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Publications of Information Systems Laboratory (ISL)

Technical & Research Reports (341)

ICS-FORTH Technical Reports

  1. Laurent, D., & Spyratos, N. (2023). Consistent Query Answering without Repairs in Tables with Nulls and Functional Dependencies.  (2023.TR483_Consistent_Query_Answering_without_repairs_in_tables.pdf).
  2. Laurent, D., & Spyratos, N. (2023). Deductive Databases in Four-Valued Logic: Rule Semantics and Models.  (2023.TR484_Deductive_DBases_Four-Valued_Logic.pdf).
  3. Laurent, D., & Spyratos, N. (2021). Handling Inconsistencies in Tables with Nulls and Functional Dependencies .  (2021.TR478_Technical_Report_478_Spyratos_Updated.pdf).
  4. Pratikaki, C.-D., & Doerr, M. (2020). Analysis of Scientific Questions in Archaeology.  (2020.TR476.Analysis_of_Scientific_Questions_in_Archaeology.pdf).
  5. Katehakis, D.G., Kouroubali, A., Karatzanis, I., Manousos, D., Kondylakis, H., Kavlentakis, G., Stathiakis, N., Koumakis, L., Chatzimina, M., & Marias, K. (2018). Personal Health ICT Systems to Support Integrated Care Solutions.  (2018.TR472_ICT_Systems_Integrated_Care_Solutions.pdf).
  6. Gouidis, F., Patkos, Th., Flouris, G., & Plexousakis, D. (2017). The DRA* Algorithm.  (2017.TR468_THE_DRA_ALGORITHM.pdf).
  7. Spyratos, N., & Sugibuchi, T. (2017). HiFun-A High Level Functional Query Language for Big Data Analytics.  (2017.TR467_HiFu_Query_Language_Big_Data_Analytics.pdf).
  8. Patkos, Th., Bikakis, A., & Flouris, G. (2016). Rating Comments on the Social Web using a Multi-Aspect Evaluation Framework.  (2016.TR463_Rating_Comments_Social_Web.pdf).
  9. Roussakis, I., Chrysakis, I., Stefanidis, K., Flouris, G., & Stavrakas, Y. (2015). A Flexible Framework for Understanding the Dynamics of Evolving RDF Datasets: Extended Version.  (2015.TR456_Flexible_Framework_Evolving_RDF_Datasets.pdf).
  10. Flouris, G., Bikakis, A., Patkos, Th., & Plexousakis, D. (2013). Globally Interconnecting Persuasive Arguments: The Vision of the Persuasive Web.  (2013.TR438_The_Vision_of_the_Persuasive_Web.pdf).
  11. Doerr, M., & Hiebel, G.H (2013). CRMgeo: Linking the CIDOC CRM to GeoSPARQL through a Spatiotemporal Refinement.  (2013.TR435_CRMgeo_CIDOC_CRM_GeoSPARQL.pdf).
  12. Tzompanaki, K., & Doerr, M. (2012). Fundamental Categories and Relationships for Intuitive querying CIDOC-CRM based repositories.  (2012.TR429_Intuitive_querying_CIDOC-CRM.pdf).
  13. Ostrowski, M., Flouris, G., Schaub, T., & Antoniou, G. (2011). Evolution of Ontologies using ASP.  (2011.TR415_Evolution_Ontologies_ASP.pdf).
  14. Doerr, M., & Tzompanaki, K. (2011). A New Framework for Querying Semantic Networks.  (2011.TR419_Querying_Semantic_Networks.pdf).
  15. Chrysakis, I., Chalkidis, C., & Plexousakis, D. (2010). A Detailed Evaluation of Threshold Algorithms for Answering Top-k queries in Peer-to-Peer Networks.  (2010.TR407_Threshold_Algorithms_Top-k_queries.pdf).
  16. Baryannis, G., & Plexousakis, D. (2010). Automated Web Service Composition : State of the Art and Research Challenges.  (2010.TR409_Automated_Web_Service_Composition.pdf).
  17. Flouris, G., Fundulaki, I., Michou, M., & Antoniou, G. (2010). Controlling Access to RDF Graphs.  (2010.TR405_Controlling_Access_to_RDF_Graphs.pdf).
  18. Zeginis, Ch., & Plexousakis, D. (2010). Monitoring the QoS of Web Services using SLAs.  (2010.TR404_Monitoring_QoS_Web_Services_using_SLAs.pdf).
  19. Theoharis, Y., Fundulaki, I., Karvounarakis, G., & Christophides, V. (2010). On Provenance of Queries on Linked Web Data.  (2010.TR406_Provenance_Queries_Linked_Web_Data.pdf).
  20. Zeginis, Ch., & Plexousakis, D. (2010). Web Service Adaptation : State of the Art and Research Challenges.  (2010.TR410_Web_Service_Adaptation.pdf).
  21. Papavassiliou, V., Flouris, G., Fundulaki, I., Kotzinos, D., & Christophides, V. (2009). Formalizing High-Level Change Detection for RDF/S KBs.  (2009.TR398_Formalizing_High-Level_Change_Detection.pdf).
  22. Nanni, F., & Flouris, G. (2008). Issues Related to a Soft Transition of Existing Archives to a Preservation Environment.  (2008.TR395_Soft_Transition_Existing_Archives_Preservation_Environment.pdf).
  23. Kondylakis, H., Doerr, M., & Plexousakis, D. (2006). Mapping Language for Information Integration.  (2006.TR385_Mapping_Language_Information_Integration.pdf).
  24. Chrysakis, I., & Plexousakis, D. (2006). Semantic Query Routing and Distributed Top-k Query Processing in Peer-to-Peer Networks.  (2006.TR387_Distributed_Top-K_Query_Processing_P2P_Networks.pdf).
  25. Flouris, G., & Plexousakis, D. (2005). Handling Ontology Change : Survey and Proposal for a Future Research Direction.  (2005.TR362_Handling_Ontology_Change.pdf).
  26. Tzitzikas, Y. (2005). Updates and Revision in Faceted Taxonomies and CTCA Expressions.  (2005.TR364_Faceted_Taxonomies_CTCA_Expressions.pdf).
  27. Flouris, G., Plexousakis, D., & Antoniou, G. (2004). AGM Postulates in Arbitrary Logics: Initial Results and Applications.  (2004.TR336_AGM_Postulates_Arbitrary_Logics.pdf).
  28. Doerr, M. (2004). Semantic Interoperability : Theoretical Considerations.  (2004.TR345_Semantic_Interoperability_Theoretical_Considerations.pdf).
  29. Flouris, G., Plexousakis, D., & Antoniou, G. (2003). Describing Knowledge Representation Schemes : A Formal Account.  (2003.TR320.Knowledge_Representation_Schemes.pdf).
  30. Karvounarakis, G. (2002). A Declarative RDF Metadata Query Language for Community Web Portals.  (2002.TR301.RDF_Metadata_Query_Language_Community_Web_Portals.pdf.gz).
  31. Tzitzikas, Y., Analyti, A., Spyratos, N., & Constantopoulos, P. (2002). An Algebra for Specifying Compound Terms in Faceted Taxonomies.  (2002.TR314_Algebra_Faceted_Taxonomies.pdf).
  32. Magkanaraki, A., Karvounarakis, G., Ta, T.A., Christophides, V., & Plexousakis, D. (2002). Ontology Storage and Querying.  (2002.TR308.Ontology_Storage_and_Querying.pdf.gz).
  33. Alexaki, S. (2002). Storage of RDF Metadata for Community Web Portals.  (2002.TR300.RDF_Metadata_Community_Web_Portals.pdf.gz).
  34. Flouris, G. (2001). Belief Revision in Knowledge Bases.  (
  35. Flouris, G., & Plexousakis, D. (2001). Belief Revision using table transformation.  (
  36. Tzitzikas, Y., Spyratos, N., & Constantopoulos, P. (2001). Extended Faceted Ontologies for Web Portals.  (
  37. Doerr, M. (2001). Mapping of the AMICO data dictionary to the CIDOC CRM.  (
  38. Theodoridou, M., & Doerr, M. (2001). Mapping of the Encoded Archival Description DTD Element - Set to the CIDOC CRM.  (
  39. Karvasonis, I. (2001). Study of the heterogeneity in cultural databases and transformation of examples from CIMI to the CIDOC CRM.  (
  40. Fritzalas, E. (2000). MAISTOR: A Structural Documentation system for Buildings.  (2000.TR267.Documentation_System_Buildings.pdf.gz).
  41. Messaritakis, G., Zaharioudakis, G., Lalis, S., & Houstis, C.E. (2000). Mapeditor: An Extensible Framework for the Dynamic Manipulation of Spatial Data Objects on the WWW.  (
  42. Doerr, M. (2000). Mapping of the Dublin Core Metadata Element Set to the CIDOC CRM.  (
  43. Kouvaris, K. (2000). Methods and Tools for analysis and design of database transaction systems.  (2000.TR277.Analysis_Design_Database_Transaction_Systems.pdf.gz).
  44. Karvounarakis, G., Christophides, V., & Plexousakis, D. (2000). Querying Semistructured (Meta) Data and Schemas on the Web: The case of RDF & RDFS.  (
  45. Tolle, K. (2000). Validating RDF Parser (VRP). Analyzing and Parsing RDF.  (2000.TR270.RDF_Parser_Analyzing_Parsing_RDF.pdf.gz).
  46. Fundulaki, I. (1999). A Diagnostic support system for engineering applications.  (
  47. Chryssos, Th. (1999). A Semantic Browsing System for Knowledge Bases.  (
  48. Theodorakis, M., Analyti, A., Constantopoulos, P., & Spyratos, N. (1999). Contextualization as an Abstraction Mechanism for Conceptual Modeling.  (
  49. Toulis, S. (1999). Design and implementation of a document annotation system.  (
  50. Sidiropoulos, A. (1999). Distributed Indexing and Searching Mechanisms.  (1999.TR245.Distributed_Indexing_and_Searching_Mechanisms.pdf.gz).
  51. Doerr, M., & Bekiari, Ch. (1999). Documentation and Reasoning on Parts and Potential Wholes.  (
  52. Hatzistamatiou, A. (1999). EasyAgent: A Masif Compliant Environment for Mobile Java Objects.  (1999.TR246.EasyAgent_Mobile_Java_Objects.pdf.gz).
  53. Doas, D. (1999). Economy and Consistency in Thesauri.  (1999.TR262.Economy_Consistency_Thesauri.pdf.gz).
  54. Toliou, K. (1999). World Wide Web Gateway to the Semantic Index System.  (
  55. Doerr, M., & Fundulaki, I. (1998). A proposal on extended interthesaurus links semantics.  (
  56. Theodorakis, M., Analyti, A., Constantopoulos, P., & Spyratos, N. (1998). A Theory of Contexts in Information Bases.  (
  57. Velegrakis, Y. (1998). Declarative Specification of Z39.50 wrappers using Description Logic.  (
  58. Analyti, A., Spyratos, N., & Constantopoulos, P. (1998). Deriving and Retrieving Contextual Categorical Information through Instance Inheritance.  (
  59. Kementsietsidis, A. (1998). DTD Specific Parser Generator, DSPG.  (
  60. Yiortsou, A. (1998). Introducing Temporal Dimension in the Semantic Index System.  (
  61. Trapsioti, A.C. (1998). SGML Document Management in Knowledge Bases.  (
  62. Kiprioti, M. (1997). Analogical Guidance of Analysis and Specification Process.  (
  63. Schutte, F. (1997). Correlating Documents with Common Knowledge by Using Attribute Links.  (
  64. Analyti, A., Spyratos, N., Constantopoulos, P., & Doerr, M. (1997). Inheritance under Participation Constraints and Disjointnes.  (
  65. Sintihakis, M. (1997). Monolingual Thesauri Merging.  (
  66. Analyti, A., Spyratos, N., & Constantopoulos, P. (1997). On the Definition of Semantic Network Semantics.  (
  67. Margariti, G. (1997). Performance metrics for the cache management mechanism of the Semantic Index System.  (
  68. Analyti, A., Spyratos, N., & Constantopoulos, P. (1997). Property Covering : A Powerful Construct for Schema Derivations.  (
  69. Velegrakis, Y. (1997). VRW: A system to create, modify and procude reports.  (
  70. Anastasiadi, A. (1996). A study of Microeconomic Algorithms for Load Balancing and Data Replication in Distributed Computer Systems.  (
  71. Doerr, M. (1996). Authority Services in Global Information Spaces - Requirements analysis and feasibility study -.  (1996.TR163.Authority_Services_Global_Information_Spaces.pdf).
  72. Hamilakis, Ch. (1996). Construction of a Federated Schema for a FDBS from Local Relational Schemeta.  (
  73. Gritzapi, Ch.D. (1996). Data transfer from a relational to an object-oriented database.  (
  74. Wiewer, C. (1996). Efficient Indexes for Dynamic Set-Valued Fields in a Semantic Network.  (
  75. Daskalakis, D. (1996). Interactive update of object-oriented databases.  (
  76. Papadakis, D. (1996). Parallel Tabu Search Algorithms for the Flow-Shop Problem.  (
  77. Analyti, A., Constantopoulos, P., & Spyratos, N. (1996). Specialization by Restriction and Schema Derivations.  (
  78. Nikolaou, Ch., Marazakis, M., & Georgiannakis, G. (1996). Transaction Routing for Distributed OLTP Systems: Survey and Recent Results.  (
  79. Ksouris, G. (1995). A System for Configuration Management.  (
  80. Theodorakis, M. (1995). Name Scope In Semantic Data Models.  (
  81. Tzitzikas, Y. (1995). View Updates in Knowledge Bases.  (
  82. Georgiannakis, G.Y. (1994). A Storage and Memory Management Mechanism for Objects in Telos.  (
  83. Karavassilh, M.P. (1994). An Algorithm to Layout Directed Graphs.  (
  84. Constantopoulos, P. (1994). Cultural Documentation : The CLIO System.  (
  85. Christoforaki, M. (1994). Cultural Documentation with System CLIO.  (
  86. Halkia, K. (1993). Syntactical Software Substitution.  (
  87. Tsatsakis, N. (1993). The Problem of Total Completion Time of n Jobs on One Machine with Set-Up Times.  (
  88. Georgis, Ch. (1992). Design and Implementation of the Graphics Portion of the Labyrinth System.  (
  89. Georgiou, Th. (1992). The Problem of Maximum Tardiness on One Machine with Setup Times.  (
  90. Constantopoulos, P., Nastos, D., Theodoridou, M., Yeorgaroudakis, Y., Savino, P., & Pancaccini, G.L. (1990). Man-Machine Interaction in Multimedia Document Retrieval: The MULTOS System.  (1990.TR023_The_MULTOS_System.pdf).
  91. Mylopoulos, J., Borgida, A.T., Jarke, M., & Koubarakis, M. (1990). TELOS : Representing Knowledge About Information Systems.  (1990.TR024_Representing_Knowledge_Information_Systems.pdf).
  92. Drakopoulos, J., & Constantopoulos, P. (1989). An Exact Algorithm for 2-D String Matching.  (1989.TR021_Algorithm_2-D_String_Matching.pdf).
  93. Chung, L., Katalagarianos, P., Marakakis, M., Mertikas, M., Mylopoulos, J., & Vassiliou, Y. (1989). From Information System Requirements to Designs : A Mapping Framework.  (1989.TR020_Mapping_Framework.pdf).
  94. Constantopoulos, P., Drakopoulos, J., & Yeorgaroudakis, Y. (1989). Retrieval of Multimedia Documents by Pictorial Content : A Prototype System.  (1989.TR022_Retrieval_Multimedia_Documents_Pictorial_Content.pdf).
  95. Koubarakis, M., Mylopoulos, J., Stanley, M., & Borgida, A.T. (1989). Telos : Features and Formalization.  (1989.TR018_TELOS_Features_Formalization.pdf).
  96. Constantopoulos, P., Orphanoudakis, S.C., & Petrakis, E.G.M. (1988). An Approach to Multimedia Document Retrieval on the Basis of Pictorial Content.  (1988.TR011_Basis_Pictorial_Content.pdf).
  97. Constantopoulos, P., Theodoridou, M., & Yeorgaroudakis, Y. (1988). Flexible Query Formulation for Multimedia Document Retrieval.  (1988.TR009_Flexible_Query_Formulation.pdf).
  98. Constantopoulos, P., Drettakis, G., Petra, E., Theodoridou, M., & Yeorgaroudakis, Y. (1988). Iterative Design of User Interfaces for an Office System using a UIMS.  (1988.TR010_User_Interfaces_for_an_Office_System.pdf).
  99. Binot, J.L., Demoen, B., Hanne, K.H., Levy, S., Vassiliou, Y., von Hahn, W., & Wachtel, T. (1988). LOKI: A Logic Oriented Approach to Data and Knowledge Bases Supporting Natural Language Interaction.  (1988.TR015_LOKI.pdf).
  100. Koubarakis, M., Mylopoulos, J., Stanley, M., & Jarke, M. (1988). Telos : A Knowledge Representation Language for Requirements Modelling.  (1988.TR016_Language_TELOS.pdf).
  101. Constantopoulos, P. (1987). ESTIA: A Real-Time Consumer Control Scheme for Space Conditioning Usage under Spot Electricity Pricing.  (1987.TR002_ESTIA_Real-Time_Consumer_Control_Scheme.pdf).
  102. Jarke, M., Neumann, B., Vassiliou, Y., & Wahlster, W. (1987). KBMS Requirements of Knowledge-Based Systems.  (1987.TR004_KBMS_Requirements.pdf).
  103. Drettakis, G., & Prevelakis, V. (1987). Modifying Unix to Support 8-Bit Characters.  (1987.TR005_Support_8-Bit_Characters.pdf).
  104. Mamalaki, M., Marakakis, M., Mertikas, M., Topaloglou, Th., & Vassiliou, Y. (1987). On the Development of Information Systems - From Requirements Modeling to Systems Design -.  (1987.TR006_From_Requirements_Modeling_to_System_Design.pdf).
  105. Borgida, A.T., Jarke, M., Mylopoulos, J., Schmidt, J.W., & Vassiliou, Y. (1987). The Software Development Environment as a Knowledge Base Management System.  (1987.TR003_Knowledge_Base_Management_System.pdf).

M.S. Theses

  1. Papadakis, N. (2022). ComDEX : a context-aware federated platform for IoT-enhanced communities. December 2022.
  2. Ntallaris, E. (2022). Increasing the efficiency of data rebalancing in the Redis distributed key-value store. March 2022.
  3. Meladakis, K. (2022). Transforming Transactional BPMN2.0 Business Processes to Function-as-a-Service (FaaS) Workflows on OpenWhisk. November 2022.
  4. Chaniotakis, V (2021). A scalable data science platform built on open source technologies with application of predictive analytics on acute Respiratory Distress Syndrome disease. March 2021.
  5. Arvaniti-Bofili, M. (2021). Exploring real-time data analytics using distributed stream processing systems . February 2021.
  6. Baritakis , P. (2021). Interoperability over meteorological and spatial big data warehouse. July 2021.
  7. Nikas, Ch. (2021). Keyword search with multiple interactive perspectives and question answering over RDF datasets. February 2021.
  8. Stylianakis, E. (2020). Bioinformatic analysis of intra and inter population HLA diversity in Crete for the creation of a regional public cord blood bank. August 2020.
  9. Manioudakis, K. (2020). Faceted search with object ranking and answer size constraints. February 2020.
  10. Kardoulakis, N. (2020). HInT: hybrid and incremental type discovery for large RDF data sources . November 2020.
  11. Zervoudakis, P. (2020). Incremental evaluation of continuous analytic queries in a high-level query language. March 2020.
  12. Kadilierakis, G. (2020). Keyword search over RDF using document-centric information retrieval systems. January 2020.
  13. Astrinaki, M. (2019). An open and interactive pipeline for variant analysis and downstream exome sequencing analysis. December 2019.
  14. Kreatsoulas, Κ. (2019). CAPhone: a collective awareness platform for expressing privacy concerns and expectations on smartphone applications. March 2019.
  15. Basina , N. (2019). ECAVI: A tool for event calculus analysis and visualization. March 2019.
  16. Agathangelos, G. (2019). LAWA : locality aware partitioning for efficient query answering over RDF data. March 2019.
  17. Politaki, E. (2019). Modelling and dynamic selection of adaptation rules for multi-cloud applications . July 2019.
  18. Sgontzos, K. (2019). On achieving high quality user reviews retrieval in the context of conversational faceted search. February 2019.
  19. Dimitrakis, E. (2019). Open domain question answering over hundreds of linked open datasets. February 2019.
  20. Tsabanaki, N. (2018). A commonsense - driven model of belief revision for dynamic domains using the event calculus. March 2018.
  21. Hompis , G. (2018). CAPPA : a collective awareness platform for privacy policy annotation. July 2018.
  22. Kokolaki , A. (2018). Facetize: an interactive tool for cleaning and transforming datasets for facilitating their exploration. September 2018.
  23. Yannakis, T. (2018). Optimizations for the query language SPARQL - LD. 2018.
  24. Zourbakis , N. (2018). Solving simulated application scenarios with the use of Commonsense Reasoning . July 2018.
  25. Papadaki, M-E (2017). A 3D model for visualizing the LOD cloud
  26. Glabedakis, V. (2017). A big data analytics system based on a high level query language using Apache Spark
  27. Karniavoura, F. (2017). A measurement based approach to performance prediction in NoSQL systems
  28. Ymeralli, E. (2017). Apopsis: a web-based platform for the analysis of structured dialogues
  29. Pappas, A. (2017). Exploring importance measures for summarization on graph databases
  30. Ramoutsaki , I. (2017). Ontology based semantic annotation of business processes with semi-automated suggestions and processing of semantic queries in business process models.  (pdf).
  31. Lionakis, P (2017). Preference - enriched faceted search for geographical data
  32. Gouidis, F. (2017). Repairing of sequential plans in dynamic environments
  33. Dimitraki , K. (2017). Semantic Annotations for BPMN models : extending SeMFIS for supporting ontology reasoning and query functionalities .  (pdf).
  34. Lilitsis, P. (2017). Travel companion : a mobile system for trip assistance relying on artificial intelligence and augmented reality
  35. Metallidis , D. (2016). A distributed cross-layer monitoring system based on QoS metrics models. November 2016.
  36. Kalligiannakis, V. (2016). Caching for Client-side Browsing of SPARQL Endpoints. July 2016.
  37. Mountantonakis, M. (2016). Indexes and algorithms for measuring the connectivity of Linked Data. July 2016.
  38. Anifantis, N. (2016). Mappings Management for Ontology-based Integration.  (pdf).
  39. Baritakis, M. (2016). Using Linked Data for Named Entity Extraction and Disambiguation. February 2016.
  40. Seliniotaki, A. (2015). Stream correlation monitoring for uncertainty - aware data processing systems. July 2015.
  41. Chortis, M. (2014). A Diagnosis and Repair Framework for DL-LiteA KBs.  (pdf).
  42. Smyrnaki, O. (2014). Design and implementation of a semi-automatic tool for mapping source schemas to target ontologies.  (pdf).
  43. Avgoustaki, A. (2014). Provenance Management in SPARQL Updates.  (pdf).
  44. Saveta, Tz. (2014). SPIMBench: A Scalable, Schema-Aware Instance Matching Benchmark for the Semantic Publishing Domain .  (pdf).
  45. Papadakis, E. (2014). Temporal topology on fuzzy space-time volumes. November 2014.
  46. Asaridis, Ch. (2013). A Query Formulation Tool for Semantic.  (pdf).
  47. Papakonstantinou, V. (2013). Controlling Access to RDF Data using Abstract Models.  (pdf).
  48. Kargakis, Y. (2013). Conversion and Emulation-aware Dependency Reasoning for the Needs of Digital Preservation.  (pdf).
  49. Skouradaki, M. (2013). Enhancing learning management systems (LMS) with the use of web technologies. 
  50. Kitsos, I. (2013). Entity-based Summarization of Web Search Results using MapReduce.  (pdf).
  51. Lantzaki, Ch. (2013). On Computing Deltas of RDF/S Knowledge Bases with Blank Nodes.  (pdf).
  52. Tsamis, G. (2012). 3D Schema Matching Tool.  (pdf).
  53. Kleisarchaki, S. (2012). A Methodological Framework for Statistical Analysis of Social Media Text.  (pdf).
  54. Efthymiou, V. (2012). A real-time semantics-aware activity recognition system.  (pdf).
  55. Troullinou, G. (2012). Context-Aware Multimedia Content Adaptation Framework. November 2012.
  56. Tzompanaki, K. (2012). Design and Implementation of a tool for formulating recall-oriented structured queries on semantic networks.  (pdf).
  57. Koutraki, M. (2012). Exploiting Semantic Web Technologies in the Management of a Smart Classroom. September 2012.
  58. Fafalios, P. (2012). Indexes and Algorithms for Scalable and Flexible Instant Overview Search.  (pdf).
  59. Tachmazidis, I. (2012). Large scale nonmonotonic reasoning. July 2012.
  60. Konsolaki, K. (2012). Monitoring QoS for Composite Web Services. June 2012.
  61. Strubulis, Ch. (2012). Reasoning and Evolution of Event-based Provenance Information. October 2012.
  62. Zografistou, D. (2012). Support for context-aware healthcare in Ambient Assisted Living.  (pdf).
  63. Genitsaridi , I. (2011). An Authorization Language in Ambient Intelligence Environments.  (pdf).
  64. Psaraki, M. (2011). Compact Archiving of Multiple (possibly Versioned) RDF/S Triple Sets. July 2011.
  65. Melessanakis, V. (2011). Design and development of a platform for the management and collaborative identification of co-reference on digital resources.  (pdf).
  66. Daskalaki, E. (2011). Development and experimental evaluation of an ontology to ontology schema & instance matching system.  (pdf).
  67. Vouzoukidou, N. (2011). Evaluating Continuous Top-k Queries over Text Streams.  (pdf).
  68. Anagnostopoulos-Tsialiamanis, P. (2011). Heuristic Optimization of SPARQL queries over Column-Store DBMS.  (pdf).
  69. Manolis, N. (2011). Interactive Exploration of Fuzzy RDF Knowledge Bases.  (pdf).
  70. Kampouraki, M. (2011). Managing the Specificity of Ontological Descriptions under Ontology Evolution. February 2011.
  71. Hatzivasilis, G. (2011). Multi-Agent Distributed Epistemic Reasoning in Ambient Intelligence Environments.  (pdf).
  72. Kourdounakis, H. (2011). Subscription Indexes for Web Syndication Systems.  (pdf).
  73. Filippaki, Ch. (2011). Using Constraint Optimization for Conflict Resolution and Detail Control in Activity Recognition.  (pdf).
  74. Ranoutsou, E. (2010). A Byzantine music framework using semantics and collaborative filtering recommendations. March 2010.
  75. Linardakis, G. (2010). A Digital Rights management System based on Semantic Rules.  (pdf).
  76. Papatheodorou, C. (2010). A Distributed Defeasible Reasoning System for Mobile Devices in Ambient Intelligence Environments.  (pdf).
  77. Boutsika, K. (2010). Computer Supported Collaborative Factual Argumentation and Conflict Resolution.  (pdf).
  78. Marketakis, Y. (2010). Conceptual Modeling and Tools for Digital Preservation.  (pdf).
  79. Papavasileiou, V. (2010). Detecting Deterministically High-level Changes for RDF/S Knowledge Bases.  (pdf).
  80. Armenatzoglou, N. (2010). Efficient Faceted Exploration Services for Big Volumes of Information.  (pdf).
  81. Roussakis, I. (2010). Personalizing Declarative Repairing Policies for Curated KBs.  (pdf).
  82. Papadakis, M. (2010). Set Cover-based Results Caching for Best Match Retrieval Models.  (pdf).
  83. Kriara, L. (2009).  Experimenting with the fingerprinting method using signal- based measurements for providing positioning information to location- based applications.  (pdf).
  84. Androulakis, I. (2009). A Semantic Peer-to-Peer Marketplace Hosting Trusted Negitiations Among Intelligent Agents.  (pdf).
  85. Kalaitzaki, M. (2009). Design and Implementation of a System for Semantic Schema Matching.  (pdf).
  86. Zeginis, Ch. (2009). Monitoring the QoS of Web Services using SLAs - Computing metrics for composed services. April 2009.
  87. Velegrakis, D. (2009). Outlier Detection over Data Streams using Statistical Modeling and Density Neighborhoods.  (pdf).
  88. Pediaditis, P. (2009). Querying and Updating RDF/S Named Graphs.  (pdf).
  89. Kopidaki, S. (2009). Results Clustering in Web Searching.  (pdf).
  90. Baryannis, G. (2009). The Frame Problem in Web Service Specifications.  (pdf).
  91. Tampakis, I. (2008).  Automating Commonsense Reasoning: A Satisfiability-Based Commonsense Reasoning System Incorporating a Tool for Measuring the SAT Progress.  (pdf).
  92. Michou, M. (2008). A Semantics-based user Model for the Support of Personalized, Context - Aware Navigational Services .  (pdf).
  93. Konstantinidis, G. (2008). Belief Change in Semantic Web Environments.  (pdf).
  94. Kitsou, G. (2008). Data - Quality Metrics in RDF - based PDMSs.  (pdf).
  95. Zeginis, D. (2008). On Computing Deltas of RDF/S Knowledge Bases.  (pdf).
  96. Kutsuras, Th. (2008). P2P Service Provisioning In The Axml Framework.  (pdf).
  97. Andreou, D. (2008). Semantic Web Middlewares and Versioning Services.  (pdf).
  98. Kritsotakis, E. (2008). Semantics-based Navigation for a Contextual Guide .  (pdf).
  99. Nikoloudakis, E. (2008). Semantics-based User Tracking and Dynamic Re-Planning for a Contextual Guide.  (pdf).
  100. Tsisparas, V. (2008). Trial & Error: Data Transformation and Provenance techniques in Scientific Workflows.  (pdf).
  101. Dimaresis, N. (2007). A System for Modal and Deontic Defeasible Reasoning.  (pdf).
  102. Zikou, I. (2007). Addressing the conference review assignment problem via reduction to integer linear programming. September 2007.
  103. Paparis, G. (2007). Design and Implementation of Student Portal Services with use of Web Services. September 2007.
  104. Rousidis, I. (2007). Identifying Trends in Recommendation Algorithms.  (pdf).
  105. Theoharis, I. (2007). On Power Laws and the Semantic Web.  (pdf).
  106. Zebide, A. (2007). Personalized Rule-based E-learning using Semantic Web Technologies.  (pdf).
  107. Kapantaidakis, I. (2007). Query Ordering Based Top-K Algorithms for Qualitatively Specified Preferences.  (pdf).
  108. Kondylakis, H. (2006). Quete: Query Processing in Distributed Database Systems.  (pdf).
  109. Manakanatas, D. (2006). Design and Implementation of a tool for semi-automated semantic schema matching.  (pdf).
  110. Antonakaki, D. (2006). Mining the Biomedical Literature. The MineBioText System: Discovery of Gene, Protein and Disease Correlations. April 2006.
  111. Sahtouris, S. (2006). Rul: A Declarative Language for Updating RDF Data.  (pdf).
  112. Tabakaki, E. (2006). The construction of a documentation ontology for seals and signet rings of the Aegean Bronze Age with the use of the Resource Description Framework (RDF).  (pdf).
  113. Chrysakis, I. (2006). Top-K Query Processing in Schema-Based Peer-To-Peer Networks.  (pdf).
  114. Misargopoulos, A. (2005). A Framework for High-Performance Relational Join Queries Scheduling in Distributed Database Systems over Grid-aware Architectures.  (pdf).
  115. Kritsotaki, A. (2005). A model for defining periods.  (pdf).
  116. Patkos, Th. (2005). A Semantic Marketplace of Peers Hosting Negotiating Intelligent Agents.  (pdf).
  117. Skoulariki, D. (2005). A system for the cultural and bibliographic documentation of exhibits. Examples from the Archaeological Museum of Abdera.  (pdf).
  118. Skylogiannis, Th. (2005). Automated Negotiation and Semantic Brokering with Intelligent Agents using Defeasible Logic.  (pdf).
  119. Papagelis, E. (2005). Crawling The Algorithmic Foundations of Recommendation Technologies.  (pdf).
  120. Petraki, M. (2005). Evaluating the reliability of system configurations for long term digital preservation.  (pdf).
  121. Stratakis, M. (2005). Formal Model for the Representation of User Preferences Regarding Object Collection Orderings.  (pdf).
  122. Kanterakis, A. (2005). Gene Selection and Clustering Microarray Data: The Minegene System. 2005.
  123. Sidirourgos, E. (2005). Indexing Views to Route and Plan Queries in a Peer Data Management System.  (pdf).
  124. Koffina, I. (2005). Integrating XML data sources using RDF/S Schemas: The ICS- FORTH Semantic Web Integration Middleware (SWIM).  (pdf).
  125. Serfiotis, G. (2005). Optimising and Reformulating RQL Queries on the Semantic Web.  (pdf).
  126. Koukouraki, M. (2005). Pots as utilitarian Objects. Design of a documentation system for the user of the ancient pottery.  (pdf).
  127. Kokkinidis, G. (2005). Semantic Query Routing and Planning in Peer-to-Peer Database Systems: The Sqpeer Middleware.  (pdf).
  128. Alevizou, V. (2005). Web Service Composition Based on Enhanced Specifications.  (pdf).
  129. Xanthopoulos, N. (2005). Web Service Provisioning Over Peer-to-Peer Networks.  (pdf).
  130. Bikakis, A. (2004). A System for Nonmonotoic Rules on the Web.  (pdf).
  131. Gkikas, Ch. (2004). Authentication and Authorization Mechanisms for Scientific Workflows.  (pdf).
  132. Stamatogiannakis, E. (2004). Bluetooth Based Personal Area Network Architectures.  (pdf).
  133. Nikainas, L. (2004). Development of Business Model for Museum Proceses. Design and development of Negotiation Support System.  (pdf).
  134. Karvounarakis, S. (2004). E-services Composition Languages and Platforms.  (pdf).
  135. Kaftaki, R. (2004). Location Aware Information System.  (pdf).
  136. Dimokas, N. (2004). Sharing and Management of Relational Data in Peer-to Peer Networks.  (pdf).
  137. Zacharioudakis, G. (2004). Smart Services Discovery Protocols over Bluetooth ad- hoc Personal Area Networks.  (pdf).
  138. Athanasis, N. (2004). SWPG: Semantic web portal generator.  (pdf).
  139. Smardas, A. (2003). Agent- Based Runtime System for Workflow Execution. April 2003.
  140. Tzobanakis, E. (2003). An Annotation System for Digital Documents.  (pdf).
  141. Kontogiannis, V. (2003). CREBITEL Multilingual Semantic Map for Web-Based Access to Art Conservation Knowledge Bases.  (pdf).
  142. Tourtounis, S. (2003). Labeling Schemes for the Semantic Web.  (pdf).
  143. Tzorbatzaki, A. (2003). Reification Support in the Model of RDF S.  (pdf).
  144. Magkanaraki, A. (2003). RVL: A View Definition Language for RDF S.  (pdf).
  145. Lina, M.Ch. (2002). Agent-based models of differentiated markets on the Internet. December 2002.
  146. Kritikos, K. (2002). Distributed Storage System of Workflows of Scientific Objects. December 2002.
  147. Katzagiannaki, E.I. (2002). Information dissemination based on semantic relations.  (pdf).
  148. Doulgeraki, P. (2002). Μεθοδολογία Βασισμένη σε Πράκτορες για Μοντελοποίηση Επιχειρησιακών Διαδικασιών . April 2002.
  149. Flouris, G. (2001). Belief Revision in Knowledge Bases.  (pdf).
  150. Aggelopoulou, Th. (2001). A Thematic Classification System of Ottoman written documents of the Turkish Archive in Heraklion.  (pdf).
  151. Lipa, V. (2001). An archival and documentation system for architectural structures: the Gavdos paradigm.  (pdf).
  152. Naoumidou, N. (2001). An electronic documentation system for physicochemical analysis of ceramics.  (pdf).
  153. Damala, A. (2001). An Electronic System for the Support of Historical and Archaeological Representations Based on Interrelated Heterogeneous Data with the Use of Multimedia: The example of Byzantine Veroia.  (pdf).
  154. Partsanaki, V. (2001). Creation of XML Schema Generator from the Conceptual Reference Model CIDOC.  (pdf).
  155. Chadjidakis, M. (2001). Design of a Computer-aided Conservation Documentation System.  (pdf).
  156. Giannoulia, I. (2001). Design of Cultural Web Sites: The Case of the Historical Museum of Crete.  (pdf).
  157. Papadopoulos, N. (2001). Development of a system that provides adaptive recommendation services, based on dynamic user-communities management.  (pdf).
  158. Matsaridis, G. (2001). Guide terms. Their conceptual representation and the global validity of their semantic parameters in the data modeling in thesaurus management systems.  (pdf).
  159. Katiniou, E. (2001). Indexing and documentation system of art magazines.  (pdf).
  160. Sisamakis, N. (2001). Semantic design of an informational system for the assistance of conservation procedures on the wood - sculptured iconostases of the Hellas.  (pdf).
  161. Alexaki, S. (2001). Storage of RDF Metadata for Community Web Portales.  (pdf).
  162. Karvounarakis, G. (2000). A declarative RDF metadata query language for Community Web Portals.  (pdf).
  163. Charitaki, I. (2000). Functional design of information system for Venetian Chandax in the Historical Museum of Crete.  (pdf).
  164. Fritzalas, E. (2000). Maistor: A Structural Documentation System for Buildings.  (pdf).
  165. Kouvaris, K. (2000). Μέθοδοι και Εργαλεία για Ανάπτυξη και Σχεδίαση Συστημάτων Δοσοληψιών σε Βάσεις Δεδομένων .  (pdf).
  166. Chryssos, A. (1999). A Semantic Browsing System for Knowledge Bases.  (pdf).
  167. Ntoas, D. (1999). Economy and Consistency in Thesauri.  (pdf).
  168. Velegrakis, I. (1998).  Declarative Specification of Z39.50 wrappers using Description Logic.  (pdf).
  169. Kementsietsidis, A. (1998). DTD Specific Parser Generator , DSPG.  (pdf).
  170. Yiortsou, A. (1998). Introducting Temporal Dimension in the Semantic Index System.  (pdf).
  171. Zidianakis, I. (1998). TELQUEL: A Query Language for SIS.  (pdf).
  172. Toliou, A. (1998). Word Wide Web Gateway to the Semantic Index System.  (pdf).
  173. Fountoulaki, E. (1997). A diagnostic support system for engineering appliations.  (pdf).
  174. Sintichakis, M. (1997). Monolingual Thesauri Mercing.  (pdf).
  175. Margariti, G. (1997). Performance metrics for the cache management mechanism of the Semantic Index System.  (pdf).
  176. Trapsioti, A. (1997). SGML Document Management in Knowledge Bases.  (pdf).
  177. Daskalakis, D. (1996).  Interactive update of object- oriented databases.  (pdf).
  178. Kiprioti, M. (1996). Analogical guidance of software analysis and specification process.  (pdf).
  179. Hamilakis, Ch. (1996). Constraction of a Federated Schema for a FDBS from Local Relational Schemeta.  (pdf).
  180. Gritzapi, Ch. (1996). Data transfer from a relational to an object-oriented database.  (pdf).
  181. Toulis, S. (1996). Design and Implementation of a document annotation system.  (pdf).
  182. Ksouris, G. (1995). A System for Configuration Management.  (pdf).
  183. Theodorakis, E. (1995). Name Scope In Semantic Data Models.  (pdf).
  184. Papadakis, D. (1995). Parallel Tabu Search Algorithms for the Flow- Shop Problem.  (pdf).
  185. Tzitzikas, I. (1995). View Upadates in Knowledge Bases.  (pdf).
  186. Georgiannakis, G. (1994). A Strorage and Memory Management Mechanism for Objects in TELOS.  (pdf).
  187. Christoforaki, M. (1994). Cultural documentation with system CLIO.  (pdf).
  188. Pataki, E. (1993). Design and Implementation of a Tool for Selecting Reusable Software. June 1993.
  189. Kopidakis, I. (1993). Interpolation Algorithms for the Flowshop Scheduling Problem.  (pdf).
  190. Haritonides, K. (1993). One machine bicriterion scheduling with Set-Up Times.  (pdf).
  191. Ntantouris, K. (1993). Programmatic Query Interface abd Query Processing for the TELOS Language. December 1993.
  192. Halkia, K. (1993). Syntactical Software Substitution.  (pdf).
  193. Tsatsakis, N. (1993). The problem of Total Completion Time of n Jobs on One Machine with Set- Up Times.  (pdf).
  194. Vezeridis, K. (1993). Σχεδίαση Βάσης Πληροφοριών Λογισμικού Αναχρησιμοποιήσιμου από Κοινότητα Προγραμματιστών . February 1993.
  195. Georgiou, Th. (1991). The problem of Maximum Tardiness in One Machine with Set- Up Times.  (pdf).
  196. Katalagarianos, P. (1990).  The implementation of a mapping assistant: From requirements to design. December 1990.
  197. Lalioti, V. (1990). Tools for Program Animation. December 1990.
  198. Topaloglou, Th. (1989). An Extended Implementaion of Telos. November 1989.
  199. Mertikas, M. (1989). From requirements specification to conceptual design of information systems. November 1989.

Ph.D. Theses

  1. Varsos, C. (2022). Study on the Effect of Misinformation in Multi-Agent Systems. March 2022.
  2. Papaioannou, A. (2021). Efficient adaptation mechanisms for improving performance during internal or external changes in distributed data stores.  (pdf).
  3. Mountantonakis, M. (2020). Services for Connecting and Integrating Big Number of Linked Datasets. July 2020.
  4. Zografistou, D. (2019).  ArgQL: Querying Argumentative Dialogues using a Formal, Structured Language. December 2019.
  5. Efthymiou, V. (2017). Entity resolution in the Web of data. November 2017.
  6. Fafalios, P. (2016). Exploiting linked data in exploratory search. May 2016.
  7. Baryannis, G. (2014). A Novel Specification and Composition Language for Services.  (pdf).
  8. Zeginis, Ch. (2014). Cross-Layer Monitoring and Adaptation of Multi-Cloud Service-Based Applications. October 2014.
  9. Papadakos, P. (2013). Interactive Exploration of Multi-Dimensional Information Spaces with Preference Support.  (pdf).
  10. Patkos, Th. (2010). A Formal Theory for Reasoning About Action, Knowledge and Time.  (pdf).
  11. Kondylakis, H. (2010). Ontology Evolution in Data Integration.  (pdf).
  12. Bikakis, A. (2009). Defeasible Contextual Reasoning in Ambient Intelligence.  (pdf).
  13. Kritikos, K. (2008). QoS- Based Web Service Description and Discovery.  (pdf).
  14. Flouris, G. (2006). On Belief Change and Ontology Evoolution.  (pdf).
  15. Papadakis, N. (2004). Action Theories in Temporal Databases.  (pdf).
  16. Tzitzikas, I. (2002). Collaborative Ontology- based Infromation Indexing and Retrieval.  (pdf).
  17. Theodorakis, E. (2001). Contextualization: An Abstraction Mechanism for Information Modeling.  (pdf).
  18. Spanoudakis, G. (1994). Analogical Similarity of Objects: A Conceptual Modeling Approach. December 1994.
  19. Katalagarianos, P. (1994). Employing Genericity and Case- Based Reasoning to Effectively Reuse Code. June 1994.

Other Technical Reports

  1. Varsos, C., Flouris, G., & Bitsaki, M. (2023). Noisy Games: A Study on the Effect of Noise on Game SpecificationsPreprint, appearing in ArXiV:2307.01516, 2023.
  2. Psaraki, M., & Tzitzikas, Y. (2019). CPOI: A Compact Method to Archive Versioned RDF Triple-Sets
  3. Papantoniou, K., & Tzitzikas, Y. (2019). CS563-QA: A Collection for Evaluating Question Answering Systems arXiv:1907.01611, [cs.CL], coRR, 2019
  4. Roussakis, I., Chrysakis, I., Stefanidis, K., Flouris, G., & Stavrakas, Y. (2015). A Flexible Framework for Defining, Representing and Detecting Changes on the Data WebIn arXiv:1501.02652
  5. Baláž, M., Frtús, J., Homola, M., Šefránek, J., & Flouris, G. (2014). Embedding Defeasible Logic Programs into Generalized Logic Programs (Extended Version). Technical Reports in Informatics TR-2014-043. Comenius University of Bratislava
  6. Homola, M., Patkos, Th., Flouris, G., Frtús, J., Šimko, A., Šefránek, J., Zografistou, D., & Baláž, M. (2014). Resolving Conflicts in Knowledge for Ambient Intelligence. Technical Reports in Informatics TR-2014-041. Comenius University of Bratislava
  7. Tzitzikas, Y. (2013). A Simple Method to Produce Algorithmic MIDI Music based on Randomness, Simple Probabilities and Multi-Threading
  8. Doerr, M., Gradmann , S., Le Boeuf, P., Aalberg, T., Bailly, N., & Olensky, M. (2013). Final Report on EDM – FRBRoo Application Profile Task Force. May 2013.
  9. Stefanidis, K., & Pitoura, E. (2013). Finding the Right Set of Users: Generalized Constraints for Group Recommendations
  10. Baláž, M., Flouris, G., Frtús, J., Homola, M., Patkos, Th., Šefránek, J., Šimko, A., & Zografistou, D. (2013). KR Methods to Deal with Conflicts in AmI Systems. Univerzita Komenského v Bratislave TR-041, 2013
  11. Doerr, M., & Tzitzikas, Y. (2012). Information Carriers and Identification of Information Objects: An Ontological Approach. 1201.0385.
  12. Damásio, C.V., Analyti, A., & Antoniou, G. (2012). Provenance for SPARQL queries. 1209.0378.
  13. Analyti, A., Antoniou, G., Damásio, C.V., & Wagner, G. (2011). Extended RDF as a Semantic Foundation of Rule Markup Languages. 1111.0055.
  14. Meghini, C., Tzitzikas, Y., Coltella, V., & Analyti, A. (2011). Query processing in distributed, taxonomy-based information sources. 1109.2425.
  15. Hickson, M., Kargakis, Y., & Tzitzikas, Y. (2011). Similarity-based Browsing over Linked Open Data. 1106.4176.
  16. Papadakos, P., Theoharis, Y., Marketakis, Y., Armenatzoglou, N., & Tzitzikas, Y. (2009). Object-Relational Database Representations for Text Indexing. abs/0906.3112.
  17. Papadakos, P., Vasiliadis, G., Theoharis, Y., Armenatzoglou, N., Kopidaki, S., Marketakis, Y., Daskalakis, M., Karamaroudis, K., Linardakis, G., Makrydakis, G., Papathanasiou, V., Sardis, L., Anagnostopoulos-Tsialiamanis, P., Troullinou, G., Vandikas, K., Velegrakis, D., & Tzitzikas, Y. (2008). The Anatomy of Mitos Web Search Engine. abs/0803.2220.
  18. Meghini, C., Tzitzikas, Y., & Analyti, A. (2007). Query Evaluation in P2P Systems of Taxonomy-based Sources: Algorithms, Complexity, and Optimizations
Found: 341 publications