Publications

For an up-to-date list of my publications, see my Google Scholar profile.

Journal Papers


Sequential Datum-wise Feature Acquisition and Classifier Selection
S. P. Ekanayake, D.-S. Zois, C. Chelmis
IEEE Transactions on Artificial Intelligence, Nov. 2023. [pdf]

Datum-Wise Inference in Structured Environments
S. P. Ekanayake, D.-S. Zois
IEEE Transactions on Artificial Intelligence, May 2023. [pdf]

Community-engaged technology development for bridging service users and service providers: lessons from the field
W. Lee, K. Gross, C. Chelmis, D.-S. Zois
Journal of Community Practice, July 2022. [pdf]

Dynamic Instance-Wise Classification in Correlated Feature Spaces
Y. Liyanage, D.-S. Zois, C. Chelmis
IEEE Transactions on Artificial Intelligence, Sept. 2021. [pdf]

A Voting-Enhanced Dynamic-Window-Length Classifier for SSVEP-based BCIs
H. Habibzadeh, J. S. Norton, T. M. Vaughan, T. Soyata, D.-S. Zois
IEEE Transactions on Neural Systems and Rehabilitation Engineering, Aug. 2021. [pdf]

Dynamic, Incremental, and Continuous Detection of Cyberbullying in Online Social Media
C. Chelmis, D.-S. Zois
ACM Transactions on the Web, May 2021. [pdf]

Dynamic Instance-Wise Joint Feature Selection and Classification
Y. Liyanage, D.-S. Zois, C. Chelmis
IEEE Transactions on Artificial Intelligence, April 2021. [pdf]

Near Real-Time Freeway Accident Detection
Y. Liyanage, D.-S. Zois, C. Chelmis
IEEE Transactions on Intelligent Transportation Systems, Oct. 2020. [pdf]

Machine Intelligence in Healthcare and Medical Cyber Physical Systems: A Survey
O. R. Shishvan, D.-S. Zois, T. Soyata
IEEE Access, Aug. 2018. [pdf]

Active State Tracking with Sensing Costs: Analysis of Two-States and Methods for n-States
D.-S. Zois, U. Mitra
IEEE Transactions on Signal Processing, Feb. 2017. [pdf]

Active Classification for POMDPs: a Kalman-like State Estimator
D.-S. Zois, M. Levorato, U. Mitra
IEEE Transactions on Signal Processing, Oct. 2014. [pdf]

Energy-Efficient, Heterogeneous Sensor Selection for Physical Activity Detection in Wireless Body Area Networks
D.-S. Zois, M. Levorato, U. Mitra
IEEE Transactions on Signal Processing, Jan. 2013. [pdf]

KNOW-ME: a Case Study in Wireless Body Area Sensor Network Design
U. Mitra, A. Emken, S. Lee, M. Li, V. Rozgic, G. Thatte, H. Vathsangam, D.-S. Zois, M. Annavaram, S. Narayanan, M. Levorato, D. Spruijt-Metz, G. S. Sukhatme
IEEE Communications Magazine, May 2012. [pdf]

Conference & Workshop Papers


Interpretability in the Context of Sequential Cost-Sensitive Feature Acquisition
Y. Liyanage, D.-S. Zois
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2023. [pdf]

Bayesian Network Modeling and Prediction of Transitions Within the Homelessness System
K. S. Rahman, D.-S. Zois, C. Chelmis
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2023. [pdf]

Sequential Datum-Wise Joint Feature Selection and Classification in the Presence of External Classifier
S. P. Ekanayake, D.-S. Zois, C. Chelmis
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2023. [pdf]

Sequential Bayesian Network Structure Learning
S. P. Ekanayake, D.-S. Zois
Asilomar Conference on Signals, Systems, and Computers (ACSSC) 2022.

Improving BCI-based Color Vision Assessment Using Gaussian Process Regression
H. Habibzadeh, Kevin J. Long, Ally E. Atkins, D.-S. Zois, J. S. Norton
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2022. [pdf]

Dynamic Feature Selection for Classification in Structured Environments
S. P. Ekanayake, Y. Liyanage, D.-S. Zois
Asilomar Conference on Signals, Systems, and Computers (ACSSC) 2021. [pdf]

metaID: A Metamer Identification Algorithm for Improving BCI-based Color Vision Assessment
H. Habibzadeh, D.-S. Zois, J. S. Norton
Asilomar Conference on Signals, Systems, and Computers (ACSSC) 2021. [pdf]

A Classifer for Improving Cause and Effect in SSVEP-based BCIs for Individuals with Complex Communication Disorders
H. Habibzadeh, O. Zhou, J. S. Norton, T. M. Vaughan, D.-S. Zois
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2021. [pdf]

Optimum Feature Ordering for Dynamic Instance-wise Joint Feature Selection and Classification
Y. Liyanage, D.-S. Zois
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2021. [pdf]

Knowing When to Stop: Joint Heterogeneous Feature Selection and Classification
I. Nazar, D.-S. Zois, C. Chelmis
Asilomar Conference on Signals, Systems, and Computers (ACSSC) 2020. [pdf]

Sequential Heterogeneous Feature Selection for Multi-class Classification: Application in Government 2.0
I. Nazar, Y. Liyanage, D.-S. Zois, C. Chelmis
IEEE International Workshop on Signal Processing for Machine Learning (MLSP) 2020. [pdf]

On-the-fly Feature Selection and Classification with Application to Civic Engagement Platforms
Y. Liyanage, D.-S. Zois, C. Chelmis
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2020. [pdf]

Automated Optimal Online Civil Issue Classification using Multiple Feature Sets
I. Nazar, Y. Liyanage, D.-S. Zois, C. Chelmis
Asilomar Conference on Signals, Systems, and Computers (ACSSC) 2019. [pdf]

Understanding Online Civic Engagement: A Multi-Neighborhood Study of SeeClickFix
C. Yong, C. Chelmis, W. Lee, D.-S. Zois
IEEE/ACM International Conference on Advances in Social Network Analysis and Mining (ASONAM) 2019. [pdf]

A Hierarchical Approach for Timely Cyberbullying Detection
I. Nazar, D.-S. Zois, M. Yao
IEEE Data Science Workshop (DSW) 2019. [pdf]

Automating the Classification of Urban Issue Reports: An Optimal Stopping Approach
Y. Liyanage, D.-S. Zois, C. Chelmis, M. Yao
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2019. [pdf]

Robust Freeway Accident Detection: A Two-Stage Approach
Y. Liyanage, D.-S. Zois, C. Chelmis
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2019. [pdf]

Towards Robust Detection of Cyberbullying in Social Media
M. Yao, D.-S. Zois, C. Chelmis
Third Workshop on Women in Web Data Science (WINDS) 2019. [pdf]

Cyberbullying Ends Here: Towards Robust Detection of Cyberbullying in Social Media
M. Yao, C. Chelmis, D.-S. Zois
The Web Conference (WebConf) 2019. [pdf]

A Hierarchical Framework for Timely Freeway Accident Detection and Localization
Y. Liyanage, C. Chelmis, D.-S. Zois
IEEE International Conference on Big Data (BigData) 2018. [pdf]

Quickest Freeway Accident Detection under Unknown Post-Accident Conditions
Y. Liyanage, D.-S. Zois, C. Chelmis
IEEE Global Conference on Signal and Information Processing (GlobalSIP) 2018. [pdf]

What matters the most? Optimal Quick Classification of Urban Issue Reports by Importance
Y. Liyanage, M. Yao, C. Yong, D.-S. Zois, C. Chelmis
IEEE Global Conference on Signal and Information Processing (GlobalSIP) 2018. [pdf]

Optimal Sequential Detection of Freeway Accidents
Y. Liyanage, D.-S. Zois, C. Chelmis
Asilomar Conference on Signals, Systems, and Computers (ACSSC) 2018. [pdf]

Improving Monitoring of Participatory Civil Issue Requests through Optimal Online Classification
D.-S. Zois, C. Yong, C. Chelmis, A. Kapodistria, W. Lee
Asilomar Conference on Signals, Systems, and Computers (ACSSC) 2018. [pdf]

Cyberbullying Detection on Instagram with Optimal Online Feature Selection
M. Yao, C. Chelmis, D.-S. Zois
IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM) 2018. [pdf]

Optimal Online Cyberbullying Detection
D.-S. Zois, A. Kapodistria, M. Yao, C. Chelmis
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2018. [pdf]

Mining Patterns of Cyberbullying on Twitter
C. Chelmis, D.-S. Zois, M. Yao
IEEE ICDM Workshop on Data Mining in Networks (DaMNET) 2017. [pdf]

Smallholder Agriculture in the Information Age: Limits and Opportunities
M. Zheleva, P. Bogdanov, D.-S. Zois, W. Xiong, R. Chandra, M. Kimball
ACM Workshop on Computing within Limits (LIMITS) 2017. [pdf]

Sequential Decision-Making in Healthcare IoT: Real-Time Health Monitoring, Treatments and Interventions
D.-S. Zois
IEEE World Forum on Internet of Things (WF-IoT) 2016. [pdf]

Regret minimization algorithms for single–controller zero–sum stochastic games
P. Guan, M. Raginsky, R. Willett, D.-S. Zois
IEEE Conference on Decision and Control (CDC) 2016. [pdf]

A POMDP approach for active collision detection via networked sensors
D.-S. Zois, U. Demiryurek, U. Mitra
Asilomar Conference on Signals, Systems, and Computers (ACSSC) 2016. [pdf]

Active Object Detection on Graphs via Locally Informative Trees
D.-S. Zois, M. Raginsky
IEEE International Workshop on Signal Processing for Machine Learning (MLSP) 2016. [pdf]

Controlled Sensing: A Myopic Fisher Information Sensor Selection Strategy
D.-S. Zois, U. Mitra
IEEE Globecom 2014. [pdf]

A Weiss-Weinstein Lower Bound Based Sensing Strategy for Active State Tracking
D.-S. Zois, U. Mitra
IEEE International Symposium on Information Theory (ISIT) 2014. [pdf]

On the Properties of Nonlinear POMDPs for Active State Tracking
D.-S. Zois, U. Mitra
IEEE Global Conference on Signal and Information Processing (GlobalSIP) 2013. [pdf]

A Unified Framework for Energy Efficient Physical Activity Tracking
D.-S. Zois, U. Mitra
Asilomar Conference on Signals, Systems, and Computers (ACSSC) 2013. [pdf]

Non-linear smoothers for discrete-time, finite-state Markov chains
D.-S. Zois, M. Levorato, U. Mitra
IEEE International Symposium on Information Theory (ISIT) 2013. [pdf]

Kalman-like state tracking and control in POMDPs with applications to Body Sensing Networks
D.-S. Zois, M. Levorato, U. Mitra
IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2013. [pdf]

Heterogeneous Time-Resource Allocation in Wireless Body Area Networks for Green, Maximum Likelihood Activity Detection
D.-S. Zois, M. Levorato, U. Mitra
IEEE International Conference on Communications (ICC) 2012. [pdf]

A POMDP Framework for Heterogeneous Sensor Selection in Wireless Body Area Networks
D.-S. Zois, M. Levorato, U. Mitra
International Conference on Computer Communications Mini-conference (INFOCOM) 2012. [pdf]

Tutorials


Characterization, Detection, and Mitigation of Cyberbullying
C. Chelmis, D.-S. Zois
ACM Web Science Conference (WebSci) 2021. [link]

Characterization, Detection, and Mitigation of Cyberbullying
C. Chelmis, D.-S. Zois
International Conference on Web and Social Media (ICWSM) 2018. [link]

Popularity on the Web: From Estimation to Prediction
C. Chelmis, D.-S. Zois
IEEE International Conference on Big Data (Big Data) 2017. [link]

Chapters in Books


Incorporating Artificial Intelligence into Medical Cyber-Physical Systems: A Survey
O. R. Shishvan, D.-S. Zois, T. Soyata
Springer Connected Health in Smart Cities 2019. [link]

Order-of-Magnitude Popularity Estimation of Pirated Content
C. Chelmis, D.-S. Zois
Springer Lecture Notes in Social Networks: Machine Learning Techniques for Online Social Networks 2018. [link]

Energy-Efficient Physical Activity Detection in Wireless Body Area Networks
D.-S. Zois, S. Lee, M. Annavaram, U. Mitra
John Wiley & Sons Wireless Computing in Medicine: From Nano to Cloud with Ethical and Legal Implications 2016. [link]

Information Transmitting Systems
D.-S. Zois, G. Roumeliotis, V. Kekatos, K. Berberidis
University of Patras 2018. (in Greek)