Fusing MPEG-7 Visual Descriptors for Image Classification. - Evaggelos Spyrou; Hervé Le Borgne; Theofilos P. Mailis; Eddie Cooke; Yannis Avrithis; Noel E. O'Connor (ICANN (2), 2005)

Emotion recognition through facial expression analysis based on a neurofuzzy network. - Spiros Ioannou; Amaryllis Raouzaiou; Vassilis Tzouvaras; Theofilos P. Mailis; Kostas Karpouzis; Stefanos D. Kollias (Neural Networks, 2005)

Tractable Reasoning Based on the Fuzzy EL++ Algorithm. - Theofilos P. Mailis; Giorgos Stoilos; Nikos Simou; Giorgos B. Stamou (URSW, 2008)

Optimization Techniques for Fuzzy Description Logics. - Nikos Simou; Theofilos P. Mailis; Giorgos Stoilos; Giorgos B. Stamou (Description Logics, 2010)

Expressive reasoning with horn rules and fuzzy description logics. - Theofilos P. Mailis; Giorgos Stoilos; Giorgos B. Stamou (Knowl. Inf. Syst., 2010)

Tractable reasoning with vague knowledge using fuzzy EL++. - Theofilos P. Mailis; Giorgos Stoilos; Nikos Simou; Giorgos B. Stamou; Stefanos D. Kollias (J. Intell. Inf. Syst., 2012)

Επεκτάσεις ασαφών περιγραφικών λογικών με κανόνες και απτά πεδία - Theofilos P. Mailis (2012)

Employing DL text -Lite_R -Reasoners for Fuzzy Query Answering. - Theofilos P. Mailis; Anni-Yasmin Turhan (JIST, 2014)

Conjunctive Query Answering in Finitely-Valued Fuzzy Description Logics. - Theofilos P. Mailis; Rafael Peñaloza; Anni-Yasmin Turhan (RR, 2014)

Conjunctive Query Answering with Finitely Many Truth Degrees. - Stefan Borgwardt; Theofilos P. Mailis; Rafael Peñaloza; Anni-Yasmin Turhan (Description Logics, 2015)

A pragmatic approach to answering CQs over fuzzy DL-Lite-ontologies - introducing FLite. - Theofilos P. Mailis; Anni-Yasmin Turhan; Erik Zenker (Description Logics, 2015)

A semantic approach to polystores. - Evgeny Kharlamov; Theofilos P. Mailis; Konstantina Bereta; Dimitris Bilidas; Sebastian Brandt 001; Ernesto Jiménez-Ruiz; Steffen Lamparter; Christian Neuenstadt; Özgür L. Özçep; Ahmet Soylu; Christoforos Svingos; Guohui Xiao 001; et al. (IEEE BigData, 2016)

Real time processing of streaming and static information. - Christoforos Svingos; Theofilos Mailis; Herald Kllapi; Lefteris Stamatogiannakis; Yannis Kotidis; Yannis E. Ioannidis (IEEE BigData, 2016)

Enabling semantic access to static and streaming distributed data with optique: demo. - Evgeny Kharlamov; Sebastian Brandt 001; Martin Giese; Ernesto Jiménez-Ruiz; Yannis Kotidis; Steffen Lamparter; Theofilos Mailis; Christian Neuenstadt; Özgür L. Özçep; Christoph Pinkel; Ahmet Soylu; Christoforos Svingos; et al. (DEBS, 2016)

Scalable Semantic Access to Siemens Static and Streaming Distributed Data. - Evgeny Kharlamov; Sebastian Brandt 001; Martin Giese; Ernesto Jiménez-Ruiz; Yannis Kotidis; Steffen Lamparter; Theofilos Mailis; Christian Neuenstadt; Özgür Lütfü Özçep; Christoph Pinkel; Ahmet Soylu; Christoforos Svingos; et al. (ISWC (Posters & Demos), 2016)

Towards Analytics Aware Ontology Based Access to Static and Streaming Data. - Evgeny Kharlamov; Yannis Kotidis; Theofilos Mailis; Christian Neuenstadt; Charalampos Nikolaou; Özgür L. Özçep; Christoforos Svingos; Dmitriy Zheleznyakov; Sebastian Brandt 001; Ian Horrocks 001; Yannis E. Ioannidis; Steffen Lamparter; et al. (ISWC (2), 2016)

Ontology-Based Integration of Streaming and Static Relational Data with Optique. - Evgeny Kharlamov; Sebastian Brandt 001; Ernesto Jiménez-Ruiz; Yannis Kotidis; Steffen Lamparter; Theofilos Mailis; Christian Neuenstadt; Özgür L. Özçep; Christoph Pinkel; Christoforos Svingos; Dmitriy Zheleznyakov; Ian Horrocks 001; et al. (SIGMOD Conference, 2016)

Towards Analytics Aware Ontology Based Access to Static and Streaming Data (Extended Version). - Evgeny Kharlamov; Yannis Kotidis; Theofilos Mailis; Christian Neuenstadt; Charalampos Nikolaou; Özgür L. Özçep; Christoforos Svingos; Dmitriy Zheleznyakov; Steffen Lamparter; Ian Horrocks 001; Yannis E. Ioannidis; Ralf Möller 001 (CoRR, 2016)

Answering Fuzzy Conjunctive Queries Over Finitely Valued Fuzzy Ontologies. - Stefan Borgwardt; Theofilos P. Mailis; Rafael Peñaloza; Anni-Yasmin Turhan (J. Data Semant., 2016)

BalOnSe: Temporal Aspects of Dance Movement and Its Ontological Representation. - Katerina El Raheb; Theofilos Mailis; Vladislav Ryzhikov; Nicolas Papapetrou; Yannis E. Ioannidis (ESWC (2), 2017)

Semantic access to streaming and static data at Siemens. - Evgeny Kharlamov; Theofilos Mailis; Gulnar Mehdi; Christian Neuenstadt; Özgür L. Özçep; Mikhail Roshchin; Nina Solomakhina; Ahmet Soylu; Christoforos Svingos; Sebastian Brandt 001; Martin Giese; Yannis E. Ioannidis; et al. (J. Web Semant., 2017)

Finding Data Should be Easier than Finding Oil. - Evgeny Kharlamov; Martin G. Skjæveland; Dag Hovland; Theofilos Mailis; Ernesto Jiménez-Ruiz; Guohui Xiao 001; Ahmet Soylu; Ian Horrocks 001; Arild Waaler (IEEE BigData, 2018)

Mv-Index: An Efficient Index for Graph-Query Containment. - Theofilos Mailis; Yannis Kotidis; Vaggelis Nikolopoulos; Evgeny Kharlamov; Ian Horrocks 001; Yannis E. Ioannidis (ISWC (Satellites), 2019)

An Efficient Index for RDF Query Containment. - Theofilos Mailis; Yannis Kotidis; Vaggelis Nikolopoulos; Evgeny Kharlamov; Ian Horrocks 001; Yannis E. Ioannidis (SIGMOD Conference, 2019)

Special Issue on High-Level Declarative Stream Processing. - Patrick Koopmann; Theofilos Mailis; Danh Le Phuoc (Open J. Databases, 2019)

An ontology-mediated analytics-aware approach to support monitoring and diagnostics of static and streaming data. - Evgeny Kharlamov; Yannis Kotidis; Theofilos Mailis; Christian Neuenstadt; Charalampos Nikolaou; Özgür L. Özçep; Christoforos Svingos; Dmitriy Zheleznyakov; Yannis E. Ioannidis; Steffen Lamparter; Ralf Möller 001; Arild Waaler (J. Web Semant., 2019)

View Selection over Knowledge Graphs in Triple Stores. - Theofilos Mailis; Yannis Kotidis; Stamatis Christoforidis; Evgeny Kharlamov; Yannis E. Ioannidis (Proc. VLDB Endow., 2021)