Publications

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Raftopoulou P, Petrakis E.G.M..  2008.  iCluster: a Self-Organizing Overlay Network for P2P Information Retrieval. Proceedings of 30th European Conference on Information Retrieval (ECIR).
Margaris D, Spiliotopoulos D, Vassilakis C.  2021.  Identifying Reliable Recommenders in Users' Collaborating Filtering and Social Neighbourhoods. Lecture Notes in Social Networks. :51–76.
Vassilakis C, Lorentzos N., Georgiadis P..  1998.  Implementation of transaction and concurrency control support in a temporal DBMS. Information Systems. 23:335–350.
Vassilakis C, Georgiadis P., Sellis TK.  1998.  Implementing Embedded Valid Time Query Languages. DEXA '98: Proceedings of the 9th International Conference on Database and Expert Systems Applications. :561–572.
Tryfonopoulos C, Koubarakis M.  2004.  Implementing Publish/Subscribe Systems with Languages from Information Retrieval on Top of Structured Overlay Networks. Proceedings of the International Workshop on Peer-to-Peer and IR (P2P&IR @ SIGIR).
Poulopoulos V, Papalexiou E, Vassilakis C, Xepapadakou A, Vraka V.  2023.  Implementing the infrastructure for Dimitris Papaioannou’s archive:approaching the degrees of separation in his work. DARIAH 2023 (poster presentation).
Allam A, Skiadopoulos S, Kalnis P.  2018.  Improved suffix blocking for record linkage and entity resolution. Data Knowl. Eng.. 117:98–113.
Margaris D, Vassilakis C.  2020.  Improving collaborative filtering’s rating prediction accuracy by considering users’ dynamic rating variability. International Journal of Big Data Intelligence. 7(2)
Margaris D, Vasilopoulos D, Vassilakis C, Spiliotopoulos D.  2019.  Improving Collaborative Filtering’s Rating Prediction Accuracy by Introducing the Common Item Rating Past Criterion. Proceedings of the 10th International Conference on Information, Intelligence, Systems and Applications (IISA2019).
Margaris D, Vassilakis C.  2020.  Improving collaborative filtering’s rating prediction coverage in sparse datasets by exploiting the “friend of a friend” concept. International Journal of Big Data Intelligence. 7(1)
Margaris D, Vasilopoulos D, Vassilakis C, Spiliotopoulos D.  2019.  Improving Collaborative Filtering’s Rating Prediction Coverage in Sparse Datasets through the Introduction of Virtual Near Neighbors. Proceedings of the 10th International Conference on Information, Intelligence, Systems and Applications (IISA2019).
Margaris D, Vassilakis C.  2017.  Improving Collaborative Filtering’s Rating Prediction Quality by Considering Shifts in Rating Practices. Proceedings of the 19th IEEE International Conference on business informatics (CBI17).
Margaris D, Spiliotopoulos D, Vassilakis C.  2019.  Improving Collaborative Filtering’s Rating Prediction Quality by Exploiting the Item Adoption Eagerness Information. Proceedings of the IEEE/WIC/ACM International Conference on Web Intelligence.
Margaris D, Vassilakis C.  2018.  Improving Collaborative Filtering's Rating Prediction Accuracy by Considering Users' Rating Variability. 2018 IEEE 16th Intl Conf on Dependable, Autonomic and Secure Computing, 16th Intl Conf on Pervasive Intelligence and Computing, 4th Intl Conf on Big Data Intelligence and Computing and Cyber Science and Technology Congress(DASC/PiCom/DataCom/CyberSciTech).
Margaris D, Vassilakis C.  2018.  Improving Collaborative Filtering's Rating Prediction Coverage in Sparse Datasets by Exploiting User Dissimilarity. 2018 IEEE 16th Intl Conf on Dependable, Autonomic and Secure Computing, 16th Intl Conf on Pervasive Intelligence and Computing, 4th Intl Conf on Big Data Intelligence and Computing and Cyber Science and Technology Congress(DASC/PiCom/DataCom/CyberSciTech).
Margaris D, Vassilakis C.  2017.  Improving Collaborative Filtering's Rating Prediction Quality in Dense Datasets, by Pruning Old Ratings. Proceedings of the 22nd IEEE Symposium on Computers and Communications (ISCC17).
Vassilakis C, Lepouras G, Rouvas S., Georgiadis P..  2003.  Improving e-Form Layout Through Analysis of Form Semantics and Validation Checks. CAiSE Short Paper Proceedings.
Lykourentzou I, Claude X., Naudet Y., Tobias E., Antoniou A, Lepouras G, Vassilakis C.  2013.  Improving museum visitors' Quality of Experience through intelligent recommendations: A visiting style-based approach. Proceedings of MASIE 2013 Workshop, co-located with the 9th International Conference on Intelligent Environments IE'13.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2010.  Improving performance of a wireless multimedia traffic-oriented network through prediction of routing. International Journal on Information Technologies & Security. 3:3-16.
Vasiliadis D.C., Rizos G.E., Vassilakis C.  2008.  Improving performance of finite-buffered blocking delta networks with 2-class priority routing through asymmetric-sized buffer queues. Proceedings - 4th Advanced International Conference on Telecommunications, AICT 2008. :23-29.
Margaris D, Vassilakis C, Georgiadis P..  2016.  Improving QoS Delivered by WS-BPEL Scenario Adaptation through Service Execution Parallelization. Proceedings of the 31st Annual ACM Symposium on Applied Computing. :1590-1596.
Chatzigeorgakidis G, Skoutas D, Patroumpas K, Athanasiou S, Skiadopoulos S.  2017.  Indexing Geolocated Time Series Data. Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, GIS 2017, Redondo Beach, CA, USA, November 7-10, 2017. :19:1–19:10.
Koubarakis M, Koutris T, Tryfonopoulos C, Raftopoulou P.  2002.  Information Alert in Distributed Digital Libraries: The Models, Languages, and Architecture of DIAS. Proceedings of the 6th European Conference on Research and Advanced Technology for Digital Libraries (ECDL).
Tryfonopoulos C, Koubarakis M, Drougas Y.  2009.  Information Filtering and Query Indexing for an Information Retrieval Model. ACM Transactions on Information Systems (TOIS). 27:1–47.
Raftopoulou P, Petrakis E.G.M., Tryfonopoulos C, Weikum G.  2008.  Information Retrieval and Filtering over Self-Organising Digital Libraries. Proceedings of the 12th European Conference on Research and Advanced Technology for Digital Libraries (ECDL).