structural Elements, 6th International Congress “Science and Technology for the Safeguard of Cultural Heritage in the Mediterranean, 22-25 October, 2013, Athens, Greece
• Stavros K. Kourkoulis, Ermioni D. Pasiou, Ilias Stavrakas, George Hloupis, Dimos Triantis, The mechanical response of marble epistyles studied with the aid of innovative experimental techniques, 30th Symposium on advances in experimental mechanics, Danubia-Adria, 25-28 September 2013, Ref. nr. 4A03 014
• G. Hloupis, I. Stavrakas, D. Triantis, E.D. Pasiou, S.K. Kourkoulis, Electrical current and Acoustic Emissions when marble specimens subjected to compressive mechanical loading. 30th Symposium on advances in experimental mechanics, Danubia-Adria, 25-28 September 2013, Ref. nr. 5A16 139
• G. Hloupis, I. Stavrakas, F. Vallianatos, and D. Triantis, Compressive Strength Estimation of Marble Specimens using Acoustic Emission Hits in Time and Natural Time Domains: Preliminary Results, Geophysical Research Abstracts Vol. 15, EGU2013-11623, 2013,
• D. Triantis, I. Stavrakas, G. Hloupis, K. Ninos, and F. Vallianatos,  Acoustic and Electrical Signal Emission recordings when marble specimens are subjected to compressional mechanical stress, Geophysical Research Abstracts Vol. 15, EGU2013-11507, 2013
• C. Stergiopoulos, I. Stavrakas, A. Kyriazopoulos, G. Hloupis, D. Triantis, J. Stonham,  Electrical signals and acoustic emissions from cement mortar specimens subjected to three point bending, Fifth International Conference on Engineering Failure Analysis, 1-4 July 2012, Hague, the Netherlands, Book of Abstracts: B.29.
• F. Vallianatos, D. Triantis, Is Pressure Stimulated Current relaxation in amphibolite a case of non – extensivity ?,  Geophysical Research Abstracts, Vol. 14, EGU2012 – 11726, 2012.
• I. Stavrakas, G. Hloupis, D. Triantis, F. Vallianatos, Concurrent recordings of Electrical Current Emissions and Acoustic Emissions detected from marble specimens subjected to mechanical stress up to fracture, Geophysical Research Abstracts Vol. 14, EGU2012-8194, 2012.
• D. Triantis, C. Anastasiadis, I. Stavrakas, F. Vallianatos, Electric signal emissions from rock samples used as failure predictors, Geophysical Research Abstracts, Vol. 13, EGU2011-6469, 2011
• P. Kyriazis, I. Stavrakas, C. Anastasiadis, D. Triantis, J. Stonham, Mechanically stimulated electric signals modelled as extreme micro-current distributions, Geophysical Research Abstracts Vol. 13, EGU2011-13608, 2011.
• D. Triantis, I. Stavrakas, C. Anastasiadis, A. Kyriazopoulos, G. Hloupis, Electric current emissions from cement mortar to be used as failure predictors, Fourth International Conference on Engineering Failure Analysis, 4–7 July 2010, Churchill College, Cambridge, UK, Book of Abstracts P3.29.
• P. Kyriazis, I. Stavrakas, C. Anastasiadis, D. Triantis, J. Stonham, Memory effects on mechanically stimulated electric signal; diversification of stimuli impact on material memory and comments on the observed features, Geophysical Research Abstracts, Vol. 12, EGU2010-12994, 2010.
• I. Stavrakas, G. Hloupis, C. Anastasiadis, D. Triantis, Pressure Stimulated Currents correlated with Acoustic Emissions during the application of mechanical stress on marble samples, Geophysical Research Abstracts, Vol. 12, EGU2010-14107, 2010.
• I. Stavrakas, C. Anastasiadis, D. Triantis, F. Vallianatos, Pressure Stimulated Currents (PSC) technique: A review, Geophysical Research Abstracts, Vol. 11, 8732, 2009, European Geosciences Union (EGU), Vienna, Austria, April 2009.
• P. Kyriazis, C. Anastasiadis, D. Triantis, I. Stavrakas, F. Vallianatos, J. Stonham, Comments about the combination of electrical and mechanical stimulations on rocks to boost frequency related characteristics of current emissions during cracking, Geophysical Research Abstracts, Vol. 11, 12213, 2009, European Geosciences Union (EGU), Vienna, Austria, April 2009.
• F. Vallianatos A. Tzanis and D. Triantis, Moving Charged Dislocations and Pressure Stimulated Currents. From fracture processes to earthquake physics: A review, Geophysical Research Abstracts, Vol. 10, 05481, 2008, European Geosciences Union (EGU), Vienna, Austria, April 2008.
• D. Triantis, C. Anastasiadis, I. Stavrakas, F. Vallianatos, Electric charge measurements on marble samples subjected to stress up to fracture, Geophysical Research, Vol. 10, 06295, 2008, European Geosciences Union (EGU), Vienna, Austria, April 2008.
• F. Vallianatos, D. Triantis, Evidence of Universality of Scaling in Pressure Stimulated Currents related to Rock Fracture, Geophysical Research Abstracts, Vol. 10, 07041, 2008, European Geosciences Union (EGU), Vienna, Austria, April 2008.
• C. Anastasiadis, D. Triantis, I. Stavrakas, P. Kyriazis, Analysis of electric signals of rock beams subjected to bending, 4^th International Conference on NDT, 11-14 October 2007, Chania, Greece, Book of Abstracts pp. 38.
• A. Kyriazopoulos, I. Stavrakas, K. Ninos, C. Anastasiadis, D. Triantis, Pressure stimulated current emissions on cement paste samples under repetitive stepwise compressional stress, 4^th International Conference on NDT, 11-14 October 2007, Chania, Greece, Book of Abstracts pp. 95.
• I. Stavrakas, P. Kyriazis, A. Kyriazopoulos, C. Anastasiadis, D. Triantis, F. Vallianatos, Electric current emissions from brittle materials suffering fracture mechanical stress, IUGG XXIV General Assembly July 2-13, 2007 Perugia, Italy, Book of Abstracts, pp. JSS009-2055.
• P. Kyriazis, I. Stavrakas, C. Anastasiadis, D. Triantis, Identification of deformation stages in rocks by means of weak electric current emissions using wavelet analysis, Geophysical Research Abstracts, Vol. 9, 03333, 2007, European Geosciences Union (EGU), Vienna, Austria, April 2007.
• I. Stavrakas, P. Kyriazis, C. Anastasiadis, D. Triantis, F. Vallianatos, Electric signal relaxation under constant stress on abruptly stressed rocks and on constantly compressed rocks in the vicinity of failure, Geophysical Research Abstracts, Vol. 9, 04798, 2007, European Geosciences Union (EGU), Vienna, Austria, April 2007.
• D. Triantis, C. Anastasiadis, A. Kyriazopoulos, P. Kyriazis, I. Stavrakas, Correlation of the Pressure Stimulated Current (PSC) with the applied uniaxial stress on marble rock samples and Portland type cement–OPC, from low stress levels up to fracture, Geophysical Research Abstracts, Vol. 8, 03458, European Geosciences Union (EGU), Vienna, Austria, April 2006.
• C. Anastasiadis, D. Triantis, I. Stavrakas, F. Vallianatos, Pressure Stimulated Currents (PSC) in Amphibolite rocks from KTB drilling under abrupt stepwise uniaxial compressional stress, Geophysical Research Abstracts, Vol. 8, 03747, European Geosciences Union (EGU), Vienna, Austria, April 2006.
• I. Stavrakas, M. Clarke, G.Koulouras, G. Stavrakakis and C. Nomicos, “Study of Electromagnetic emissions in the HF band as earthquake precursors” Geophysical Research Abstracts, Vol. 8, 03458, EGU, General Assembly Vienna, Austria, 2-7 April 2006.
• C. Anastasiadis, I. Stavrakas, D. Triantis, F. Vallianatos, Pressure Stimulated Currents (PSC) in amphibolite rocks from KTB drilling, Geophysical Research Abstracts, Vol. 7, 06325, European Geosciences Union (EGU), Vienna, Austria, 24-29 April 2005.
• D. Triantis, F. Vallianatos, I. Stavrakas, C. Anastasiadis, Pressure Stimulated Currents (PSC) and rock fracture, IV International Workshop on Magnetic, Electric and Electromagnetic Methods in Seismology and Volcanology (MEEMSV 2004), La Londe Les Maures, France, September 5-9, 2004, (Book of Abstracts pp. 149-150.
• D. Triantis, I. Stavrakas, V. Saltas, Z. Agioutantis, F. Vallianatos, Pressure stimulated currents in rocks. Cross-correlation with mechanical properties, Geophysical Research Abstracts, Vol. 6, 05720, European Geosciences Union (EGU) 2004, Nice, France, April 2004.
• D Triantis, F Vallianatos, I. Stavrakas, C. Anastasiadis, Pressure Stimulated Currents in rock samples: A laboratory study of Seismoelectromagnetic effect, Geophysical Research Abstracts, Vol. 6, 06040, European Geosciences Union (EGU) 2004, Nice, France, April 2004.
• I. Stavrakas, G. Koulouras , C. Nomicos, N. Melis and G.Stavrakakis: “Algorithmic analysis of Electromagnetic variations possibly related to earthquake events”, 1st International Workshop on Earthquake Prediction, Athens, November, 2003.
• F. Vallianatos, D. Triantis, A. Tzanis, C. Anastasiadis, I. Stavrakas, Electric earthquake precursors: from laboratory results to field observations, Geophysical Research Abstracts, Vol. 5, 12610, European Geophysical Society, Nice, France, April 2003.
• I. Stavrakas, C. Anastasiadis, D. Triantis, F. Vallianatos, C. Nomicos, Thermo and Piezo stimulated currents in rock samples: Pre-seismic and co-seismic signals, Book of Abstracts, European Geophysical Society, Vol. A, 03547, Nice, France, April 2002.
• Ι. Stavrakas, D. Cavouras, D. Triantis, C. Nomicos, Neural Network Based System for Classifying Earth Signals, VII workshop on Geo-electromagnetism, Maratea, Italy, Oct. 2000, (Book of Abstracts pp.  26).
• D. Alexandrou, P. Tsiakas, I. Stavrakas, D. Cavouras, D. Triantis, C. Nomicos, Design and Installation of a prototype EM variation station and processing of EM signals, VII Workshop on Geo-electromagnetism, Maratea, Italy, Oct. 2000, (Book of Abstracts pp.  36).
• Ι. Stavrakas, D. Cavouras, D. Triantis, C. Nomicos, Earth data acquisition and distribution communication system (E.D.A.DI.CO.S), VII Workshop on Geo-electromagnetism, Maratea, Italy, Oct. 2000, (Book of Abstracts pp. 101).
• C. Nomicos, F. Vallianatos, J. Makris, D. Triantis, G. Stavrakakis, A multiplexing telemetric system for measuring electromagnetic variations associated with earthquakes in Greece, 2^nd International Workshop on Magnetic, Electric and Electromagnetic Methods in Seismology and Volcanology, Chania – Greece, September 1999, (Book of Abstracts S. 8).