Journals


  1. Georgios Chatzigeorgakidis, Kostas Patroumpas, Dimitrios Skoutas, Spiros Athanasiou, Spiros Skiadopoulos. Visual Exploration of Geolocated Time Series with Hybrid Indexing. Big Data Research 15: 12-28 (2019).

  2. Alexandros Belesiotis, George Papadakis, Dimitrios Skoutas. Analyzing and Predicting Spatial Crime Distribution Using Crowdsourced and Open Data. ACM Trans. Spatial Algorithms and Systems 3(4): 12:1-12:31 (2018).

  3. Alexandros Belesiotis, Dimitrios Skoutas, Christodoulos Efstathiades, Vassilis Kaffes, Dieter Pfoser. Spatio-textual user matching and clustering based on set similarity joins. VLDB J. 27(3): 297-320 (2018).

  4. Sophia Karagiorgou, Dieter Pfoser, Dimitrios Skoutas. A Layered Approach for More Robust Generation of Road Network Maps from Vehicle Tracking Data. ACM Trans. Spatial Algorithms and Systems (TSAS), 3(1): 3:1-3:21, 2017.

  5. Dimitrios Skoutas, Dimitris Sacharidis, Alkis Simitsis, Timos Sellis. Ranking and Clustering Web Services Using Multicriteria Dominance Relationships. IEEE Transactions on Services Computing (TSC), Vol. 3(3), pp. 163-177, 2010.

  6. Alkis Simitsis, Dimitrios Skoutas, Malú Castellanos. Representation of Conceptual ETL Designs in Natural Language Using Semantic Web Technology. Data & Knowledge Engineering (DKE), Vol. 69(1), pp. 96-115, 2010.

  7. Dimitrios Skoutas, Alkis Simitsis, Timos Sellis. Ontology-driven Conceptual Design of ETL Processes using Graph Transformations. Journal on Data Semantics, Special Issue on "Semantic Data Warehouses" (JoDS XIII), LNCS 5530, pp. 119-145, 2009.

  8. Nikolaos Papadakis, Anastasios Doulamis, Antonios Litke, Nikolaos Doulamis, Dimitrios Skoutas, Theodora Varvarigou. MI-MERCURY: A Mobile Agent Architecture for Ubiquitous Retrieval and Delivery of Multimedia Information. Multimedia Tools and Applications (MTA), Vol. 38(1), pp. 1-24, May 2008.

  9. Dimitrios Skoutas, Alkis Simitsis. Ontology-based Conceptual Design of ETL Processes for both Structured and Semi-structured Data. International Journal on Semantic Web and Information Systems (IJSWIS), Special Issue on Semantic Web and Data Warehousing, Vol. 3(4), pp. 1-24, Oct.-Dec. 2007.

  10. Antonios Litke, Dimitrios Skoutas, Konstantinos Tserpes, Theodora Varvarigou. Efficient Task Replication and Management for Adaptive Fault Tolerance in Mobile Grid environments. Future Generation Computer Systems (FGCS), Vol. 23(2), pp. 163-178, Feb. 2007.

  11. Nikolaos Papadakis, Antonios Litke, Dimitrios Skoutas, Theodora Varvarigou. MEMPHIS: a Mobile Agent-Based System for Enabling Acquisition of Multilingual Content and Providing Flexible Format Internet Premium Services. Journal of Systems Architecture (JSA), Vol. 52(6), pp. 315-331, June 2006.

  12. Nikolaos Papadakis, Dimitrios Skoutas, Konstantinos Raftopoulos, Theodora Varvarigou. STAVIES: A System for Information Extraction from Unknown Web Data Sources through Automatic Web Wrapper Generation Using Clustering Techniques. IEEE Transactions on Knowledge and Data Engineering (TKDE), Vol. 17(12), pp. 1638- 1652, Dec. 2005.

Conferences and Workshops


  1. Hamid Shahrivari, Matthaios Olma, Odysseas Papapetrou, Dimitrios Skoutas, Anastasia Ailamaki. A Parallel and Distributed Approach for Diversified Top-k Best Region Search. In Proc. of the 23rd International Conference on Extending Database Technology (EDBT), pp. 265-276, Copenhagen, Denmark, March 30 - April 02, 2020.

  2. George Papadakis, Leonidas Tsekouras, Emmanouil Thanos, Nikiforos Pittaras, Giovanni Simonini, Dimitrios Skoutas, Paul Isaris, George Giannakopoulos, Themis Palpanas, Manolis Koubarakis. JedAI3 : beyond batch, blocking-based Entity Resolution. In Proc. of the 23rd International Conference on Extending Database Technology (EDBT), pp. 603-606, Copenhagen, Denmark, March 30 - April 02, 2020.

  3. Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan. Efficiently Computing Homomorphic Matches of Hybrid Pattern Queries on Large Graphs. In Proc. of the 21st International Conference on Big Data Analytics and Knowledge Discovery (DaWaK), pp. 279-295, Linz, Austria, August 26-29, 2019.

  4. Giorgos Giannopoulos, Konstantinos Alexis, Nikos Kostagiolas, Dimitrios Skoutas. Classifying points of interest with minimum metadata. In Proc. of the 3rd ACM SIGSPATIAL International Workshop on Location-based Recommendations, Geosocial Networks and Geoadvertising (LocalRec), pp. 1:1-1:4, Chicago, IL, USA, November 5, 2019.

  5. Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Themis Palpanas, Spiros Athanasiou, Spiros Skiadopoulos. Local Similarity Search on Geolocated Time Series Using Hybrid Indexing. In Proc. of the 27th ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 179-188, Chicago, IL, USA, November 5-8, 2019.

  6. Kostas Patroumpas, Dimitrios Skoutas, Georgios M. Mandilaras, Giorgos Giannopoulos, Spiros Athanasiou. Exposing Points of Interest as Linked Geospatial Data. In Proc. of the 16th International Symposium on Spatial and Temporal Databases (SSTD), pp. 21-30, Vienna, Austria, August 19-21, 2019.

  7. Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Themis Palpanas, Spiros Athanasiou, Spiros Skiadopoulos. Local Pair and Bundle Discovery over Co-Evolving Time Series. In Proc. of the 16th International Symposium on Spatial and Temporal Databases (SSTD), pp. 160-169, Vienna, Austria, August 19-21, 2019.

  8. Giorgos Eftaxias, Nontas Tsakonas, Giorgos Giannopoulos, Nikos Kostagiolas, Andreas Syngros, Dimitrios Skoutas. LGM-PC: A tool for POI classification on QGIS. In Proc. of the 16th International Symposium on Spatial and Temporal Databases (SSTD), pp. 182-185, Vienna, Austria, August 19-21, 2019.

  9. Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan. Evaluating Mixed Patterns on Large Data Graphs Using Bitmap Views. In Proc. of the 24th International Conference on Database Systems for Advanced Applications (DASFAA), pp. 553-570, Chiang Mai, Thailand, April 22-25, 2019.

  10. Spiros Athanasiou, Giorgos Giannopoulos, Damien Graux, Nikos Karagiannakis, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Kostas Patroumpas, Mohamed Ahmed Sherif, Dimitrios Skoutas. Big POI data integration with Linked Data technologies. In Proc. of the 22nd International Conference on Extending Database Technology (EDBT), pp. 477-488, Lisbon, Portugal, March 26-29, 2019.

  11. Spiros Athanasiou, Michail Alexakis, Giorgos Giannopoulos, Nikos Karagiannakis, Yannis Kouvaras, Pantelis Mitropoulos, Kostas Patroumpas, Dimitrios Skoutas. SLIPO: Large-Scale Data Integration for Points of Interest. In Proc. of the 22nd International Conference on Extending Database Technology (EDBT), pp. 574-577, Lisbon, Portugal, March 26-29, 2019.

  12. Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Spiros Athanasiou, Spiros Skiadopoulos. Map-Based Visual Exploration of Geolocated Time Series. In Proc. of the EDBT Workshop on Big Data Visual Exploration and Analytics (BigVis), pp. 92-99, Vienna, Austria, March 26, 2018.

  13. Georgios Chatzigeorgakidis, Kostas Patroumpas, Dimitrios Skoutas, Spiros Athanasiou, Spiros Skiadopoulos. Scalable hybrid similarity join over geolocated time series. In Proc. of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 119-128, Seattle, WA, USA, November 06-09, 2018.

  14. Dimitrios Skoutas, Dimitris Sacharidis, Kostas Patroumpas. Efficient progressive and diversified top-k best region search. In Proc. of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 299-308, Seattle, WA, USA, November 06-09, 2018.

  15. Vassilis Kaffes, Alexandros Belesiotis, Dimitrios Skoutas, Spiros Skiadopoulos. Finding shortest keyword covering routes in road networks. In Proc. of the 30th International Conference on Scientific and Statistical Database Management (SSDBM), pp. 12:1-12:12, Bozen-Bolzano, Italy, July 09-11, 2018.

  16. Dimitris Sacharidis, Paras Mehta, Dimitrios Skoutas, Kostas Patroumpas, Agnès Voisard. Selecting representative and diverse spatio-textual posts over sliding windows. In Proc. of the 30th International Conference on Scientific and Statistical Database Management (SSDBM), pp. 17:1-17:12, Bozen-Bolzano, Italy, July 09-11, 2018.

  17. Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Spiros Athanasiou, Spiros Skiadopoulos. Indexing Geolocated Time Series Data. In Proc. of the 25th ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 19:1-19:10, Redondo Beach, CA, USA, November 7-10, 2017.

  18. Dimitris Sacharidis, Paras Mehta, Dimitrios Skoutas, Kostas Patroumpas, Agnès Voisard. Continuous Summarization of Streaming Spatio-Textual Posts. In Proc. of the 25th ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 53:1-53:4, Redondo Beach, CA, USA, November 7-10, 2017.

  19. Paras Mehta, Dimitris Sacharidis, Dimitrios Skoutas, Agnès Voisard. Finding Socio-Textual Associations Among Locations. In Proc. of the 20th International Conference on Extending Database Technology (EDBT), pp. 120-131, Venice, Italy, March 21-24, 2017.

  20. Paras Mehta, Manuel Kotlarski, Dimitrios Skoutas, Dimitris Sacharidis, Kostas Patroumpas, Agnès Voisard. μTOP: Spatio-Temporal Detection and Summarization of Locally Trending Topics in Microblog Posts. In Proc. of the 20th International Conference on Extending Database Technology (EDBT), pp. 558-561, Venice, Italy, March 21-24, 2017 (Demo).

  21. Dimitrios Skoutas, Dimitris Sacharidis, Kostas Stamatoukos. Identifying and Describing Streets of Interest. In Proc. of the 19th International Conference on Extending Database Technology (EDBT), pp. 437-448, Bordeaux, France, March 15-16, 2016.

  22. Christodoulos Efstathiades, Alexandros Belesiotis, Dimitrios Skoutas, Dieter Pfoser. Similarity Search on Spatio-Textual Point Sets. In Proc. of the 19th International Conference on Extending Database Technology (EDBT), pp. 329-340, Bordeaux, France, March 15-16, 2016.

  23. Paras Mehta, Dimitrios Skoutas, Dimitris Sacharidis, Agnès Voisard. Coverage and diversity aware top-k query for spatio-temporal posts. In Proc. of the 24th ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 37:1-37:10, Burlingame, California, USA, October 31 - November 3.

  24. Paras Mehta, Dimitris Sacharidis, Dimitrios Skoutas, Agnès Voisard. Keyword-based Retrieval of Frequent Location Sets in Geotagged Photo Trails. In Proc. of the 8th International Conference on Web Science (WebSci), pp. 348-349, Hannover, Germany, May 22-25, 2016.

  25. Giorgos Giannopoulos, Nikos Karagiannakis, Dimitrios Skoutas, Spiros Athanasiou. Learning to Classify Spatiotextual Entities in Maps. In Proc. of the 13th Extended Semantic Web Conference (ESWC), pp. 539-555, Heraklion, Greece, May 29 - June 2, 2016.

  26. Paras Mehta, Dimitrios Skoutas, Agnès Voisard. Spatio-temporal Keyword Queries for Moving Objects. In Proc. of the 23rd International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 55:1-55:4, Bellevue, WA, USA, November 3-6, 2015.

  27. Giorgos Giannopoulos, Nick Vitsas, Nikos Karagiannakis, Dimitrios Skoutas, Spiros Athanasiou. FAGI-gis: A Tool for Fusing Geospatial RDF Data. The Semantic Web: ESWC 2015 Satellite Events, pp. 51-57, Portoroz, Slovenia, May 31 - June 4, 2015 (Demo paper).

  28. Nikos Karagiannakis, Giorgos Giannopoulos, Dimitrios Skoutas, Spiros Athanasiou. OSMRec Tool for Automatic Recommendation of Categories on Spatial Entities in OpenStreetMap. In Proc. of the 9th ACM Conference on Recommender Systems (RecSys), pp. 337-338, Vienna, Austria, September 16-20, 2015 (Demo).

  29. Giorgos Giannopoulos, Nikos Karagiannakis, Dimitrios Skoutas, Spiros Athanasiou. Automatic Recommendations of Categories for Geospatial Entities. In Proc. of the RecSys Workshop on Location-Aware Recommendations (LocalRec), pp. 9-12, Vienna, Austria, September 19, 2015.

  30. Christodoulos Efstathiades, Helias Antoniou, Dimitrios Skoutas, Yannis Vassiliou. TwitterViz: Visualizing and Exploring the Twittersphere. In Proc. of the 14th International Symposium on Advances in Spatial and Temporal Databases (SSTD), pp. 503-507, Hong Kong, China, August 26-28, 2015 (Demo).

  31. Dimitris Sacharidis, Dimitrios Skoutas, Georgios Skoumas. Continuous Monitoring of Nearest Trajectories. In Proc. of the 22nd ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 361-370, Dallas, Texas, USA, November 4-7, 2014.

  32. George Lamprianidis, Dimitrios Skoutas, George Papatheodorou, Dieter Pfoser. Extraction, Integration and Exploration of Crowdsourced Geospatial Content from Multiple Web Sources. In Proc. of the 22nd ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 553-556, Dallas, Texas, USA, November 4-7, 2014 (Demo paper).

  33. George Lamprianidis, Dimitrios Skoutas, George Papatheodorou, Dieter Pfoser. Extraction, Integration and Analysis of Crowdsourced Points of Interest from Multiple Web Sources. In Proc. of the 3rd ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information (GEOCROWD), pp. 16-23, Dallas, Texas, USA, November 4, 2014.

  34. Sophia Karagiorgou, Dieter Pfoser, Dimitrios Skoutas. Geosemantic Network-of-Interest Construction Using Social Media Data. In Proc. of the 8th International Conference on Geographic Information Science (GIScience), pp. 109-125, Vienna, Austria, September 24-26, 2014.

  35. Giorgos Giannopoulos, Thomas Maroulis, Dimitrios Skoutas, Nikos Karagiannakis, Spiros Athanasiou. FAGI-tr: A Tool for Aligning Geospatial RDF Vocabularies. In Proc. of the 11th Extended Semantic Web Conference (ESWC), Demo Track, pp. 355-361, Anissaras, Greece, May 25-29, 2014.

  36. Giorgos Giannopoulos, Dimitrios Skoutas, Thomas Maroulis, Nikos Karagiannakis, Spiros Athanasiou. FAGI: A Framework for Fusing Geospatial RDF Data. In Proc. of the 13th International Conference on Ontologies, DataBases, and Applications of Semantics (OTM), pp. 553-561, Amantea, Italy, October 27-31, 2014.

  37. Georgios Skoumas, Dimitrios Skoutas, Alexandra Vlachaki. Efficient Identification and Approximation of k-Nearest Moving Neighbors. In Proc. of the 21st International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 254-263, Orlando, FL, USA, November 5-8, 2013.

  38. Sophia Karagiorgou, Dieter Pfoser, Dimitrios Skoutas. Segmentation-based Road Network Construction. In Proc. of the 21st International Conference on Advances in Geographic Information Systems (SIGSPATIAL), pp. 450-453, Orlando, FL, USA, November 5-8, 2013.

  39. Nikos Bikakis, Giorgos Giannopoulos, John Liagouris, Dimitrios Skoutas, Theodore Dalamagas, Timos Sellis. RDivF: Diversifying Keyword Search on RDF Graphs. In Proc. of the International Conference on Theory and Practice of Digital Libraries (TPDL), pp. 413-416, Valletta, Malta, September 22-26, 2013.

  40. Odysseas Papapetrou, Ekaterini Ioannou, Dimitrios Skoutas. Efficient Discovery of Frequent Subgraph Patterns in Uncertain Graph Databases. In Proc. of the 14th International Conference on Extending Database Technology (EDBT), pp. 355-366, Uppsala, Sweden, March 21-24, 2011.

  41. Dimitrios Skoutas, Mohammad Alrifai. Tag Clouds Revisited. In Proc. of the 20th ACM Conference on Information and Knowledge Management (CIKM), pp. 221-230, Glasgow, United Kingdom, October 24-28, 2011. [url]

  42. Dimitrios Skoutas, Mohammad Alrifai. Ranking Tags in Resource Collections. In Proc. of the 34th International ACM Conference on Research and Development in Information Retrieval (SIGIR), pp. 1207-1208, Beijing, China, July 25-29, 2011.

  43. Alfredo Cuzzocrea, Juri Luca De Coi, Marco Fisichella, Dimitrios Skoutas. Graph-Based Matching of Composite OWL-S Services. In Proc. of the DASFAA Workshop on Graph-structured Data Bases (GDB), pp. 28-39, Hong Kong, China, April 22-25, 2011.

  44. Mohammad Alrifai, Dimitrios Skoutas, Thomas Risse. Selecting Skyline Services for QoS-based Web Service Composition. In Proc. of the 19th International World Wide Web Conference (WWW), pp. 11-20, Raleigh, NC, USA, April 26-30, 2010.

  45. Odysseas Papapetrou, George Papadakis, Ekaterini Ioannou, Dimitrios Skoutas. Efficient Term Cloud Generation for Streaming Web Content. In Proc. of the 10th International Conference on Web Engineering (ICWE), pp. 385-399, Vienna, Austria, July 5-9, 2010.

  46. Ekaterini Ioannou, Odysseas Papapetrou, Dimitrios Skoutas, Wolfgang Nejdl. Efficient Semantic-Aware Detection of Near Duplicate Resources. In Proc. of the 7th Extended Semantic Web Conference (ESWC), pp. 136-150, Heraklion, Greece, May 30-June 03, 2010.

  47. Dimitrios Skoutas, Mohammad Alrifai, Wolfgang Nejdl. Re-ranking Web Service Search Results Under Diverse User Preferences. 4th International VLDB Workshop on Personalized Access, Profile Management, and Context Awareness in Databases (PersDB), Singapore, Sept. 13, 2010.

  48. Christian Kohlschütter, Fabian Abel, Dimitrios Skoutas. A Novel Interface for Exploring, Annotating and Organizing News and Blogs Articles. 3rd Annual WSDM Workshop on Search in Social Media (SSM), New York City, USA, February 3, 2010.

  49. Dimitrios Skoutas, Dimitris Sacharidis, Alkis Simitsis, Verena Kantere, Timos Sellis. Top-k Dominant Web Services Under Multi-Criteria Matching. In Proc. of the 12th International Conference on Extending Database Technology (EDBT), pp. 898-909, Saint-Petersburg, Russia, Mar. 23-26, 2009.

  50. Anna Averbakh, Daniel Krause, Dimitrios Skoutas. Exploiting User Feedback to Improve Semantic Web Service Discovery. In Proc. of the 8th International Semantic Web Conference (ISWC), pp. 33-48, Chantilly, VA, USA, October 25-29, 2009.

  51. Dimitrios Skoutas, Dimitris Sacharidis, Verena Kantere, Timos Sellis. Efficient Semantic Web Service Discovery in Centralized and P2P Environments. In Proc. of the 7th International Semantic Web Conference (ISWC), pp. 583-598, Karlsruhe, Germany, October 26-30, 2008.

  52. Alkis Simitsis, Dimitrios Skoutas, Malú Castellanos. Natural Language Reporting for ETL Processes. In Proc. of the 11th International CIKM Workshop on Data Warehousing and OLAP (DOLAP), pp. 65-72, Napa Valley, CA, USA, October 30, 2008.

  53. Dimitrios Skoutas, Dimitris Sacharidis, Alkis Simitsis, Timos Sellis. Serving the Sky: Discovering and Selecting Semantic Web Services through Dynamic Skyline Queries. In Proc. of the 2nd IEEE International Conference on Semantic Computing (ICSC), pp. 222-229, Santa Clara, CA, USA, August 4-7, 2008.

  54. Dimitrios Skoutas, Verena Kantere, Alkis Simitsis, Timos Sellis. Ontology-Based Data Sharing in P2P Databases. In post-proceedings of the joint ODBIS/SWDB VLDB Workshop on Semantic Web, Ontologies, Databases, LNCS 5005, pp. 117-137, 2008. (revised selected papers)

  55. Dimitrios Skoutas, Alkis Simitsis, Timos Sellis. A Ranking Mechanism for Semantic Web Service Discovery. In Proc. of the 4th International ICWS Workshop on Semantic Web for Services and Processes (SWSP), pp. 41-48, Salt Lake City, Utah, USA, July 9-13, 2007.

  56. Dimitrios Skoutas, Alkis Simitsis. Flexible and Customizable NL Representation of Requirements for ETL Processes. In Proc. of the 12th International Conference on Applications of Natural Language to Information Systems (NLDB), LNCS 4592, pp. 433-439, Paris, France, June 27-29, 2007.

  57. Dimitrios Skoutas, Alkis Simitsis. Designing ETL Processes using Semantic Web Technologies. In Proc. of the 9th International CIKM Workshop on Data Warehousing and OLAP (DOLAP), pp. 67-74, Arlington, VA, USA, November 10, 2006.
  58. Nikolaos Papadakis, Anastasios Doulamis, Dimitrios Skoutas, Antonios Litke, Nikolaos Doulamis, Theodora Varvarigou. Retrieving, Adapting and Delivering Multimedia Content Using a Mobile Agent Architecture. In Proc. of the 2005 IEEE International Conference on Multimedia and Expo (ICME), pp. 458-461, Amsterdam, The Netherlands, July 6-9, 2005.

  59. Nikolaos Papadakis, Dimitrios Skoutas, Konstantinos Raftopoulos, Theodora Varvarigou. An Automatic Web Wrapper for Extracting Information from Web Sources, Using Clustering Techniques. In Proc. of the IEEE/IPSJ International Symposium on Applications and the Internet (SAINT), pp. 24-30, Trento, Italy, January 31 - February 4, 2005.

  60. Antonios Litke, Dimitrios Skoutas. Mobile Grid Computing: Changes and Challenges of Resource Management in a Mobile Grid Environment. Practical Aspects of Knowledge Management (PAKM), Workshop on Access to Knowledge through Grid in a Mobile World, Vienna, Austria, Dec. 2, 2004.