Vassilis Kostakos

2021

B. Tag, J. Goncalves, S. Webber, P. Koval, V. Kostakos. 2021. "A Retrospective and a Look Forward: Lessons Learned From Researching Emotions In-the-Wild", IEEE Pervasive Computing. [Impact factor: 3.175] [Ranking: A]
[pdf] [doi] [bib]
D. Hettiachchi, L. Hayes, J. Goncalves, V. Kostakos. 2021. "Team Dynamics in Hospital Workflows: An Exploratory Study of a Smartphone Task Manager", JMIR Medical Informatics, vol. 9, no. 8, article e28245, pages. [Impact factor: 2.96]
[pdf] [doi] [bib]
K. Mangaroska, B. Vesin, V. Kostakos, P. Brusilovsky, M. Giannakos. 2021. "Architecting Analytics Across Multiple E-learning Systems to Enhance Learning Design", IEEE Transactions on Learning Technologies, vol. 14, no. 2, pp. 173-188. [Impact factor: 3.720]
[pdf] [doi] [bib] [Citations: 3]
Yunke Zhang, Fengli Xu, Tong Li, Vassilis Kostakos, Pan Hui, Yong Li. 2021. "Passive Health Monitoring Using Large Scale Mobility Data", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 5, no. 1, article 49, 23 pages. [Ranking: A*]
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A. Visuri, N. van Berkel, J. Goncalves, R. Rawassizadeh, D. Ferreira, V Kostakos. 2021. "Understanding usage style transformation during long-term smartwatch use", Personal and Ubiquitous Computing, vol. 25, pp. 535-549. [Impact factor: 3.006] [Ranking: B]
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Kshitij Sharma, Katerina Mangaroska, Niels van Berkel, Michail Giannakos, Vassilis Kostakos. 2021. "Information flow and cognition affect each other: Evidence from digital learning", International Journal of Human-Computer Studies, vol. 146, article 102549, 20 pages. [Impact factor: 3.632] [Ranking: A]
[pdf] [doi] [bib] [Citations: 4]
N. van Berkel, Simon Dennis, Michael Zyphur, Jinjing Li, Andrew Heathcote, V. Kostakos. 2021. "Modeling interaction as a complex system", Human-Computer Interaction, vol. 36, no. 4, pp. 279-305. [Impact factor: 4.750] [Ranking: A]
[pdf] [doi] [bib] [Citations: 11]
H. Shi, Y. Li, H. Cao, X. Zhou, C. Zhang, V. Kostakos. 2021. "Semantics-Aware Hidden Markov Model for Human Mobility", IEEE Transactions on Knowledge and Data Engineering, vol. 33, no. 3, pp. 1183-1194. [Impact factor: 6.977] [Ranking: A*]
[pdf] [doi] [bib] [Citations: 14]

2020

Gabriele Marini, Benjamin Tag, Jorge Goncalves, Eduardo Velloso, Raja Jurdak, Daniel Capurro, Clare McCarthy, William Shearer, Vassilis Kostakos. 2020. "Measuring Mobility and Room Occupancy in Clinical Settings: System Development and Implementation", JMIR mHealth and uHealth, vol. 8, no. 10, article e19874, 17 pages. [Impact factor: 4.773]
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S. Wijenayake, D. Hettiachchi, S. J. Hosio, V. Kostakos, J. Goncalves. 2020. "Effect of Conformity on Perceived Trustworthiness of News in Social Media", IEEE Internet Computing, pp. 1-8. [Impact factor: 2.341] [Ranking: B]
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Yitong Chen, Niels van Berkel, Chu Luo, Zhanna Sarsenbayeva, Vassilis Kostakos. 2020. "Application of miniaturized near-infrared spectroscopy in pharmaceutical identification", Smart Health, vol. 18, article 100126, 6 pages. [Impact factor: 1.4]
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Zhilong Chen, Hancheng Cao, Huangdong Wang, Fengli Xu, Vassilis Kostakos, Yong Li. 2020. "Will You Come Back / Check-in Again? Understanding Characteristics Leading to Urban Revisitation and Re-Check-In", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 4, no. 3, article 76, 27 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 5]
Kshitij Sharma, Evangelos Niforatos, Michail Giannakos, Vassilis Kostakos. 2020. "Assessing Cognitive Performance Using Physiological and Facial Features: Generalizing across Contexts", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 4, no. 3, article 95, 41 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 12]
D. Hettiachchi, N. van Berkel, V. Kostakos, J. Goncalves. 2020. "CrowdCog: A Cognitive Skill based System for Heterogeneous Task Assignment and Recommendation in Crowdsourcing", Proceedings of the ACM on Human-Computer Interaction, vol. 4, no. CSCW, article 110, 22 pages. [Ranking: A]
[pdf] [doi] [bib] [Citations: 7]
O. Amft, J. Favela, S. Intille, M. Musolesi, V. Kostakos. 2020. "Personalized Pervasive Health", IEEE Pervasive Computing, vol. 19, no. 3, pp. 11-13. [Impact factor: 3.175] [Ranking: A]
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B. Tag, T. Dingler, A. W. Vargo, V. Kostakos. 2020. "Inferring Circadian Rhythms of Cognitive Performance in Everyday Life", IEEE Pervasive Computing, vol. 19, no. 3, pp. 14-23. [Impact factor: 3.175] [Ranking: A]
[pdf] [doi] [bib] [Citations: 2]
Senuri Wijenayake, Niels Van Berkel, Vassilis Kostakos, Jorge Goncalves. 2020. "Quantifying the Effect of Social Presence on Online Social Conformity", Proceedings of the ACM on Human-Computer Interaction, vol. 4, no. CSCW, article 55, 22 pages. [Ranking: A]
[pdf] [doi] [bib] [Citations: 4]
T. Anagnostopoulos, C. Luo, J. Ramson, K. Ntalianis, V. Kostakos, C. Skourlas. 2020. "A multi-agent system for distributed smartphone sensing cycling in smart cities", Journal of Systems and Information Technology, vol. 22, no. 4, pp. 119-134. [Impact factor: 1.37] [Ranking: C]
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Chaofan Wang, Zhanna Sarsenbayeva, Xiuge Chen, Tilman Dingler, J. Goncalves, V. Kostakos. 2020. "Accurate Measurement of Handwash Quality Using Sensor Armbands: Instrument Validation Study", JMIR mHealth and uHealth, vol. 8, no. 3, article e17001, 18 pages. [Impact factor: 4.773]
[pdf] [doi] [bib] [Citations: 12]
V Kostakos, B. Knowles, P. Markopoulos, K. Yatani. 2020. "Growing Up With Pervasive Computing", IEEE Pervasive Computing, vol. 19, no. 1, pp. 8-9. [Impact factor: 3.175] [Ranking: A]
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S. Wijenayake, N. van Berkel, V. Kostakos, J. Goncalves. 2020. "Impact of contextual and personal determinants on online social conformity", Computers in Human Behavior, vol. 108, article 106302, 11 pages. [Impact factor: 6.829]
[pdf] [doi] [bib] [Citations: 15]
C. Luo, J. Goncalves, E. Velloso, V. Kostakos. 2020. "A Survey of Context Simulation for Testing Mobile Context-Aware Applications", ACM Computing Surveys, vol. 53, no. 1, article 21, 39 pages. [Impact factor: 10.282] [Ranking: A*]
[pdf] [doi] [bib] [Citations: 8]
Michail N. Giannakos, Sofia Papavlasopoulou, V. Kostakos, Ilias Pappas, Kshitij Sharma. 2020. "Fitbit for Learning: Towards capturing the learning experience using wearable sensing", International Journal of Human-Computer Studies, vol. 136, article 102384, 14 pages. [Impact factor: 3.632] [Ranking: A]
[pdf] [doi] [bib] [Citations: 16]
N. van Berkel, J. Goncalves, S. Hosio, Z. Sarsenbayeva, E. Velloso, V. Kostakos. 2020. "Overcoming Compliance Bias in Self-Report Studies: A Cross-Study Analysis", International Journal of Human-Computer Studies, vol. 134, pp. 1-12. [Impact factor: 3.632] [Ranking: A]
[pdf] [doi] [bib] [Citations: 16]

2019

W. Jiang, G. Marini, N. van Berkel, Zhanna Sarsenbayeva, Zheyu Tan, C. Luo, Xin He, Tilman Dingler, J. Goncalves, Yoshihiro Kawahara, V. Kostakos. 2019. "Probing Sucrose Contents in Everyday Drinks Using Miniaturized Near-Infrared Spectroscopy Scanners", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 3, no. 4, article 136, 25 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 6]
N. van Berkel, J. Goncalves, D. Hettiachchi, S. Wijenayake, Ryan M. Kelly, V. Kostakos. 2019. "Crowdsourcing Perceptions of Fair Predictors for Machine Learning: A Recidivism Case Study", Proceedings of the ACM on Human-Computer Interaction, vol. 3, no. CSCW, article 28, 21 pages. [Ranking: A]
[pdf] [doi] [bib] [Citations: 24]
C. Luo, Zewen Xu, Ruining Dong, J. Goncalves, E. Velloso, V. Kostakos. 2019. "CamTest: A laboratory testbed for camera-based mobile sensing applications", Pervasive and Mobile Computing, vol. 56, pp. 106-131. [Impact factor: 3.453] [Ranking: B]
[pdf] [doi] [bib] [Citations: 1]
S. Wijenayake, N. van Berkel, V. Kostakos, J. Goncalves. 2019. "Measuring the Effects of Gender on Online Social Conformity", Proceedings of the ACM on Human-Computer Interaction, vol. 3, no. CSCW, article 145, 24 pages. [Ranking: A]
[pdf] [doi] [bib] [Citations: 10]
Z. Sarsenbayeva, N. van Berkel, D. Hettiachchi, W. Jiang, T. Dingler, E. Velloso, V Kostakos, J. Goncalves. 2019. "Measuring the Effects of Stress on Mobile Interaction", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 3, no. 1, article 24, 18 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 15]
A. Visuri, N. van Berkel, Tadashi Okoshi, J. Goncalves, V Kostakos. 2019. "Understanding smartphone notifications' user interactions and content importance", International Journal of Human-Computer Studies, vol. 128, pp. 72-85. [Impact factor: 3.632] [Ranking: A]
[pdf] [doi] [bib] [Citations: 20]
Michail Giannakos, Kshitij Sharma, Ilias O. Pappas, V Kostakos, E. Velloso. 2019. "Multimodal data as a means to understand the learning experience", International Journal of Information Management, vol. 48, pp. 108-119. [Impact factor: 14.098]
[pdf] [doi] [bib] [Citations: 65]
C. Luo, A. Visuri, S. Klakegg, N. van Berkel, Z. Sarsenbayeva, Antti Möttönen, J. Goncalves, T. Anagnostopoulos, D. Ferreira, H. Flores, E. Velloso, V Kostakos. 2019. "Energy-efficient prediction of smartphone unlocking", Personal and Ubiquitous Computing, vol. 23, no. 1, pp. 159-177. [Impact factor: 3.006] [Ranking: B]
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N. van Berkel, J. Goncalves, L. Lovén, D. Ferreira, S. Hosio, V. Kostakos. 2019. "Effect Of Experience Sampling Schedules On Response Rate And Recall Accuracy Of Objective Self-Reports", International Journal of Human-Computer Studies, vol. 125, pp. 118-128. [Impact factor: 3.632] [Ranking: A]
[pdf] [doi] [bib] [Citations: 38]
M. Bordallo Lopez, E. Hadid, E. Boutellaa, J. Goncalves, V. Kostakos, S. Hosio. 2019. "Kinship Verification from Facial Images and Videos: Human vs. Machine", Machine Vision and Applications, vol. 29, no. 5, pp. 873-890. [Impact factor: 2.012] [Ranking: B]
[pdf] [doi] [bib] [Citations: 17]

2018

S. Hosio, J. Goncalves, N. van Berkel, S. Klakegg, V. Kostakos. 2018. "Facilitating Collocated Crowdsourcing on Situated Displays", Human-Computer Interaction, vol. 33, no. 5-6, pp. 335-371. [Impact factor: 4.750] [Ranking: A]
[pdf] [doi] [bib] [Citations: 12]
H. Flores, P. Hui, P. Nurmi, E. Lagerspetz, S. Tarkoma, J. Manner, V. Kostakos, Y. Li, X. Su. 2018. "Evidence-aware Mobile Computational Offloading", IEEE Transactions on Mobile Computing, vol. 17, no. 8, pp. 1834-1850. [Impact factor: 5.577] [Ranking: A*]
[pdf] [doi] [bib] [Citations: 34]
H. Cao, Z. Chen, F. Xu, Y. Li, V. Kostakos. 2018. "Revisitation in Urban Space vs. Online: A Comparison across POIs, Websites, and Smartphone Apps", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 2, no. 4, article 156, 25 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 22]
H. Cao, J. Feng, Y. Li, V. Kostakos. 2018. "Uniqueness in the City: Urban Morphology and Location Privacy", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 2, no. 2, pp. 1-20. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 12]
S. Klakegg, J. Goncalves, A. Visuri, C. Luo, A. Popov, N. van Berkel, Z. Sarsenbayeva, V. Kostakos, S. Hosio, S. Savage, A. Bykov, I. Meglinski, D. Ferreira. 2018. "Assisted Medication Management in Elderly Care Using Miniaturised Near-Infrared Spectroscopy", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 2, no. 2, article 69, 24 pages. [Ranking: A*. Distinguished Paper Award]
[pdf] [doi] [bib] [Citations: 14]
Z. Sarsenbayeva, N. van Berkel, E. Velloso, V. Kostakos, J. Goncalves. 2018. "Effect of Distinct Ambient Noise Types on Mobile Interaction", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 2, no. 2, article 82, 23 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 18]
D. Yu, Y. Li, F. Xu, P. Zhang, V. Kostakos. 2018. "Smartphone App Usage Prediction Using Points of Interest", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 1, no. 4, article 174, 21 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 47]
Y. Zhang, T. Gu, C. Luo, V. Kostakos, A. Seneviratne. 2018. "FinDroidHR: Smartwatch Gesture Input with Optical Heartrate Monitor", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 2, no. 1, article 56, 42 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 14]

2017

N. van Berkel, D. Ferreira, V. Kostakos. 2017. "The Experience Sampling Method on Mobile Devices", ACM Computing Surveys, vol. 50, no. 6, article 93, 40 pages. [Impact factor: 10.282] [Ranking: A*]
[pdf] [doi] [bib] [Citations: 228]
J. Goncalves, S. Hosio, V. Kostakos. 2017. "Eliciting Structured Knowledge from Situated Crowd Markets", ACM Transactions on Internet Technology, vol. 17, no. 2, article 14, 21 pages. [Impact factor: 3.135] [Ranking: B]
[pdf] [doi] [bib] [Citations: 7]
A. G. Berenguer, J. Goncalves, S. Hosio, D. Ferreira, T. Anagnostopoulos, V. Kostakos. 2017. "Are Smartphones Ubiquitous? An In-depth Survey of Smartphone Adoption by Seniors", IEEE Consumer Electronics Magazine, vol. 6, no. 1, pp. 104-110. [Impact factor: 3.789]
[pdf] [doi] [bib] [Citations: 114]
Y. Liu, J. Mezei, V. Kostakos, H. Li. 2017. "Applying Configurational Analysis to IS Behavioural Research: a Methodological Alternative for Modelling Combinatorial Complexities", Information Systems Journal, vol. 27, no. 1, pp. 59-89. [Impact factor: 7.453] [Ranking: A*]
[pdf] [doi] [bib] [Citations: 99]
A. Komninos, J. Besharat, D. Ferreira, J. Garofalakis, V. Kostakos. 2017. "Where's everybody? Comparing the use of heatmaps to uncover cities' tacit social context in smartphones and pervasive displays", Information Technology & Tourism, vol. 17, no. 4, pp. 399-427. [Impact factor: 2.449]
[pdf] [doi] [bib] [Citations: 6]
J. Goncalves, Z. Sarsenbayeva, N. van Berkel, S. Hosio, S. Rissanen, H. Rintamaki, V. Kostakos. 2017. "Tapping Task Performance on Smartphones in Cold Temperature", Interacting with Computers, vol. 29, no. 3, pp. 355-367. [Impact factor: 1.174] [Ranking: B]
[pdf] [doi] [bib] [Citations: 20]
Y. Liu, D. Ferreira, J. Goncalves, S. Hosio, P. Pandab, V. Kostakos. 2017. "Donating Context Data to Science: The Effects of Social Signals and Perceptions on Action-Taking", Interacting with Computers, vol. 29, no. 2, pp. 132-146. [Impact factor: 1.174] [Ranking: B]
[pdf] [doi] [bib] [Citations: 8]
V. Kostakos, M. Musolesi. 2017. "Avoiding pitfalls when using machine learning in HCI studies", Interactions, vol. 24, no. 4, pp. 34-37.
[pdf] [doi] [bib] [Citations: 9]
T. Sasao, S. Konomi, V. Kostakos, K. Kuribayashi, J. Goncalves. 2017. "Community Reminder: Participatory Contextual Reminder Environments for Local Communities", International Journal of Human-Computer Studies, vol. 102, pp. 41-53. [Impact factor: 3.632] [Ranking: A]
[pdf] [doi] [bib] [Citations: 14]
T. Anagnostopoulos, J. Garcia, J. Goncalves, D. Ferreira, S. Hosio, V. Kostakos. 2017. "Environmental exposure assessment using indoor/outdoor detection on smartphones", Personal and Ubiquitous Computing, vol. 21, no. 4, pp. 761-773. [Impact factor: 3.006] [Ranking: B]
[pdf] [doi] [bib] [Citations: 11]
H. Flores, R. Sharma, D. Ferreira, V. Kostakos, S. Tarkoma, P. Hui, Y. Li. 2017. "Social-aware Hybrid Mobile Offloading", Pervasive and Mobile Computing, vol. 36, pp. 25-43. [Impact factor: 3.453] [Ranking: B]
[pdf] [doi] [bib] [Citations: 46]
G. D. Abowd, V. Kostakos, S. Santini, J. Scott, K. Yatani. 2017. "Editorial", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 1, no. 1, pp. 1.
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J. Goncalves, S. Hosio, N. van Berkel, F. Ahmed, V. Kostakos. 2017. "CrowdPickUp: Crowdsourcing Task Pickup in the Wild", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 1, no. 3, article 51, 22 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 18]
C. Luo, M. Kuutila, S. Klakegg, D. Ferreira, J. Goncalves, M. Mantyla, V. Kostakos. 2017. "TestAWARE: A Laboratory-Oriented Testing Tool for Mobile Context-Aware Applications", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 1, no. 3, article 80, 29 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 12]
Z. Sarsenbayeva, N. van Berkel, A. Visuri, S. Rissanen, H. Rintamaki, V. Kostakos, J. Goncalves. 2017. "Sensing Cold-Induced Situational Impairments in Mobile Interaction", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 1, no. 3, article 98, 10 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 15]
N. van Berkel, J. Goncalves, S. Hosio, V. Kostakos. 2017. "Gamification of Mobile Experience Sampling Improves Data Quality and Quantity", Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), vol. 1, no. 3, article 107, 21 pages. [Ranking: A*]
[pdf] [doi] [bib] [Citations: 56]

2016

M. Pouke, J. Goncalves, D. Ferreira, V. Kostakos. 2016. "Practical simulation for virtual crowds using points of interest", Computers, Environment and Urban Systems, vol. 57, pp. 118-129. [Impact factor: 5.324]
[pdf] [doi] [bib] [Citations: 17]
Y. Liu, H. Li, J. Goncalves, V. Kostakos, B. Xiao. 2016. "Fragmentation or Cohesion? Visualizing the Process and Consequences of Information System Diversity, 1993-2012", European Journal of Information Systems, vol. 25, no. 6, pp. 509-533. [Impact factor: 4.344] [Ranking: A*]
[pdf] [doi] [bib] [Citations: 20]
S. Hosio, H. Kukka, J. Goncalves, V. Kostakos, T. Ojala. 2016. "Toward Meaningful Engagement with Pervasive Displays", IEEE Pervasive Computing, vol. 15, no. 3, pp. 24-31. [Impact factor: 3.175] [Ranking: A]
[pdf] [doi] [bib] [Citations: 18]
Y. Liu, H. Li, X. Xu, V. Kostakos, J. Heikkila. 2016. "Modeling Consumer Switching Behavior in Social Network Games by Exploring Consumer Cognitive Dissonance and Change Experience", Industrial Management & Data Systems, vol. 116, no. 4, pp. 801-820. [Impact factor: 5.577]
[pdf] [doi] [bib] [Citations: 40]
J. Goncalves, S. Hosio, Y. Liu, V. Kostakos. 2016. "Worker performance in a situated crowdsourcing market", Interacting with Computers, vol. 28, no. 5, pp. 612-624. [Impact factor: 1.174] [Ranking: B]
[pdf] [doi] [bib] [Citations: 4]
T. Anagnostopoulos, D. Ferreira, A. Samodelkin, M. Ahmed, V. Kostakos. 2016. "Cyclist-aware traffic lights through distributed smartphone sensing", Pervasive and Mobile Computing, vol. 31, pp. 22-36. [Impact factor: 3.453] [Ranking: B]
[pdf] [doi] [bib] [Citations: 21]

2015

J. Goncalves, S. Hosio, J. Rogstadius, E. Karapanos, V. Kostakos. 2015. "Motivating Participation and Improving Quality of Contribution in Ubiquitous Crowdsourcing", Computer Networks, vol. 90, pp. 34-48. [Impact factor: 3.111] [Ranking: A]
[pdf] [doi] [bib] [Citations: 61]
D. Ferreira, V. Kostakos, A. K. Dey. 2015. "AWARE: mobile context instrumentation framework", Frontiers in ICT, vol. 2, no. 6, pp. 1-9.
[pdf] [doi] [bib] [Citations: 278]
V. Kostakos, D. Ferreira. 2015. "The Rise Of Ubiquitous Instrumentation", Frontiers in ICT, vol. 2, no. 3, pp. 1-2.
[pdf] [doi] [bib] [Citations: 8]
V. Kostakos. 2015. "The big hole in HCI research", Interactions, vol. 22, no. 2, pp. 48-51.
[pdf] [doi] [bib] [Citations: 40]
M. Perttunen, V. Kostakos, J. Riekki, T. Ojala. 2015. "Urban traffic analysis through multi-modal sensing", Personal and Ubiquitous Computing, vol. 19, no. 3, pp. 709-721. [Impact factor: 3.006] [Ranking: B]
[pdf] [doi] [bib] [Citations: 25]
Y. Liu, V. Kostakos, H. Li. 2015. "Climatic Effects on Planning Behavior", PLoS ONE, vol. 10, no. 5, article e0126205, 9 pages. [Impact factor: 3.240]
[pdf] [doi] [bib] [Citations: 8]
J. Goncalves, Y. Liu, B. Xiao, S. Chaundhry, S. Hosio, V. Kostakos. 2015. "Increasing the Reach of Government Social Media: A Case Study in Modeling Government-Citizen Interaction on Facebook", Policy & Internet, vol. 7, no. 1, pp. 80-102. [Impact factor: 2.763]
[pdf] [doi] [bib] [Citations: 27]
S. Hosio, J. Goncalves, V. Kostakos, J. Riekki. 2015. "Crowdsourcing Public Opinion using Urban Pervasive Technologies: Lessons from Real-Life Experiments in Oulu", Policy & Internet, vol. 7, no. 2, pp. 203-222. [Impact factor: 2.763]
[pdf] [doi] [bib] [Citations: 62]

2014

Y. Liu, J. Venkatanathan, J. Goncalves, E. Karapanos, V. Kostakos. 2014. "Modeling what friendship patterns on Facebook reveal about personality and social capital", ACM Transactions on Computer-Human Interaction, vol. 21, no. 3, article 17, 20 pages. [Impact factor: 2.351] [Ranking: A*]
[pdf] [doi] [bib] [Citations: 33]
M. Perttunen, V. Kostakos, J. Riekki, T. Ojala. 2014. "Spatio-temporal patterns link your digital identities", Computers, Environment and Urban Systems, vol. 47, pp. 58-67. [Impact factor: 5.324]
[pdf] [doi] [bib] [Citations: 9]
J. Goncalves, S. Hosio, Y. Liu, V. Kostakos. 2014. "Eliciting Situated Feedback: A Comparison of Paper, Web Forms and Public Displays", Displays, vol. 35, no. 1, pp. 27-37. [Impact factor: 2.167] [Ranking: B]
[pdf] [doi] [bib] [Citations: 31]
Y. Liu, H. Li, V. Kostakos, J. Goncalves, S. Hosio, F. Hu. 2014. "An Empirical Investigation of Mobile Government Adoption in Rural China: A Case Study in Zhejiang Province", Government Information Quarterly, vol. 31, no. 3, pp. 432-442. [Impact factor: 7.279] [Ranking: B]
[pdf] [doi] [bib] [Citations: 161]
J. Goncalves, V. Kostakos, E. Karapanos, M. Barreto, T. Camacho, A. Tomasic, J. Zimmerman. 2014. "Citizen Motivation on the Go: The Role of Psychological Empowerment", Interacting with Computers, vol. 26, no. 3, pp. 196-207. [Impact factor: 1.174] [Ranking: B]
[pdf] [doi] [bib] [Citations: 46]
J. Venkatanathan, V. Kostakos, E. Karapanos, J. Goncalves. 2014. "Online Disclosure of Personally Identifiable Information with Strangers: Effects of Public and Private Sharing", Interacting with Computers, vol. 26, no. 6, pp. 614-626. [Impact factor: 1.174] [Ranking: B]
[pdf] [doi] [bib] [Citations: 14]
C. Katsanos, N. Tselios, J. Goncalves, T. Juntunen, V. Kostakos. 2014. "Multipurpose Public Displays: Can Automated Grouping of Applications and Services Enhance User Experience?", International Journal of Human-Computer Interaction, vol. 30, no. 3, pp. 237-249. [Impact factor: 3.353] [Ranking: B]
[pdf] [doi] [bib] [Citations: 6]
H. Kukka, A. Luusua, J. Ylipulli, T. Suopajarvi, V. Kostakos, T. Ojala. 2014. "From cyberpunk to calm urban computing: Exploring the role of technology in the future cityscape", Technological Forecasting & Social Change, vol. 84, pp. 29-42. [Impact factor: 5.846]
[pdf] [doi] [bib] [Citations: 45]
J. Ylipulli, T. Suopajarvi, T. Ojala, V. Kostakos, H. Kukka. 2014. "Municipal WiFi and interactive displays: Appropriation of new technologies in public urban spaces", Technological Forecasting & Social Change, vol. 89, pp. 145-160. [Impact factor: 5.846]
[pdf] [doi] [bib] [Citations: 78]

2013

J. Rogstadius, C. Teixeira, M. Vukovic, V. Kostakos, E. Karapanos, J. Laredo. 2013. "CrisisTracker: Crowdsourced Social Media Curation for Disaster Awareness", IBM Journal of Research and Development, vol. 57, no. 5, article 4, 13 pages. [Impact factor: 1.889] [Ranking: B]
[pdf] [doi] [bib] [Citations: 216]
V. Kostakos, H. Kukka, J. Goncalves, N. Tselios, T. Ojala. 2013. "Multipurpose public displays: How shortcut menus affect usage", IEEE Computer Graphics and Applications, vol. 33, no. 2, pp. 50-57. [Impact factor: 2.088] [Ranking: B]
[pdf] [doi] [bib] [Citations: 27]
V. Kostakos, T. Ojala, T. Juntunen. 2013. "Traffic in the Smart City: Exploring City-Wide Sensing for Traffic Control Center Augmentation", IEEE Internet Computing, vol. 17, no. 6, pp. 22-29. [Impact factor: 2.341] [Ranking: B]
[pdf] [doi] [bib] [Citations: 79]
V. Kostakos, T. Ojala. 2013. "Public Displays Invade Urban Spaces", IEEE Pervasive Computing, vol. 12, no. 1, pp. 8-13. [Impact factor: 3.175] [Ranking: A]
[pdf] [doi] [bib] [Citations: 70]
V. Kostakos, M. Musolesi. 2013. "Introduction to the special issue on social networks and ubiquitous interactions", International Journal of Human-Computer Studies, vol. 71, no. 9, pp. 859-861. [Impact factor: 3.632] [Ranking: A]
[pdf] [doi] [bib] [Citations: 1]
V. Kostakos, T. Camacho, C. Mantero. 2013. "Towards proximity-based passenger sensing on public transport buses", Personal and Ubiquitous Computing, vol. 17, no. 8, pp. 1807-1816. [Impact factor: 3.006] [Ranking: B]
[pdf] [doi] [bib] [Citations: 31]
H. Kukka, V. Kostakos, T. Ojala, J. Ylipulli, T. Suopajarvi, M. Jurmu, S. Hosio. 2013. "This is not classified: everyday information seeking and encountering in smart urban spaces", Personal and Ubiquitous Computing, vol. 17, no. 1, pp. 15-27. [Impact factor: 3.006] [Ranking: B]
[pdf] [doi] [bib] [Citations: 56]
V. Kostakos, T. Juntunen, J. Goncalves, S. Hosio, T. Ojala. 2013. "Where Am I? Location Archetype Keyword Extraction from Urban Mobility Patterns", PLoS ONE, vol. 8, no. 5, article e63980, 10 pages. [Impact factor: 3.240]
[pdf] [doi] [bib] [Citations: 15]

2012

V. Kostakos. 2012. "Training users vs. training soldiers: experiences from the battlefield", Communications of the ACM, vol. 55, no. 3, pp. 33-35. [Impact factor: 4.654]
[pdf] [doi] [bib] [Citations: 1]
T. Ojala, V. Kostakos, H. Kukka, T. Heikkinen, T. Linden, M. Jurmu, S. Hosio, F. Kruger, D. Zanni. 2012. "Multipurpose Interactive Public Displays in the Wild: Three Years Later", Computer, vol. 45, no. 5, pp. 42-49. [Impact factor: 2.683] [Ranking: B]
[pdf] [doi] [bib] [Citations: 220]
O. Lyra, E. Karapanos, V. Kostakos. 2012. "Measuring social inclusion in primary schools", IEEE Pervasive Computing, vol. 11, no. 3, pp. 43-45. [Impact factor: 3.175] [Ranking: A]
[pdf] [doi] [bib]
D. Ferreira, V. Kostakos, A. K. Dey. 2012. "Lessons Learned from Large-Scale User Studies: Using Android Market as a Source of Data", International Journal of Mobile Human Computer Interaction, vol. 4, no. 3, pp. 28-43. [Impact factor: 1.131]
[pdf] [doi] [bib] [Citations: 47]

2011

V. Kostakos. 2011. "The challenges and opportunities of designing pervasive systems for deep-space colonies", Personal and Ubiquitous Computing, vol. 15, no. 5, pp. 479-486. [Impact factor: 3.006] [Ranking: B]
[pdf] [doi] [bib] [Citations: 3]

2010

V. Kostakos, E. O'Neill, A. Penn, G. Roussos, D. Papadongonas. 2010. "Brief encounters: Sensing, modeling and visualizing urban mobility and copresence networks", ACM Transactions on Computer-Human Interaction, vol. 17, no. 1, article 2, 38 pages. [Impact factor: 2.351] [Ranking: A*]
[pdf] [doi] [bib] [Citations: 89]
V. Kostakos, P. Kostakos. 2010. "Inferring social networks from physical interactions: a feasibility study", International Journal of Pervasive Computing and Communications, vol. 6, no. 4, pp. 423-431. [Ranking: C]
[pdf] [doi] [bib] [Citations: 4]

2009

V. Kostakos, T. Nicolai, E. Yoneki, E. O'Neill, H. Kenn, J. Crowcroft. 2009. "Understanding and measuring the urban pervasive infrastructure", Personal and Ubiquitous Computing, vol. 13, no. 5, pp. 355-364. [Impact factor: 3.006] [Ranking: B]
[pdf] [doi] [bib] [Citations: 61]
G. Roussos, V. Kostakos. 2009. "RFID in Pervasive Computing: State-of-the-art and Outlook", Pervasive and Mobile Computing, vol. 5, no. 1, pp. 110-131. [Impact factor: 3.453] [Ranking: B]
[pdf] [doi] [bib] [Citations: 172]
V. Kostakos. 2009. "Temporal graphs", Physica A: Statistical Mechanics and its Applications, vol. 388, no. 6, pp. 1007-1023. [Impact factor: 1.295]
[pdf] [doi] [bib] [Citations: 338]

2007

V. Kostakos, P. Kostakos. 2007. "Social network analysis: Real world methodological challenges", ESRC Standing Group on Organised Crime Newsletter, vol. 6, no. 1, pp. 7-9.
[pdf] [bib]

2006

V. Kostakos, E. O'Neill, A. Penn. 2006. "Designing urban pervasive systems", Computer, vol. 39, no. 9, pp. 52-59. [Impact factor: 2.683] [Ranking: B]
[pdf] [doi] [bib] [Citations: 66]
V. Kostakos, P. Kostakos. 2006. "Criminal group behaviour and operational environments", ESRC Standing Group on Organised Crime Newsletter, vol. 5, no. 2, pp. 6-7.
[pdf] [bib]
E. O'Neill, M. Kaenampornpan, V. Kostakos, A. Warr, D. Woodgate. 2006. "Can we do without GUIs? Gesture and speech interaction with a patient information system", Personal and Ubiquitous Computing, vol. 10, no. 5, pp. 269-283. [Impact factor: 3.006] [Ranking: B]
[pdf] [doi] [bib] [Citations: 39]

2005

V. Kostakos, E. O'Neill, L. Little, E. Sillence. 2005. "The social implications of emerging technologies", Interacting with Computers, vol. 17, no. 5, pp. 475-483. [Impact factor: 1.174] [Ranking: B]
[pdf] [doi] [bib] [Citations: 37]