Accommodating Changes in Semistructured Databases Using Multidimensional OEM. - Yannis Stavrakas; Manolis Gergatsoulis; Christos Doulkeridis; Vassilis Zafeiris (ADBIS, 2002)

Towards a Context-Aware Service Directory. - Christos Doulkeridis; Efstratios Valavanis; Michalis Vazirgiannis (TES, 2003)

Querying and Updating a Context-Aware Service Directory in Mobile Environments. - Christos Doulkeridis; Michalis Vazirgiannis (Web Intelligence, 2004)

Representing and querying histories of semistructured databases using multidimensional OEM. - Yannis Stavrakas; Manolis Gergatsoulis; Christos Doulkeridis; Vassilis Zafeiris (Inf. Syst., 2004)

The role of caching and context-awareness in P2P service discovery. - Christos Doulkeridis; Vassilis Zafeiris; Michalis Vazirgiannis (Mobile Data Management, 2005)

A System Architecture for Context-Aware Service Discovery. - Christos Doulkeridis; Nikos Loutas; Michalis Vazirgiannis (CWS@CONTEXT, 2005)

Scalable Semantic Overlay Generation for P2P-Based Digital Libraries. - Christos Doulkeridis; Kjetil Nørvåg; Michalis Vazirgiannis (ECDL, 2006)

Taxonomy Caching: A Scalable Low-CostMechanism for Indexing Remote Contents in Peer-to-Peer Systems. - Kjetil Nørvåg; Christos Doulkeridis; Michalis Vazirgiannis (ICPS, 2006)

Schema Caching for Improved XML Query Processing in P2P Systems. - Christos Doulkeridis; Kjetil Nørvåg; Michalis Vazirgiannis (Peer-to-Peer Computing, 2006)

K-Landmarks: Distributed Dimensionality Reduction for Clustering Quality Maintenance. - Panagis Magdalinos; Christos Doulkeridis; Michalis Vazirgiannis (PKDD, 2006)

Peer-to-Peer Clustering for Semantic Overlay Network Generation. - Michalis Vazirgiannis; Kjetil Nørvåg; Christos Doulkeridis (PRIS, 2006)

The SOWES approach to P2P web search using semantic overlays. - Christos Doulkeridis; Kjetil Nørvåg; Michalis Vazirgiannis (WWW, 2006)

Designing a Peer-to-Peer Architecture for Distributed Image Retrieval. - Akrivi Vlachou; Christos Doulkeridis; Dimitrios Mavroeidis; Michalis Vazirgiannis (Adaptive Multimedia Retrieval, 2007)

SKYPEER: Efficient Subspace Skyline Computation over Distributed Data. - Akrivi Vlachou; Christos Doulkeridis; Yannis Kotidis; Michalis Vazirgiannis (ICDE, 2007)

Peer-to-Peer Similarity Search in Metric Spaces. - Christos Doulkeridis; Akrivi Vlachou; Yannis Kotidis; Michalis Vazirgiannis (VLDB, 2007)

Context-based caching and routing for P2P web service discovery. - Christos Doulkeridis; Vassilis Zafeiris; Kjetil Nørvåg; Michalis Vazirgiannis; Emmanouel A. Giakoumakis (Distributed Parallel Databases, 2007)

DESENT: decentralized and distributed semantic overlay generation in P2P networks. - Christos Doulkeridis; Kjetil Nørvåg; Michalis Vazirgiannis (IEEE J. Sel. Areas Commun., 2007)

Organizing and searching data in unstructured P2P networks - Christos Doulkeridis (2007)

Peer-to-peer similarity search over widely distributed document collections. - Christos Doulkeridis; Kjetil Nørvåg; Michalis Vazirgiannis (LSDS-IR, 2008)

Skyline-based Peer-to-Peer Top-k Query Processing. - Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg; Michalis Vazirgiannis (ICDE, 2008)

Schema-assisted peer selection for XML querying in unstructured P2P systems. - Christos Doulkeridis; Kjetil Nørvåg; Michalis Vazirgiannis (MobiDE, 2008)

Angle-based space partitioning for efficient parallel skyline computation. - Akrivi Vlachou; Christos Doulkeridis; Yannis Kotidis (SIGMOD Conference, 2008)

On efficient top-k query processing in highly distributed environments. - Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg; Michalis Vazirgiannis (SIGMOD Conference, 2008)

CASD: Management of a context-aware service directory. - Christos Doulkeridis; Michalis Vazirgiannis (Pervasive Mob. Comput., 2008)

Multidimensional routing indices for efficient distributed query processing. - Christos Doulkeridis; Akrivi Vlachou; Kjetil Nørvåg; Yannis Kotidis; Michalis Vazirgiannis (CIKM, 2009)

AGiDS: A Grid-Based Strategy for Distributed Skyline Query Processing. - João B. Rocha-Junior; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (Globe, 2009)

FEDRA: A Fast and Efficient Dimensionality Reduction Algorithm. - Panagis Magdalinos; Christos Doulkeridis; Michalis Vazirgiannis (SDM, 2009)

Aggregation of Document Frequencies in Unstructured P2P Networks. - Robert Neumayer; Christos Doulkeridis; Kjetil Nørvåg (WISE, 2009)

Efficient range query processing in metric spaces over highly distributed data. - Christos Doulkeridis; Akrivi Vlachou; Yannis Kotidis; Michalis Vazirgiannis (Distributed Parallel Databases, 2009)

On the selectivity of multidimensional routing indices. - Christos Doulkeridis; Akrivi Vlachou; Kjetil Nørvåg; Yannis Kotidis; Michalis Vazirgiannis (CIKM, 2010)

Peer-to-Peer Similarity Search Based on M-Tree Indexing. - Akrivi Vlachou; Christos Doulkeridis; Yannis Kotidis (DASFAA (2), 2010)

Reverse top-k queries. - Akrivi Vlachou; Christos Doulkeridis; Yannis Kotidis; Kjetil Nørvåg (ICDE, 2010)

Efficient search based on content similarity over self-organizing P2P networks. - Christos Doulkeridis; Akrivi Vlachou; Kjetil Nørvåg; Yannis Kotidis; Michalis Vazirgiannis (Peer-to-Peer Netw. Appl., 2010)

Efficient Processing of Top-k Spatial Preference Queries. - João B. Rocha-Junior; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (Proc. VLDB Endow., 2010)

Identifying the Most Influential Data Objects with Reverse Top-k Queries. - Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg; Yannis Kotidis (Proc. VLDB Endow., 2010)

Efficient Routing of Subspace Skyline Queries over Highly Distributed Data. - Akrivi Vlachou; Christos Doulkeridis; Yannis Kotidis; Michalis Vazirgiannis (IEEE Trans. Knowl. Data Eng., 2010)

Efficient Distributed Top-k Query Processing with Caching. - Norvald H. Ryeng; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (DASFAA (2), 2011)

Efficient execution plans for distributed skyline query processing. - João B. Rocha-Junior; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (EDBT, 2011)

Monitoring reverse top-k queries over mobile devices. - Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (MobiDE, 2011)

Skyline query processing over joins. - Akrivi Vlachou; Christos Doulkeridis; Neoklis Polyzotis (SIGMOD Conference, 2011)

A hybrid approach for estimating document frequencies in unstructured P2P networks. - Robert Neumayer; Christos Doulkeridis; Kjetil Nørvåg (Inf. Syst., 2011)

Enhancing Clustering Quality through Landmark-Based Dimensionality Reduction. - Panagis Magdalinos; Christos Doulkeridis; Michalis Vazirgiannis (ACM Trans. Knowl. Discov. Data, 2011)

Monochromatic and Bichromatic Reverse Top-k Queries. - Akrivi Vlachou; Christos Doulkeridis; Yannis Kotidis; Kjetil Nørvåg (IEEE Trans. Knowl. Data Eng., 2011)

On saying "enough already!" in MapReduce. - Christos Doulkeridis; Kjetil Nørvåg (Cloud-I, 2012)

Processing of Rank Joins in Highly Distributed Systems. - Christos Doulkeridis; Akrivi Vlachou; Kjetil Nørvåg; Yannis Kotidis; Neoklis Polyzotis (ICDE, 2012)

Discovering Representative Skyline Points over Distributed Data. - Akrivi Vlachou; Christos Doulkeridis; Maria Halkidi (SSDBM, 2012)

Distributed top-k query processing by exploiting skyline summaries. - Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (Distributed Parallel Databases, 2012)

Metric-Based Similarity Search in Unstructured Peer-to-Peer Systems. - Akrivi Vlachou; Christos Doulkeridis; Yannis Kotidis (Trans. Large Scale Data Knowl. Centered Syst., 2012)

Peer-to-Peer Query Processing over Multidimensional Data. - Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg; Yannis Kotidis (Springer, 2012)

Branch-and-bound algorithm for reverse top-k queries. - Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg; Yannis Kotidis (SIGMOD Conference, 2013)

Discovering Influential Data Objects over Time. - Orestis Gkorgkas; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (SSTD, 2013)

APSkyline: Improved Skyline Computation for Multicore Architectures. - Stian Liknes; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (DASFAA (1), 2014)

Efficient processing of exploratory top-k joins. - Orestis Gkorgkas; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (SSDBM, 2014)

A survey of large-scale analytical query processing in MapReduce. - Christos Doulkeridis; Kjetil Nørvåg (VLDB J., 2014)

Finding the Most Diverse Products using Preference Queries. - Orestis Gkorgkas; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (EDBT, 2015)

The RoadRunner framework for efficient and scalable processing of big data. - Christos Doulkeridis; Akrivi Vlachou; Panagiotis Nikitopoulos; Panagiotis Tampakis; Mei Saouk (Panhellenic Conference on Informatics, 2015)

DsUniPi: An SVM-based Approach for Sentiment Analysis of Figurative Language on Twitter. - Maria Karanasou; Christos Doulkeridis; Maria Halkidi (SemEval@NAACL-HLT, 2015)

Maximizing Influence of Spatio-Textual Objects Based on Keyword Selection. - Orestis Gkorgkas; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (SSTD, 2015)

Efficient skyline query processing in SpatialHadoop. - Dimitris Pertesis; Christos Doulkeridis (Inf. Syst., 2015)

Efficient processing of top-k joins in MapReduce. - Mei Saouk; Christos Doulkeridis; Akrivi Vlachou; Kjetil Nørvåg (IEEE BigData, 2016)

Profile-Based Selection of Expert Groups. - Georgios A. Sfyris; Nikolaos Fragkos; Christos Doulkeridis (TPDL, 2016)

Scalable and Real-Time Sentiment Analysis of Twitter Data. - Maria Karanasou; Anneta Ampla; Christos Doulkeridis; Maria Halkidi (ICDM Workshops, 2016)

Big Data Management and Analytics for Mobility Forecasting in datAcron. - Christos Doulkeridis; Nikos Pelekis; Yannis Theodoridis; George A. Vouros (EDBT/ICDT Workshops, 2017)

Parallel and Distributed Processing of Spatial Preference Queries using Keywords. - Christos Doulkeridis; Akrivi Vlachou; Dimitris Mpestas; Nikos Mamoulis (EDBT, 2017)

The datAcron Ontology for Semantic Trajectories. - Georgios M. Santipantakis; George A. Vouros; Apostolos Glenis; Christos Doulkeridis; Akrivi Vlachou (ESWC (Satellite Events), 2017)

Specification of Semantic Trajectories Supporting Data Transformations for Analytics: The datAcron Ontology. - Georgios M. Santipantakis; George A. Vouros; Christos Doulkeridis; Akrivi Vlachou; Gennady L. Andrienko; Natalia V. Andrienko; Georg Fuchs; Jose Manuel Cordero Garcia; Miguel Garcia Martinez (SEMANTiCS, 2017)

Searching for Spatio-Temporal-Keyword Patterns in Semantic Trajectories. - Fragkiskos Gryllakis; Nikos Pelekis; Christos Doulkeridis; Stylianos Sideridis; Yannis Theodoridis (IDA, 2017)

Taming Big Maritime Data to Support Analytics. - George A. Vouros; Christos Doulkeridis; Georgios M. Santipantakis; Akrivi Vlachou (IF&GIS, 2017)

DataStories at SemEval-2017 Task 6: Siamese LSTM with Attention for Humorous Text Comparison. - Christos Baziotis; Nikos Pelekis; Christos Doulkeridis (SemEval@ACL, 2017)

DataStories at SemEval-2017 Task 4: Deep LSTM with Attention for Message-level and Topic-based Sentiment Analysis. - Christos Baziotis; Nikos Pelekis; Christos Doulkeridis (SemEval@ACL, 2017)

On temporal-constrained sub-trajectory cluster analysis. - Nikos Pelekis; Panagiotis Tampakis; Marios Vodas; Christos Doulkeridis; Yannis Theodoridis (Data Min. Knowl. Discov., 2017)

Exploratory product search using top-k join queries. - Orestis Gkorgkas; Akrivi Vlachou; Christos Doulkeridis; Kjetil Nørvåg (Inf. Syst., 2017)

User-Centric Similarity Search. - Konstantinos Georgoulas; Akrivi Vlachou; Christos Doulkeridis; Yannis Kotidis (IEEE Trans. Knowl. Data Eng., 2017)

BigDataStack: A Holistic Data-Driven Stack for Big Data Applications and Operations. - Dimosthenis Kyriazis; Christos Doulkeridis; Panagiotis Gouvas; Ricardo Jiménez-Peris; Ana Juan Ferrer; Leonidas Kallipolitis; Pavlos Kranas; George Kousiouris; Craig Macdonald; Richard McCreadie; Yosef Moatti; Apostolos Papageorgiou; et al. (BigData Congress, 2018)

Hot Spot Analysis over Big Trajectory Data. - Panagiotis Nikitopoulos; Aris-Iakovos Paraskevopoulos; Christos Doulkeridis; Nikos Pelekis; Yannis Theodoridis (IEEE BigData, 2018)

Spatio-Temporal-Keyword Pattern Queries over Semantic Trajectories with Hermes@Neo4j. - Fragkiskos Gryllakis; Nikos Pelekis; Christos Doulkeridis; Stylianos Sideridis; Yannis Theodoridis (EDBT, 2018)

DiStRDF: Distributed Spatio-temporal RDF Queries on Spark. - Panagiotis Nikitopoulos; Akrivi Vlachou; Christos Doulkeridis; George A. Vouros (EDBT/ICDT Workshops, 2018)

FAIMUSS: Flexible Data Transformation to RDF from Multiple Streaming Sources. - Georgios M. Santipantakis; Apostolos Glenis; Nikolaos Kalaitzian; Akrivi Vlachou; Christos Doulkeridis; George A. Vouros (EDBT, 2018)

Big Data Analytics for Time Critical Mobility Forecasting: Recent Progress and Research Challenges. - George A. Vouros; Akrivi Vlachou; Georgios M. Santipantakis; Christos Doulkeridis; Nikos Pelekis; Harris V. Georgiou; Yannis Theodoridis; Kostas Patroumpas; Elias Alevizos; Alexander Artikis; Christophe Claramunt; Cyril Ray; et al. (EDBT, 2018)

A Stream Reasoning System for Maritime Monitoring. - Georgios M. Santipantakis; Akrivi Vlachou; Christos Doulkeridis; Alexander Artikis; Ioannis Kontopoulos; George A. Vouros (TIME, 2018)

Increasing Maritime Situation Awareness via Trajectory Detection, Enrichment and Recognition of Events. - George A. Vouros; Akrivi Vlachou; Georgios M. Santipantakis; Christos Doulkeridis; Nikos Pelekis; Harris V. Georgiou; Yannis Theodoridis; Kostas Patroumpas; Elias Alevizos; Alexander Artikis; Georg Fuchs; Michael Mock; et al. (W2GIS, 2018)

RDF-Gen: Generating RDF from Streaming and Archival Data. - Georgios M. Santipantakis; Konstantinos I. Kotis; George A. Vouros; Christos Doulkeridis (WIMS, 2018)

MaskLink: Efficient Link Discovery for Spatial Relations via Masking Areas. - Georgios M. Santipantakis; Christos Doulkeridis; George A. Vouros; Akrivi Vlachou (CoRR, 2018)

Scalable Distributed Subtrajectory Clustering. - Panagiotis Tampakis; Nikos Pelekis; Christos Doulkeridis; Yannis Theodoridis (IEEE BigData, 2019)

Integration of Mobility Data with Weather Information. - Nikolaos Koutroumanis; Georgios M. Santipantakis; Apostolos Glenis; Christos Doulkeridis; George A. Vouros (EDBT/ICDT Workshops, 2019)

Parallel and Distributed Processing of Reverse Top-k Queries. - Panagiotis Nikitopoulos; Georgios A. Sfyris; Akrivi Vlachou; Christos Doulkeridis; Orestis Telelis (ICDE, 2019)

Efficient spatio-temporal RDF query processing in large dynamic knowledge bases. - Akrivi Vlachou; Christos Doulkeridis; Apostolos Glenis; Georgios M. Santipantakis; George A. Vouros (SAC, 2019)

stLD: towards a spatio-temporal link discovery framework. - Georgios M. Santipantakis; Apostolos Glenis; Christos Doulkeridis; Akrivi Vlachou; George A. Vouros (SBD@SIGMOD, 2019)

NoDA: Unified NoSQL Data Access Operators for Mobility Data. - Nikolaos Koutroumanis; Panagiotis Nikitopoulos; Akrivi Vlachou; Christos Doulkeridis (SSTD, 2019)

ARGO: A Big Data Framework for Online Trajectory Prediction. - Petros Petrou; Panagiotis Nikitopoulos; Panagiotis Tampakis; Apostolos Glenis; Nikolaos Koutroumanis; Georgios M. Santipantakis; Kostas Patroumpas; Akrivi Vlachou; Harris V. Georgiou; Eva Chondrodima; Christos Doulkeridis; Nikos Pelekis; et al. (SSTD, 2019)

Contextualized Analysis of Movement Events. - Siming Chen 001; Gennady L. Andrienko; Natalia V. Andrienko; Christos Doulkeridis; Athanasios Koumparos (EuroVA@EuroVis, 2019)

Guest Editorial: Special issue on mobility analytics for spatio-temporal and social data. - Christos Doulkeridis; Qiang Qu; George A. Vouros; João B. Rocha-Junior (GeoInformatica, 2019)

The datAcron Ontology for the Specification of Semantic Trajectories - Specification of Semantic Trajectories for Data Transformations Supporting Visual Analytics. - George A. Vouros; Georgios M. Santipantakis; Christos Doulkeridis; Akrivi Vlachou; Gennady L. Andrienko; Natalia V. Andrienko; Georg Fuchs; Jose Manuel Cordero Garcia; Miguel Garcia Martinez (J. Data Semant., 2019)

Online Event Recognition from Moving Vehicles: Application Paper. - Efthimis Tsilionis; Nikolaos Koutroumanis; Panagiotis Nikitopoulos; Christos Doulkeridis; Alexander Artikis (Theory Pract. Log. Program., 2019)

Distributed Storage of Large Knowledge Graphs with Mobility Data. - Panagiotis Nikitopoulos; Nikolaos Koutroumanis; Akrivi Vlachou; Christos Doulkeridis; George A. Vouros (Big Data Analytics for Time-Critical Mobility Forecasting, 2020)

Integrating Data by Discovering Topological and Proximity Relations Among Spatiotemporal Entities. - Georgios M. Santipantakis; Christos Doulkeridis; Akrivi Vlachou; George A. Vouros (Big Data Analytics for Time-Critical Mobility Forecasting, 2020)

Modeling Mobility Data and Constructing Large Knowledge Graphs to Support Analytics: The datAcron Ontology. - Georgios M. Santipantakis; George A. Vouros; Akrivi Vlachou; Christos Doulkeridis (Big Data Analytics for Time-Critical Mobility Forecasting, 2020)

Offline Trajectory Analytics. - Panagiotis Tampakis; Stylianos Sideridis; Panagiotis Nikitopoulos; Nikos Pelekis; Christos Doulkeridis; Yannis Theodoridis (Big Data Analytics for Time-Critical Mobility Forecasting, 2020)

The δ Big Data Architecture for Mobility Analytics. - George A. Vouros; Apostolos Glenis; Christos Doulkeridis (Big Data Analytics for Time-Critical Mobility Forecasting, 2020)

The Delta Big Data Architecture for Mobility Analytics. - George A. Vouros; Apostolos Glenis; Christos Doulkeridis (BigDataService, 2020)

Diversifying Top-k Point-of-Interest Queries via Collective Social Reach. - Stella Maropaki; Sean Chester; Christos Doulkeridis; Kjetil Nørvåg (CIKM, 2020)

AutoClust: A Framework for Automated Clustering based on Cluster Validity Indices. - Yannis Poulakis; Christos Doulkeridis; Dimosthenis Kyriazis (ICDM, 2020)

The SPADES Framework for Scalable Management of Spatio-textual Data. - Akrivi Vlachou; Christos Doulkeridis; Nikolaos Koutroumanis; Dimitrios Poulopoulos; Kjetil Nørvåg (PCI, 2020)

Towards Integrated and Open COVID-19 Data. - Georgios M. Santipantakis; George A. Vouros; Christos Doulkeridis (CoRR, 2020)

SPARTAN: Semantic integration of big spatio-temporal data from streaming and archival sources. - Georgios M. Santipantakis; Apostolos Glenis; Kostas Patroumpas; Akrivi Vlachou; Christos Doulkeridis; George A. Vouros; Nikos Pelekis; Yannis Theodoridis (Future Gener. Comput. Syst., 2020)

Distributed Subtrajectory Join on Massive Datasets. - Panagiotis Tampakis; Christos Doulkeridis; Nikos Pelekis; Yannis Theodoridis (ACM Trans. Spatial Algorithms Syst., 2020)

Link Discovery for Maritime Monitoring. - Georgios M. Santipantakis; Christos Doulkeridis; George A. Vouros (Guide to Maritime Informatics, 2021)

Scalable Spatio-temporal Indexing and Querying over a Document-oriented NoSQL Store. - Nikolaos Koutroumanis; Christos Doulkeridis (EDBT, 2021)

Coronis: Towards Integrated and Open COVID-19 Data. - Georgios M. Santipantakis; George A. Vouros; Christos Doulkeridis (EDBT, 2021)

ST_VISIONS: A Python Library for Interactive Visualization of Spatio-temporal Data. - Andreas Tritsarolis; Christos Doulkeridis; Nikos Pelekis; Yannis Theodoridis (MDM, 2021)

A Novel Indexing Method for Spatial-Keyword Range Queries. - Panagiotis Tampakis; Dimitris Spyrellis; Christos Doulkeridis; Nikos Pelekis; Christos Kalyvas; Akrivi Vlachou (SSTD, 2021)

Declarative Querying of Heterogeneous NoSQL Stores. - Nikolaos Koutroumanis; Nikolaos Kousathanas; Christos Doulkeridis; Akrivi Vlachou (SEA-Data@VLDB, 2021)

Pruning techniques for parallel processing of reverse top-k queries. - Panagiotis Nikitopoulos; Georgios A. Sfyris; Akrivi Vlachou; Christos Doulkeridis; Orestis Telelis (Distributed Parallel Databases, 2021)

Scalable enrichment of mobility data with weather information. - Nikolaos Koutroumanis; Georgios M. Santipantakis; Apostolos Glenis; Christos Doulkeridis; George A. Vouros (GeoInformatica, 2021)

Parallel and scalable processing of spatio-temporal RDF queries using Spark. - Panagiotis Nikitopoulos; Akrivi Vlachou; Christos Doulkeridis; George A. Vouros (GeoInformatica, 2021)

A Demonstration of NoDA: Unified Access to NoSQL Stores. - Nikolaos Koutroumanis; Nikolaos Kousathanas; Christos Doulkeridis; Akrivi Vlachou (Proc. VLDB Endow., 2021)

A Survey on Big Data Processing Frameworks for Mobility Analytics. - Christos Doulkeridis; Akrivi Vlachou; Nikos Pelekis; Yannis Theodoridis (SIGMOD Rec., 2021)

On Decisive Skyline Queries. - Akrivi Vlachou; Christos Doulkeridis; João B. Rocha-Junior; Kjetil Nørvåg (DaWaK, 2022)

Tearing Down the Tower of Babel: Unified and Efficient Spatio-temporal Queries for NoSQL Stores. - Nikolaos Koutroumanis; Christos Doulkeridis; Akrivi Vlachou (MDM, 2022)

Social Spatio-temporal Keyword Pattern (S²KP) Queries in Multiple Aspect Trajectories Databases. - Fragkiskos Gryllakis; Nikos Pelekis; Christos Doulkeridis; Iraklis Varlamis; Yannis Theodoridis (SSDBM, 2022)

RDF-Gen: generating RDF triples from big data sources. - Georgios M. Santipantakis; Konstantinos I. Kotis; Apostolos Glenis; George A. Vouros; Christos Doulkeridis; Akrivi Vlachou (Knowl. Inf. Syst., 2022)

An Ontology for Representing and Querying Semantic Trajectories in the Maritime Domain. - Georgios M. Santipantakis; Christos Doulkeridis; George A. Vouros (ADBIS, 2023)

MobiSpaces: An Architecture for Energy-Efficient Data Spaces for Mobility Data. - Christos Doulkeridis; Georgios M. Santipantakis; Nikolaos Koutroumanis; George Makridis; Vasilis Koukos; George S. Theodoropoulos; Yannis Theodoridis; Dimosthenis Kyriazis; Pavlos Kranas; Diego Burgos; Ricardo Jiménez-Peris; Mariana M. G. Duarte; et al. (IEEE Big Data, 2023)

Processing of Spatial-Keyword Range Queries in Apache Spark. - Aggelos Karabinos; Panagiotis Tampakis; Christos Doulkeridis; Akrivi Vlachou (BigSpatial@SIGSPATIAL, 2023)

An RDF Benchmark for Enriched Maritime Data. - Georgios M. Santipantakis; Christos Doulkeridis (EMODE@SIGSPATIAL, 2023)

TrajParquet: A Trajectory-Oriented Column File Format for Mobility Data Lakes. - Nikolaos Koutroumanis; Christos Doulkeridis; Chiara Renso; Mirco Nanni; Raffaele Perego 001 (SIGSPATIAL/GIS, 2023)

Green Mobility Data Spaces. - Anita Graser; Christos Doulkeridis; George S. Theodoropoulos (ERCIM News, 2023)

Decisive skyline queries for truly balancing multiple criteria. - Akrivi Vlachou; Christos Doulkeridis; João B. Rocha-Junior; Kjetil Nørvåg (Data Knowl. Eng., 2023)

The Piraeus AIS data set expressed under the vesselAI ontology. - Georgios M. Santipantakis; Christos Doulkeridis; George A. Vouros (Zenodo, 2023)

Online Integration of Spatial Reasoning in Complex Event Recognition. - Elias Alevizos; Georgios M. Santipantakis; Christos Doulkeridis; Alexander Artikis (EDBT/ICDT Workshops, 2024)

Efficient Semantic Similarity Search over Spatio-textual Data. - George S. Theodoropoulos; Kjetil Nørvåg; Christos Doulkeridis (EDBT, 2024)

An AutoML Approach for Bike Demand Forecasting and Redistribution. - Dimitris Petratos; Yannis Poulakis; Irene Gimenez Pedralba; Cristina Aragon Garcia; Christos Doulkeridis (INTSYS, 2024)

The MobiSpaces Manifesto on Mobility Data Spaces. - Christos Doulkeridis; Ioannis Chrysakis; Sophia Karagiorgou; Pavlos Kranas; Georgios Makridis; Yannis Theodoridis (eSAAM, 2024)

A Survey on AutoML Methods and Systems for Clustering. - Yannis Poulakis; Christos Doulkeridis; Dimosthenis Kyriazis (ACM Trans. Knowl. Discov. Data, 2024)

Multi-Partner Project: Green.Dat.AI: A Data Spaces Architecture for Enhancing Green AI Services. - Ioannis Chrysakis; Evangelos Agorogiannis; Nikoleta Tsampanaki; Michalis Vourtzoumis; Eva Chondrodima; Yannis Theodoridis; Domen Mongus; Ben Capper; Martin Wagner; Aris Sotiropoulos; Fábio André Coelho; Cláudia Vanessa Brito; et al. (DATE, 2025)

Dataset2Graph: A GNN-based Methodology for AutoML for Clustering. - Emmanouil Dilmperis; Yannis Poulakis; Dimitris Petratos; Christos Doulkeridis (DEEM@SIGMOD, 2025)

Hot Spot Analysis for Big Trajectory Data in Road Networks. - Panagiota Keziou; Christos Doulkeridis (EDBT/ICDT Workshops, 2025)

Parallel Spatial Join Processing with Adaptive Replication. - Nikolaos Koutroumanis; Christos Doulkeridis; Akrivi Vlachou (EDBT, 2025)

Special issue on the 5th International Workshop on Big Mobility Data Analytics (BMDA'23). - Christos Doulkeridis; Alessandra Raffaetà; Esteban Zimányi (GeoInformatica, 2025)