Publications

Edited Books

Y. Manolopoulos, A.N. Papadopoulos and M. Vassilakopoulos (eds): "Spatial Databases: Technologies, Techniques and Trends", Idea Group Publishing, 2005.
Book Info @ IDEA

Book Translations

A. Rajaraman, J.D. Ullman: "Mining from Massive Datasets", Cambridge University Press, 2012.
Greek translation: A. Gounaris, Y. Manolopoulos, A.N. Papadopoulos, K. Tsichlas, New Technology Publications, 2014.

Co-authored Books

A.N. Papadopoulos, Y. Manolopoulos, K. Tsichlas: "Information Retrieval" (in Greek), Hellenic Academic Ebooks, 2016.
Book Web Site (in Greek)

Y. Manolopoulos, A.N. Papadopoulos, K. Tsichlas: "Graph Theory and Algorithms" (in Greek), New Technology Publications, 2014.

Y. Manolopoulos and A.N. Papadopoulos: "Database Systems: Theory and Practice" (in Greek), New Technology Publications, 2006.
Book Web Site (in Greek)

Y. Manolopoulos, A. Nanopoulos, A.N. Papadopoulos and Y. Theodoridis: "R-trees: Theory and Applications", Series in Advanced Information and Knowledge Processing, Springer, 2005.
Book Web Site , Book Info @ Springer

A.N. Papadopoulos and Y. Manolopoulos: "Nearest-Neighbor Search: a database perspective", Series in Computer Science, Springer, 2005.
Book Web Site , Book Info @ Springer

Book Chapters

A.N. Papadopoulos, K. Tsichlas, A. Gounaris, Y. Manolopoulos: "Access Methods", in Handbook of Database Systems , CRC Press, Taylor & Francis, 2013.
[Book Info]

A. Gounaris, A. Fernandes, A.N. Papadopoulos, C. Yfoulis, R. Sakellariou: "Parallel Query Processing on the Grid", in Parallel Programming and Applications in Grid, P2P and Networked-based Systems, IOS Press, 2009.
[Book Info]

K. Raptopoulou, A.N. Papadopoulos and Y. Manolopoulos: "Simple and Incremental Nearest-Neighbor Search in Spatiotemporal Databases", in Spatial Databases, Technologies, Techniques and Trends, IDEA Group Publishing, 2005.
[Book Info]

Short Articles

A.N. Papadopoulos, Y. Manolopoulos, Y. Theodoridis, V. Tsotras: "Grid File (and family)", In Encyclopedia of Database Systems, Springer, 2009.
[Encyclopedia Info]

A.N. Papadopoulos, A. Corral, A. Nanopoulos, Y. Theodoridis: "R-tree (and family)", In Encyclopedia of Database Systems, Springer, 2009.
[Encyclopedia Info]

E. Frentzos, Y. Theodoridis, A. N. Papadopoulos : "Spatio-Temporal Trajectories", In Encyclopedia of Database Systems, Springer, 2009.
[Encyclopedia Info]

D. Stojanovic, S. Djordjevic-Kajan, A. N. Papadopoulos and A. Nanopoulos: "Monitoring and Tracking Moving Objects in Mobile Environments", In Encyclopedia of Mobile Computing and Commerce, IDEA Group Publishing, 2006.
[Encyclopedia Info]

M. Kontaki, A. N. Papadopoulos and Y. Manolopoulos: "Similarity Search in Time-Series Databases", In Encyclopedia of Database Technologies and Applications, IDEA Group Publishing, 2005.
[Encyclopedia Info]

Technical Reports

Y. Manolopoulos, A. Nanopoulos, A.N. Papadopoulos and Y. Theodoridis: "R-trees Have Grown Everywhere", unpublished technical report, 2003. [PDF]

Papers in Journals

E. Tiakas, G. Valkanas, A.N. Papadopoulos, Y. Manolopoulos, D. Gunopulos: "Processing Top-k Dominating Queries in Metric Spaces", ACM Transactions on Database Systems (TODS), [best paper from EDBT 2014], 40(4), pp.1-38, 2016.

M. Kontaki, A. Gounaris, A. N. Papadopoulos, K. Tsichlas, Y. Manolopoulos: "Efficient and Flexible Algorithms for Monitoring Distance-Based Outliers over Data Streams", Information Systems, 55(C), pp.37-53, 2016.

G. S. Brodal, A. Kaporis, A. N. Papadopoulos, S. Sioutas, K. Tsakalidis, K. Tsichlas: "Dynamic 3-sided Planar Range Queries with Expected Doubly Logarithmic Time", Theoretical Computer Science (TCS), 526, pp.58-74, 2014.

E. Tiakas, A. N. Papadopoulos, Y. Manolopoulos: "On Estimating the Maximum Domination Value and the Skyline Cardinality of Multidimensional Data Sets", International Journal of Knowledge-Based Organizations (IJKBO), 3(4), pp.61-83, 2013.

M. Kontaki, A. N. Papadopoulos, Y. Manolopoulos: "Continuous Top-k Dominating Queries", IEEE Transactions on Knowledge and Data Engineering (TKDE), 24(5), pp.840-853, 2012.

E. Tiakas, A. N. Papadopoulos, Y. Manolopoulos: "Progressive Processing of Subspace Dominating Queries", The VLDB Journal, 20(6), pp.921-948, 2011.

E. Tiakas, A. N. Papadopoulos, A. Nanopoulos, Y. Manolopoulos: "Node and Edge Selectivity Estimation for Range Queries in Spatial Networks", Information Systems, 34(3), pp.328-352, 2009. [PDF]

E. Tiakas, A. N. Papadopoulos, A. Nanopoulos, Y. Manolopoulos, D. Stojanovic, S. Djordjevic-Kajan: "Searching for Similar Trajectories in Spatial Networks", Journal of Systems and Software, 82(5), pp.772-788, 2009. [PDF]

A. N. Papadopoulos, A. Lyritsis, Y. Manolopoulos: "SkyGraph: an algorithm for inportant subgraph discovery in relational graphs", Data Mining and Knowledge Discovery, [best papers from ECML/PKDD 2008] 17(1), pp.57-76, 2008. [PDF]

M. Kontaki, A. N. Papadopoulos, Yannis Manolopoulos: "Continuous Subspace Clustering in Streaming Time Series", Information Systems, Vol.33, No.2, pp.240-260, 2008. [PDF]

P. Symeonidis, A. Nanopoulos, A. N. Papadopoulos, Y. Manolopoulos: "Nearest-Biclusters Collaborative Filtering based on Constant and Coherent Values", Information Retrieval, Vol.11, pp.51-75, 2008. [PDF]

P. Symeonidis, A. Nanopoulos, A. N. Papadopoulos, Y. Manolopoulos: "Collaborative Recommender Systems: Combining Effectiveness and Efficiency", Expert Systems with Applications, Vol.34, No.4, 2008. [PDF]

D. Stojanovic, A. N. Papadopoulos, B. Predic, S. Djordjevic-Kajan, A. Nanopoulos: "Continuous Range Query Monitoring of Mobile Objects in Road Networks", Data and Knowledge Engineering, Special Issue with Selected Papers from the 8th International Conference on Enterprise Information Systems (ICEIS), 2007. [PDF]

M. Kontaki, A. N. Papadopoulos, Y. Manolopoulos: "Adaptive Similarity Search in Streaming Time Series with Sliding Windows", Data and Knowledge Engineering, Vol.63, No.2, pp.478-502, 2007. [PDF]

A. Nanopoulos, A. N. Papadopoulos, Y. Manolopoulos, T. Weltzer-Druzovec: "Robust Classification Based on Correlations Between Attributes", International Journal of Data Warehousing and Mining, vol.3, no.3, 2007. [PDF]

A. Nanopoulos, A. N. Papadopoulos and Y. Manolopoulos: "Mining Association Rules in Very Large Clustered Domains", Information Systems, Vol.35, No.5, pp.649-669, 2007. [PDF]

B Brumen, M.B. Juric, T. Weltzer, H. Jaakkola, A. N. Papadopoulos: "Assessment of Classification Models with Small Amounts of Data", Informatica, Vol.18, No.3, pp.343-362, 2007. [PDF]

I. Karydis, A. Nanopoulos, A. N. Papadopoulos, D. Katsaros, Y. Manolopoulos: "Music Information Retrieval in Wireless Ad-hoc Networks", IEEE Transactions on Audio, Speech and Language Processing, 2006. [PDF]

A. N. Papadopoulos, A. Nanopoulos and Y. Manolopoulos: "Processing Distance Join Queries with Constraints", The Computer Journal, vol.49, no.3, 2006. [PDF]

I. Karydis, A. Nanopoulos, A. N. Papadopoulos and Y. Manolopoulos: "Music Retrieval in P2P Networks Under the Warping Distance", Enterprise Information Systems VII (selected papers from ICEIS 2005), Springer, pp.53-60, 2006.

Y. Karydis, A. Nanopoulos, A. N. Papadopoulos and Y. Manolopoulos: "Evaluation of Similarity Searching Methods for Music Data in Peer-to-Peer Networks", International Journal of Business Intelligence and Data Mining, vol.1, no.2, 2005. [PDF]

K. Raptopoulou, Y. Manolopoulos, A. N. Papadopoulos: "Fast Nearest-Neighbor Search in Moving Object Databases", Geoinformatica, Vol.7, No.2, pp.113-137, 2003. [PDF]

A. N. Papadopoulos, Y. Manolopoulos: "Parallel Bulk-Loading of Spatial Data", Parallel Computing, Special Issue on High Performance Computing with Geographical Data, vol.29, no.10, pp.1419-1444, 2003. [PDF]

A. N. Papadopoulos and Y. Manolopoulos: "Distributed Processing of Similarity Queries", International Journal on Distributed and Parallel Databases, vol.9, no.1, pp.67-92, 2001. [PDF]

Y. Manolopoulos, E. Nardelli, A. N. Papadopoulos, and G. Proietti: "MOF-tree: A Spatial Data Structure to Manipulate Multiple Overlapping Features", Information Systems, vol.22, no.8, pp.465-481, 1997. [PDF]

A. N. Papadopoulos and Y. Manolopoulos Y.: "Nearest Neighbor Queries in Shared-Nothing Environmnets", Geoinformatica, vol.1, no.4, 1997. [PDF]

Papers in Conference and Workshop Proceedings

V. Kassiano, A. Gounaris, A. N. Papadopoulos, K. Tsichlas: "Mining Uncertain Graphs: an Overview", Proceedings of the 2nd International Workshop on Algorithmic Aspects of Cloud Computing (AlgoCloud 2016) , Aarhus, Denmark, 2016.

E. Tiakas, A. N. Papadopoulos, Y. Manolopoulos: "Top-k Dominating Queries: a Survey (invited)", Proceedings of the 17th International Symposium on Programming and Systems (ISPS'2015) , Algiers, Algeria, 2015. [PDF]

E. Tiakas, A. N. Papadopoulos, Y. Manolopoulos: "Skyline Queries: an Introduction (invited)", Proceedings of the 6th International Conference on Information, Intelligence, Systems and Applications (IISA'2015), Corfu, Greece, 2015. [PDF]

G. Valkanas, A. N. Papadopoulos, D. Gunopulos: "Skyline Ranking à la IR", Proceedings of the International Workshop on Exploratory Search in Databases and the Web (ExploreDB). Co-located with EDBT/ICDT, Athens, Greece, 2014. [PDF]

C. Loglisci, D. Malerba, A. N. Papadopoulos: "Mining Trajectory Data for Discovering Communities of Moving Objects", Proceedings of the International Workshop on Mining Urban Data (MUD). Co-located with EDBT/ICDT, Athens, Greece, 2014. [PDF]

E. Tiakas, G. Valkanas, A. N. Papadopoulos, Y. Manolopoulos, D. Gunopoulos: "Metric-Based Top-k Dominating Queries", Proceedings of the 17th International Conference on Extending Database Technology (EDBT), Athens, Greece, 2014. [PDF]

A. Kosmatopoulos, K. Tsichlas, A. N. Papadopoulos: "Dynamic Processing of Dominating Queries with Performance Guarantees", Proceedings of the 17th International Conference on Database Theory (ICDT), Athens, Greece, 2014. [PDF]

E. Valari, A. N. Papadopoulos: "Continuous Similarity Computation over Streaming Graphs", Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML/PKDD), Prague, Czech Republic, 2013. [PDF]

D. Georgiadis, M. Kontaki, A. Gounaris, A. N. Papadopoulos, K. Tsichlas, Y. Manolopoulos: "Continuous Outlier Detection in Data Streams: an Extensible Framework and State-of-the-Art Algorithms", Proceedings of the ACM SIGMOD International Conference on Management of Data, [demo track], New York, NY, USA, 2013. [PDF]

G. Valkanas, A. N. Papadopoulos, D. Gunopoulos: "SkyDiver: A Framework for Skyline Diversification", Proceedings of the 16th International Conference on Extending Database Technology (EDBT), Genoa, Italy, 2013. [PDF]

E. Valari, M. Kontaki, A. N. Papadopoulos: "Discovery of Top-k Dense Subgraphs in Dynamic Graph Collections", Proceedings of the 24th International Conference on Scientific and Statistical Database Management (SSDBM), Chania, Greece, 2012. [PDF]

M. Kontaki, A. Gounaris, A. N. Papadopoulos, K. Tsichlas, Y. Manolopoulos: "Continuous Monitoring of Distance-Based Outliers over Data Streams", Proceedings of the 27th IEEE International Conference on Data Engineering (ICDE), Hannover, Germany, 2011. [PDF]

A. Lyritsis, A. N. Papadopoulos, Y. Manolopoulos: "TAGs: Scalable Threshold-Based Algorithms for Proximity Computation in Graphs", Proceedings of the 14th International Conference on Extending Database Technology (EDBT), Uppsala, Sweden, 2011. [PDF]

E. Tiakas, A. N. Papadopoulos, Y. Manolopoulos: "Estimation of the Maximum Domination Value in Multi-Dimensional Data Sets", Proceedings of the 14th East-European Conference on Advances in Databases and Information Systems (ADBIS), Novi Sad, Serbia, 2010. [PDF]

G. Valkanas, A. N. Papadopoulos: "Efficient and Adaptive Distributed Skyline Computation", Proceedings of the 22nd International Conference on Scientific and Statistical Database Management (SSDBM), Heidelberg, Germany, 2010. [PDF]

A. Kaporis, A. N. Papadopoulos, S. Sioutas, K. Tsakalidis, K. Tsichlas: "Efficient Processing of 3-Sided Range Queries with Probabilistic Guarantees", Proceedings of the 13th International Conference on Database Theory (ICDT), Lausanne, Switzerland, 2010. [PDF]

M. Kontaki, A. N. Papadopoulos, Y. Manolopoulos: "Continuous Processing of Preference Queries in Data Streams" (invited paper), Proceedings of the 36th International Conference on Current Trends in Theory and Practice of Computer Science (SOFSEM), Czech Republic, 2010. [PDF]

A. N. Papadopoulos, A. Lyritsis, Y. Manolopoulos: "SkyGraph: An Algorithm for Important Subgraph Discovery in Relational Graphs", Best Knowledge Discovery Paper Award in ECML/PKDD 2008, Antwerp, Belgium, 2008. [PDF of journal version]

M. Kontaki, A. N. Papadopoulos, Y. Manolopoulos: "Continuous Trend-Based Clustering in Data Streams", Proceedings of the 10th International Conference on Data Warehousing and Knowledge Discovery (DaWaK), Turin, Italy, 2008. [PDF]

M. Kontaki, A. N. Papadopoulos, Y. Manolopoulos: "Continuous Top-k Dominating Queries in Subspaces", Proceedings of the 12th Panhellenic Conference on Informatics (PCI), Samos Island, Greece, 2008. [PDF]

A. N. Papadopoulos: "Trajectory Retrieval with Latent Semantic Analysis", Proceedings of the 23rd ACM Symposium on Applied Computing (ACM SAC), Track: Information Access and Retrieval, Fortaleza, Ceara, Brazil, March 16-20, 2008. [PDF]

M. Kontaki, A. N. Papadopoulos, Y. Manolopoulos: "Continuous k-Dominant Skyline Computation on Multidimensional Data Streams", Proceedings of the 23rd ACM Symposium on Applied Computing (ACM SAC), Track: Data Streams, Fortaleza, Ceara, Brazil, March 16-20, 2008. [PDF]

E. Tiakas, A. N. Papadopoulos, A. Nanopoulos, Y. Manolopoulos: "Selectivity Estimation in Spatial Networks", Proceedings of the 23rd ACM Symposium on Applied Computing (ACM SAC), Track: Advances in Spatial and Image-Based Information Systems, Fortaleza, Ceara, Brazil, March 16-20, 2008. [PDF]

I. Karydis, A. Nanopoulos, A. N. Papadopoulos, E. Cambouropoulos: "VISA: The Voice Integration/Segregation Algorithm", Proceedings of the 8th International Conference on Music Information Retrieval (ISMIR), Vienna, Austria, September 23-27, 2007. [PDF]

S. Ougiaroglou, A. Nanopoulos, A. N. Papadopoulos, Y. Manolopoulos, T. Welzer-Druzovec: "Adaptive k-Nearest Neighbor Classification Based on a Dynamic Number of Nearest Neighbors", Proceedings of the 11th East-European Symposium on Advances in Databases and Information Systems (ADBIS), Varna, Bulgaria, 2007. [PDF]

A. N. Papadopoulos, A. Lyritsis, A. Nanopoulos, Y. Manolopoulos: "Domination Mining and Querying", Proceedings of the 9th International Conference on Data Warehousing and Knowledge Discovery (DaWaK),, Regensburg, Germany, 2007. [PDF]

I. Karydis, A. Nanopoulos, A. N. Papadopoulos, E. Cambouropoulos, Y. Manolopoulos: "Horizontal and Vertical Integration/Segregation in Auditory Streaming: A Voice Separation Algorithm for Symbolic Musical Data", Proceedings of the 4th Sound and Music Computing Conference (SMC), Lefkada, Greece, July 11-13, 2007. [PDF]

A. Nanopoulos, A. Nikolaidis, A. N. Papadopoulos: "Broadcasting Images in Wireless Networks", Proceedings of the 8th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WOWMOM), IEEE, Helsinki, Finland, 2007. [PDF]

E. Tiakas, A. N. Papadopoulos, A. Nanopoulos, Y. Manolopoulos, D. Stojanovic, S. Djordjevic-Kajan: "Trajectory Similarity Search in Spatial Networks", Proceedings of the 10th International Database Engineering and Applications Symposium (IDEAS), IEEE, New Delhi, India, 2006. [since the conference version contains an error in the definition of the distance, please refer to the journal version]

M. Kontaki, A. N. Papadopoulos, Y. Manolopoulos: "Efficient Incremental Subspace Clustering in Data Streams", Proceedings of the 10th International Database Engineering and Applications Symposium (IDEAS) , New Delhi, India, IEEE, 2006. [PDF]

P. Symeonidis, A. Nanopoulos, A. N. Papadopoulos, Y. Manolopoulos: "Collaborative Filtering Process in a Whole New Light", Proceedings of the 10th International Database Engineering and Applications Symposium (IDEAS) , New Delhi, India, IEEE, 2006. [PDF]

P. Symeonidis, A. Nanopoulos, A. N. Papadopoulos, Y. Manolopoulos: "Collaborative Filtering: Fallacies and Insights in Measuring Similarity", Proceedings of the PKDD Workshop on Web Mining (WEBMINE) , Berlin, Germany, 2006. [PDF]

A. Nanopoulos, A. N. Papadopoulos, T. Welzer-Druzovec, Y. Manolopoulos: "Item-based Classification for Robustness Against Noise", Proceedings of the 2nd ADBIS Workshop on Data Mining and Knowledge Discovery (ADMK) , Thessaloniki, Greece, 2006. [PDF]

P. Symeonidis, A. Nanopoulos, A. N. Papadopoulos, Y. Manolopoulos: "Nearest-Biclusters Collaborative Filtering", Proceedings of the 8th ACM SIGKDD Workshop on Web Mining and Web Usage Analysis (WEBKDD) , Philadelphia, Pennsylvania, 2006. [PDF]

P. Symeonidis, A. Nanopoulos, A. N. Papadopoulos, Y. Manolopoulos: "Scalable Collaborative Filtering Based on Latent Semantic Indexing", Proceedings of the IJCAI Workshop on Intelligent Techniques for Web Personalization (ITWP),, 2006. [PDF]

D. Stojanovic, S. Djordjevic-Kajan, B. Predic, A. N. Papadopoulos and A. Nanopoulos: "Continuous Range Query Processing for Network Constrained Mobile Objects", Proceedings of the 8th International Conference on Enterprise Information Systems (ICEIS), May 24-27, Paphos, Cyprus, 2006. [PDF]

P. Symeonidis, A. Nanopoulos, A. N. Papadopoulos, Y. Manolopoulos: "Collaborative Filtering based on Users Trends", Proceedings of the 30th Annual Conference of the German Classification Societly (GfKl), March 8-10, Berlin, Germany, 2006. [PDF]

I. Karydis, A. Nanopoulos, A. N. Papadopoulos, D. Katsaros and Y. Manolopoulos: "Content-based Music Information Retrieval in Wireless Ad-Hoc Networks", Proceedings of the 6th International Conference on Music Information Retrieval (ISMIR), London, UK, 2005. [PDF]

A.N. Papadopoulos, A. Nanopoulos and Y. Manolopoulos: "Closest-Pair Queries with Spatial Constraints", Proceedings of the 10th Panhellenic Conference on Informatics (PCI), Volos, Greece, Springer, 2005. [PDF]

M. Kontaki, A. N. Papadopoulos and Y. Manolopoulos: "Continuous Trend-Based Classification of Streaming Time Series", Proceedings of the 9th East-European Symposium on Advances in Databases and Information Systems (ADBIS), Tallin, Estonia, Springer, 2005. [PDF]

K. Raptopoulou, A. N. Papadopoulos and Y. Manolopoulos: "Incremental Nearest-Neighbor Search in Moving Objects", Proceedings of IEEE International Conference on Pervasive Services (ICPS), Santorini Island, IEEE, 2005. [PDF]

I. Karydis, A. Nanopoulos, A. N. Papadopoulos and Y. Manolopoulos: "Music Retrieval in P2P Networks Under the Warping Distance", Proceedings of the 7th International Conference on Enterprise Information Systems (ICEIS) , Miami, FL, USA, 24-28 May, 2005. [PDF]

I. Karydis, A. Nanopoulos, A. N. Papadopoulos and Y. Manolopoulos: "Audio Indexing for Efficient Music Information Retrieval", Proceedings of the 11th International Multimedia Modeling Conference (MMM), Melbourne, Australia, IEEE, January 2005.

M. Kontaki and A. N. Papadopoulos: "Efficient Similarity Search in Streaming Time Sequences", Proceedings of International Conference on Scientific and Statistical Database Management (SSDBM), Santorini, Greece, IEEE, June 2004. [PDF]

M. Kontaki, A. N. Papadopoulos and Y. Manolopoulos: "Similarity Range Queries in Streaming Time Series", Proceedings of the 4th ICEIS International Workshop on Pattern Recognition in Information Systems (ICEIS PRIS),, Porto, Portugal, April 2004.

D. Katsaros, A. N. Papadopoulos and Y. Manolopoulos: "Technologies and Data Management Issues for Location-Aware Computing", Proceedings of the Conference for the e-Democracy , pp. 203-211, Athens, Greece, Sep 2003.

A. N. Papadopoulos, Y. Manolopoulos: "Structure-Based Similarity Search with Graph Histograms", Proceedings of International Workshop on Similarity Search (DEXA IWOSS), pp.174-178, 1999. [PDF]

A. N. Papadopoulos, P. Rigaux, M. Scholl: "A Performance Evaluation of Spatial Join Processing Strategies", Proceedings of 6th International Symposium on Spatial Databases (SSD) , Springer, pp.286-307, 1999. [PDF]

C. Gurret, Y. Manolopoulos, A. N. Papadopoulos, P. Rigaux: "The BASIS System: A Benchmarking Approach for Spatial Index Structures", Proceedings STDBM 1999 , Springer, pp.152-170, 1999. [PDF]

A. N. Papadopoulos and Y. Manolopoulos: "Multiple Range Query Optimization in Spatial Databases", Proceedings of the 2nd East-European Symposium on Advances in Databases and Information Systems (ADBIS), Springer, 1998. [PDF]

Y. Theodoridis, T. Sellis, A. N. Papadopoulos and Y. Manolopoulos: "Specifications for Efficient Indexing in Spatiotemporal Databases", Proceedings of the International Conference on Scientific and Statistical Database Management (SSDBM), IEEE, 1998. [PDF]

A. N. Papadopoulos and Y. Manolopoulos: "Similarity Query Processing using Disk Arrays", Proceedings of the ACM SIGMOD Conference on Management of Data, Seattle, USA, ACM, pp.225-236, 1998. [PDF]

A. Nanopoulos, Y. Psiliagos, A. N. Papadopoulos, and Y. Manolopoulos: "Parallel Linear Quadtrees", Proceedings of the 6th National Computer Conference (EPY), Vol.1, Athens, Greece, December 1997.

A. Nanopoulos, A. N. Papadopoulos and Y. Manolopoulos: "The Impact of Area Balancing on Declustering Linear Quadtrees", Proceedings of the International Conference on Urban, Regional, Environmental Planning and Informatics to Planning in an Era of Transition, Athens, Greece, October 1997.

A. N. Papadopoulos, I. Giannakidou, M. Orfanidou and Y. Manolopoulos: "Performance Evaluation of Paged Quadtrees on a Single-Processor Multi-Disk System", Proceedings of the 17th Database Conference (DATASEM), October 12-14, Brno, Czech Republic, October 1997.

A. N. Papadopoulos, and Y. Manolopoulos: "Performance of Nearest Neighbor Queries in R-trees", Proceedings of the 6th International Conference on Database Theory (ICDT), Springer, pp.394-408, Delphi, Greece, January 1997. [PDF]

A. N. Papadopoulos and Y. Manolopoulos: "Parallel Processing of Nearest Neighbor Queries in Declustered Spatial Data", Proceedings of the 4th ACM Workshop on Advances in Geographic Information Systems (ACM GIS), ACM, pp.35-43, Rockville, Maryland, USA, November 1996. [PDF]

A. N. Papadopoulos, and Y. Manolopoulos: "Global Page Replacement in Spatial Databases", Proceedings of the 7th International Conference on Database and Expert System Applications (DEXA), Springer, pp.855-864, Zurich, September 1996. [PDF]

Y. Manolopoulos, E. Nardelli, A. N. Papadopoulos, and G. Proietti: "QR-tree: a Hybrid Spatial Data Structure", Proceedings of the 1st International Conference on Geographic Information Systems in Urban, Regional and Environmental Planning, pp.247-262, Samos Island, Greece, April 1996. [PDF]

M. Vasilakopoulos, A. N. Papadopoulos and Y. Manolopoulos: "Indices for Image Databases", Proceedings of the 5th National Computer Conference (EPY), Vol.1, pp.351-360, Athens, Greece, December 1995.