Timos K. Sellis

Affiliations:
  • Athena Research Center, Archimedes Research Unit, Athens, Greece


According to our database1, Timos K. Sellis authored at least 332 papers between 1984 and 2023.

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Bibliography

2023
Complex Event Summarization Using Multi-Social Attribute Correlation.
IEEE Trans. Knowl. Data Eng., November, 2023

Guest Editorial Special Issue on Online Recommendation Using AI and Big Data Techniques.
IEEE Trans. Knowl. Data Eng., October, 2023

A Metadata-Assisted Cascading Ensemble Classification Framework for Automatic Annotation of Open IoT Data.
IEEE Internet Things J., August, 2023

Top-k Socio-Spatial Co-Engaged Location Selection for Social Users.
IEEE Trans. Knowl. Data Eng., May, 2023

TopicTracker: A platform for topic trajectory identification and visualisation.
SoftwareX, May, 2023

ExpFinder: A hybrid model for expert finding from text-based expertise data.
Expert Syst. Appl., 2023

Integrity 2023: Integrity in Social Networks and Media.
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, 2023

2022
Information Resilience: the nexus of responsible and agile approaches to information use.
VLDB J., 2022

Social-Spatial Group Queries with Keywords.
ACM Trans. Spatial Algorithms Syst., 2022

Event Popularity Prediction Using Influential Hashtags From Social Media.
IEEE Trans. Knowl. Data Eng., 2022

Target-Aware Holistic Influence Maximization in Spatial Social Networks.
IEEE Trans. Knowl. Data Eng., 2022

Location-Centered House Price Prediction: A Multi-Task Learning Approach.
ACM Trans. Intell. Syst. Technol., 2022

Keyword aware influential community search in large attributed graphs.
Inf. Syst., 2022

Editorial: Updates to the DSE Leadership and Editorial Board.
Data Sci. Eng., 2022

Integrity 2022: Integrity in Social Networks and Media.
CoRR, 2022

PathOracle: A Deep Learning Based Trip Planner for Daily Commuters.
Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2022

Event Popularity Prediction Using Influential Hashtags from Social Media (Extended Abstract).
Proceedings of the 38th IEEE International Conference on Data Engineering, 2022

2021
AOI-shapes: An Efficient Footprint Algorithm to Support Visualization of User-defined Urban Areas of Interest.
ACM Trans. Interact. Intell. Syst., 2021

Guest Editorial: Advanced Complex Data Analytics for Smart City Industrial Environment.
IEEE Trans. Ind. Informatics, 2021

Link maintenance for integrity in linked open data evolution: Literature survey and open challenges.
Semantic Web, 2021

Big data analytics in healthcare - A systematic literature review and roadmap for practical implementation.
IEEE CAA J. Autom. Sinica, 2021

Methodology for refining subject terms and supporting subject indexing with taxonomy: A case study of the APO digital repository.
Decis. Support Syst., 2021

Boosting house price predictions using geo-spatial network embedding.
Data Min. Knowl. Discov., 2021

ExpFinder: An Ensemble Expert Finding Model Integrating N-gram Vector Space Model and μCO-HITS.
CoRR, 2021

Integrity 2021: Integrity in Social Networks and Media.
Proceedings of the WSDM '21, 2021

2020
Incremental preference adjustment: a graph-theoretical approach.
VLDB J., 2020

Community-diversified influence maximization in social networks.
Inf. Syst., 2020

Extending Big Data Management via Semantics: Recent Innovations.
Inf. Syst., 2020

Temporal betweenness centrality in dynamic graphs.
Int. J. Data Sci. Anal., 2020

ReEx: An integrated architecture for preference model representation and explanation.
Expert Syst. Appl., 2020

Top-k Socio-Spatial Co-engaged Location Selection for Social Users.
CoRR, 2020

Inferring Location Types With Geo-Social-Temporal Pattern Mining.
IEEE Access, 2020

Analysing the Learning Paths of Computer Science Students via Trajectory Analytics.
Proceedings of the IEEE International Conference on Teaching, 2020

A Novel DNN Training Framework via Data Sampling and Multi-Task Optimization.
Proceedings of the 2020 International Joint Conference on Neural Networks, 2020

Anchored Vertex Exploration for Community Engagement in Social Networks.
Proceedings of the 36th IEEE International Conference on Data Engineering, 2020

A Unified Approach to Quantitatively Measure the Similarity of Computer Science Units in Australia.
Proceedings of the IEEE Frontiers in Education Conference, 2020

2019
Location prediction in large-scale social networks: an in-depth benchmarking study.
VLDB J., 2019

Special Section on the International Conference on Data Engineering 2016.
IEEE Trans. Knowl. Data Eng., 2019

Fast Large-Scale Trajectory Clustering.
Proc. VLDB Endow., 2019

Top-k trajectories with the best view.
GeoInformatica, 2019

On effective and efficient graph edge labeling.
Distributed Parallel Databases, 2019

Keyword Aware Influential Community Search in Large Attributed Graphs.
CoRR, 2019

Location-Centered House Price Prediction: A Multi-Task Learning Approach.
CoRR, 2019

VisCrime: A Crime Visualisation System for Crime Trajectory from Multi-Dimensional Sources.
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, 2019

Interactive Visualization of Urban Areas of Interest: A Parameter-Free and Efficient Footprint Method.
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, 2019

Understanding Link Changes in LOD via the Evolution of Life Science Datasets.
Proceedings of the Workshop on Semantic Web Solutions for Large-Scale Biomedical Data Analytics co-located with 18th International Semantic Web Conference (ISWC 2019), 2019

VisCrimePredict: a system for crime trajectory prediction and visualisation from heterogeneous data sources.
Proceedings of the 34th ACM/SIGAPP Symposium on Applied Computing, 2019

Fast Anomaly Detection in Multiple Multi-Dimensional Data Streams.
Proceedings of the 2019 IEEE International Conference on Big Data (IEEE BigData), 2019

2018
Finding the optimal location and keywords in obstructed and unobstructed space.
VLDB J., 2018

HomeSeeker: A visual analytics system of real estate data.
J. Vis. Lang. Comput., 2018

Batch Processing of Top-<i>k</i> Spatial-Textual Queries.
ACM Trans. Spatial Algorithms Syst., 2018

A Trajectory Calculus for Qualitative Spatial Reasoning Using Answer Set Programming.
Theory Pract. Log. Program., 2018

Reverse k Nearest Neighbor Search over Trajectories.
IEEE Trans. Knowl. Data Eng., 2018

Capturing the Spatiotemporal Evolution in Road Traffic Networks.
IEEE Trans. Knowl. Data Eng., 2018

The Flexible Socio Spatial Group Queries.
Proc. VLDB Endow., 2018

The Maximum Trajectory Coverage Query in Spatial Databases.
Proc. VLDB Endow., 2018

Social event detection with retweeting behavior correlation.
Expert Syst. Appl., 2018

ConcaveCubes: Supporting Cluster-based Geographical Visualization in Large Data Scale.
Comput. Graph. Forum, 2018

From Homomorphisms to Embeddings: A Novel Approach for Mining Embedded Patterns from Large Tree Data.
Big Data Res., 2018

Efficient Algorithms for Flexible Sweep Coverage in Crowdsensing.
IEEE Access, 2018

Supporting Large-scale Geographical Visualization in a Multi-granularity Way.
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, 2018

Classification and Annotation of Open Internet of Things Datastreams.
Proceedings of the Web Information Systems Engineering - WISE 2018, 2018

A Fast Algorithm for Optimally Finding Partially Disjoint Shortest Paths.
Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, 2018

Holistic Influence Maximization for Targeted Advertisements in Spatial Social Networks.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

Reverse k Nearest Neighbor Search over Trajectories (Extended Abstract).
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

Evolutionary feature subspaces generation for ensemble classification.
Proceedings of the Genetic and Evolutionary Computation Conference, 2018

DistClusTree: A Framework for Distributed Stream Clustering.
Proceedings of the Databases Theory and Applications, 2018

Social-Textual Query Processing on Graph Database Systems.
Proceedings of the Databases Theory and Applications, 2018

2017
Crowdsourced Coverage as a Service: Two-Level Composition of Sensor Cloud Services.
IEEE Trans. Knowl. Data Eng., 2017

Geo-Social Influence Spanning Maximization.
IEEE Trans. Knowl. Data Eng., 2017

A hierarchical aggregation framework for efficient multilevel visual exploration and analysis.
Semantic Web, 2017

Semantics-Aware Approaches to Big Data Engineering.
J. Data Semant., 2017

Shrink: Distance preserving graph compression.
Inf. Syst., 2017

Towards an asynchronous aggregation-capable watermark for end-to-end protection of big data streams.
Future Gener. Comput. Syst., 2017

CDS: Collaborative distant supervision for Twitter account classification.
Expert Syst. Appl., 2017

Deep Osmosis: Holistic Distributed Deep Learning in Osmotic Computing.
IEEE Cloud Comput., 2017

Edge Labeling Schemes for Graph Data.
Proceedings of the 29th International Conference on Scientific and Statistical Database Management, 2017

Automated density-based clustering of spatial urban data for interactive data exploration.
Proceedings of the 2017 IEEE Conference on Computer Communications Workshops, 2017

Answering Top-k Exemplar Trajectory Queries.
Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

Most Influential Community Search over Large Social Networks.
Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

Monitoring the Top-m Rank Aggregation of Spatial Objects in Streaming Queries.
Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

Continuous Summarization over Microblog Threads.
Proceedings of the Database Systems for Advanced Applications, 2017

2016
Location Estimation Using Crowdsourced Spatial Relations.
ACM Trans. Spatial Algorithms Syst., 2016

Personalized Influential Topic Search via Social Network Summarization.
IEEE Trans. Knowl. Data Eng., 2016

Maximizing Bichromatic Reverse Spatial and Textual k Nearest Neighbor Queries.
Proc. VLDB Endow., 2016

Monitoring the Top-m Aggregation in a Sliding Window of Spatial Queries.
CoRR, 2016

On the Properties of Non-Media Digital Watermarking: A Review of State of the Art Techniques.
IEEE Access, 2016

Message from the ICDE 2016 Program Committee and general chairs.
Proceedings of the 32nd IEEE International Conference on Data Engineering, 2016

graphVizdb: A scalable platform for interactive large graph visualization.
Proceedings of the 32nd IEEE International Conference on Data Engineering, 2016

Exploration and Visualization in the Web of Big Linked Data: A Survey of the State of the Art.
Proceedings of the Workshops of the EDBT/ICDT 2016 Joint Conference, 2016

Interactive Trip Planning Using Activity Trajectories.
Proceedings of the 21st Australasian Document Computing Symposium, 2016

Joint Top-k Subscription Query Processing over Microblog Threads.
Proceedings of the Databases Theory and Applications, 2016

Prescriptive Analytics for Big Data.
Proceedings of the Databases Theory and Applications, 2016

Spatial Textual Top-k Search in Mobile Peer-to-Peer Networks.
Proceedings of the Databases Theory and Applications, 2016

Visualization-Aided Exploration of the Real Estate Data.
Proceedings of the Databases Theory and Applications, 2016

2015
Algorithms and criteria for diversification of news article comments.
J. Intell. Inf. Syst., 2015

Top-k-size keyword search on tree structured data.
Inf. Syst., 2015

Mapping Discovery Over Revealing Schemas.
Int. J. Cooperative Inf. Syst., 2015

Special issue on spatial and temporal database management.
GeoInformatica, 2015

Guest Editorial: Data Management and Analysis in Location-Based Social Networks.
Distributed Parallel Databases, 2015

A Hierarchical Framework for Efficient Multilevel Visual Exploration and Analysis.
CoRR, 2015

mirPub: a database for searching microRNA publications.
Bioinform., 2015

In the shadows we trust: A secure aggregation tolerant watermark for data streams.
Proceedings of the 16th IEEE International Symposium on A World of Wireless, 2015

Microblogging Queries on Graph Databases: An Introspection.
Proceedings of the Third International Workshop on Graph Data Management Experiences and Systems, 2015

Batch processing of Top-k Spatial-textual Queries.
Proceedings of the Second International ACM Workshop on Managing and Mining Enriched Geo-Spatial Data, 2015

Anytime Concurrent Clustering of Multiple Streams with an Indexing Tree.
Proceedings of the 4th International Workshop on Big Data, 2015

Spatio-Temporal Composition of Crowdsourced Services.
Proceedings of the Service-Oriented Computing - 13th International Conference, 2015

On crowdsensed data acquisition using multi-dimensional point processes.
Proceedings of the 31st IEEE International Conference on Data Engineering Workshops, 2015

Towards Scalable Visual Exploration of Very Large RDF Graphs.
Proceedings of the Semantic Web: ESWC 2015 Satellite Events - ESWC 2015 Satellite Events Portorož, Slovenia, May 31, 2015

Query Relaxation across Heterogeneous Data Sources.
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, 2015

Spatio-Temporal Architecture-Based Framework for Testing Services in the Cloud.
Proceedings of the 24th Australasian Software Engineering Conference, 2015

Managing Big Trajectory Data: Online Processing of Positional Streams.
Proceedings of the Big Data - Algorithms, Analytics, and Applications., 2015

2014
Twitter analytics: a big data management perspective.
SIGKDD Explor., 2014

Diversifying Microblog Posts.
Proceedings of the Web Information Systems Engineering - WISE 2014, 2014

Publishing Diachronic Life Science Linked Data.
Proceedings of the 7th International Workshop on Semantic Web Applications and Tools for Life Sciences, 2014

MR-microT: a MapReduce-based MicroRNA target prediction method.
Proceedings of the Conference on Scientific and Statistical Database Management, 2014

Airport Context Analytics.
Proceedings of the Web Reasoning and Rule Systems - 8th International Conference, 2014

Open-Access Grant Data: Towards Meta-Research Innovation.
Proceedings of the Legal Knowledge and Information Systems, 2014

Efficient Identification of the Highest Diversity Gain Object.
Proceedings of the Information Search, Integration and Personalization, 2014

Spatio-temporal Composition of Sensor Cloud Services.
Proceedings of the 2014 IEEE International Conference on Web Services, 2014

Failure-Proof Spatio-temporal Composition of Sensor Cloud Services.
Proceedings of the Service-Oriented Computing - 12th International Conference, 2014

RIPPLE: A Scalable Framework for Distributed Processing of Rank Queries.
Proceedings of the 17th International Conference on Extending Database Technology, 2014

A Study on External Memory Scan-Based Skyline Algorithms.
Proceedings of the Database and Expert Systems Applications, 2014

2013
Optimizing XML queries: Bitmapped materialized views vs. indexes.
Inf. Syst., 2013

Index-based query processing on distributed multidimensional data.
GeoInformatica, 2013

Personalizing Keyword Search on RDF Data.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2013

RDivF: Diversifying Keyword Search on RDF Graphs.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2013

Learning Risky Driver Behaviours from Multi-Channel Data Streams Using Genetic Programming.
Proceedings of the AI 2013: Advances in Artificial Intelligence, 2013

2012
Approximate regional sequence matching for genomic databases.
VLDB J., 2012

Processing and Evaluating Partial Tree Pattern Queries on XML Data.
IEEE Trans. Knowl. Data Eng., 2012

Evaluating Path Queries over Frequently Updated Route Collections.
IEEE Trans. Knowl. Data Eng., 2012

Diversifying User Comments on News Articles.
Proceedings of the Web Information Systems Engineering - WISE 2012, 2012

Event Processing and Real-Time Monitoring over Streaming Traffic Data.
Proceedings of the Web and Wireless Geographical Information Systems, 2012

TARCLOUD: A Cloud-Based Platform to Support miRNA Target Prediction.
Proceedings of the Scientific and Statistical Database Management, 2012

Multiplexing Trajectories of Moving Objects.
Proceedings of the Scientific and Statistical Database Management, 2012

Probabilistic Range Monitoring of Streaming Uncertain Positions in GeoSocial Networks.
Proceedings of the Scientific and Statistical Database Management, 2012

2011
GrouPeer: A System for Clustering PDMSs.
Proc. VLDB Endow., 2011

Maintaining consistent results of continuous queries under diverse window specifications.
Inf. Syst., 2011

MIDAS: Multi-attribute Indexing for Distributed Architecture Systems.
Proceedings of the Advances in Spatial and Temporal Databases, 2011

Dynamic Pickup and Delivery with Transfers.
Proceedings of the Advances in Spatial and Temporal Databases, 2011

Personalization in Web Search and Data Management.
Proceedings of the Model and Data Engineering - First International Conference, 2011

Search Behavior-Driven Training for Result Re-Ranking.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2011

On enhancing scalability for distributed RDF/S stores.
Proceedings of the EDBT 2011, 2011

Efficient answering of set containment queries for skewed item distributions.
Proceedings of the EDBT 2011, 2011

Learning to rank user intent.
Proceedings of the 20th ACM Conference on Information and Knowledge Management, 2011

Subsuming Multiple Sliding Windows for Shared Stream Computation.
Proceedings of the Advances in Databases and Information Systems, 2011

2010
Evaluation Techniques for Generalized Path Pattern Queries on XML Data.
World Wide Web, 2010

Ranking and Clustering Web Services Using Multicriteria Dominance Relationships.
IEEE Trans. Serv. Comput., 2010

Peer coordination through distributed triggers.
Proc. VLDB Endow., 2010

miRGen 2.0: a database of microRNA genomic information and regulation.
Nucleic Acids Res., 2010

Multi-granular Time-Based Sliding Windows over Data Streams.
Proceedings of the TIME 2010, 2010

Integrating Keywords and Semantics on Document Annotation and Search.
Proceedings of the On the Move to Meaningful Internet Systems, 2010

Probabilistic contextual skylines.
Proceedings of the 26th International Conference on Data Engineering, 2010

GoNTogle: A Tool for Semantic Annotation and Search.
Proceedings of the Semantic Web: Research and Applications, 2010

2009
Containment of partially specified tree-pattern queries in the presence of dimension graphs.
VLDB J., 2009

Hierarchically compressed wavelet synopses.
VLDB J., 2009

Storing and Indexing Spatial Data in P2P Systems.
IEEE Trans. Knowl. Data Eng., 2009

DIANA-microT web server: elucidating microRNA functions through target prediction.
Nucleic Acids Res., 2009

Ontology-Driven Conceptual Design of ETL Processes Using Graph Transformations.
J. Data Semant., 2009

GrouPeer: Dynamic clustering of P2P databases.
Inf. Syst., 2009

Accurate microRNA target prediction correlates with protein repression levels.
BMC Bioinform., 2009

Efficient Evaluation of Generalized Tree-Pattern Queries with Same-Path Constraints.
Proceedings of the Scientific and Statistical Database Management, 2009

Evaluating Reachability Queries over Path Collections.
Proceedings of the Scientific and Statistical Database Management, 2009

Monitoring Orientation of Moving Objects around Focal Points.
Proceedings of the Advances in Spatial and Temporal Databases, 2009

Top-<i>k</i> dominant web services under multi-criteria matching.
Proceedings of the EDBT 2009, 2009

A tool for mapping discovery over revealing schemas.
Proceedings of the EDBT 2009, 2009

Window Update Patterns in Stream Operators.
Proceedings of the Advances in Databases and Information Systems, 2009

Rule-Based Management of Schema Changes at ETL Sources.
Proceedings of the Advances in Databases and Information Systems, 2009

2008
Hierarchical clustering for OLAP: the CUBE File approach.
VLDB J., 2008

Modeling and manipulating the structure of hierarchical schemas for the web.
Inf. Sci., 2008

A framework for semantic grouping in P2P databases.
Inf. Syst., 2008

Discovery and Selection of Services on the Semantic Web.
ERCIM News, 2008

Indexing views to route queries in a PDMS.
Distributed Parallel Databases, 2008

Efficient evaluation of generalized path pattern queries on XML data.
Proceedings of the 17th International Conference on World Wide Web, 2008

Boosting the ranking function learning process using clustering.
Proceedings of the 10th ACM International Workshop on Web Information and Data Management (WIDM 2008), 2008

Caching Dynamic Skyline Queries.
Proceedings of the Scientific and Statistical Database Management, 2008

Prioritized Evaluation of Continuous Moving Queries over Streaming Locations.
Proceedings of the Scientific and Statistical Database Management, 2008

Efficient Semantic Web Service Discovery in Centralized and P2P Environments.
Proceedings of the Semantic Web - ISWC 2008, 7th International Semantic Web Conference, 2008

Serving the Sky: Discovering and Selecting Semantic Web Services through Dynamic Skyline Queries.
Proceedings of the 2th IEEE International Conference on Semantic Computing (ICSC 2008), 2008

Conceptual Synopses of Semantics in Social Networks Sharing Structured Data.
Proceedings of the On the Move to Meaningful Internet Systems: OTM 2008, 2008

A Simulator for a Mobile Peer-to-Peer Database Environment.
Proceedings of the 9th International Conference on Mobile Data Management (MDM 2008), 2008

Monitoring continuous queries over streaming locations.
Proceedings of the 16th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, 2008

On-line discovery of hot motion paths.
Proceedings of the EDBT 2008, 2008

A heuristic approach for checking containment of generalized tree-pattern queries.
Proceedings of the 17th ACM Conference on Information and Knowledge Management, 2008

Database interoperability through Web Services and ontologies.
Proceedings of the 8th IEEE International Conference on Bioinformatics and Bioengineering, 2008

2007
Correction to "A Family of Directional Relation Models for Extended Objects".
IEEE Trans. Knowl. Data Eng., 2007

A Family of Directional Relation Models for Extended Objects.
IEEE Trans. Knowl. Data Eng., 2007

Mining user navigation patterns for personalizing topic directories.
Proceedings of the 9th ACM International Workshop on Web Information and Data Management (WIDM 2007), 2007

Online Amnesic Summarization of Streaming Locations.
Proceedings of the Advances in Spatial and Temporal Databases, 2007

A Study for the Parameters of a Distributed Framework That Handles Spatial Areas.
Proceedings of the Advances in Spatial and Temporal Databases, 2007

Ontology-Based Data Sharing in P2P Databases.
Proceedings of the Semantic Web, Ontologies and Databases, VLDB Workshop, 2007

Semantics of Spatially-Aware Windows Over Streaming Moving Objects.
Proceedings of the 8th International Conference on Mobile Data Management (MDM 2007), 2007

Approximate order-k Voronoi cells over positional streams.
Proceedings of the 15th ACM International Symposium on Geographic Information Systems, 2007

Handling spatial data in distributed environments.
Proceedings of the 15th ACM International Symposium on Geographic Information Systems, 2007

Semantic Grouping of Social Networks in P2P Database Settings.
Proceedings of the Database and Expert Systems Applications, 18th International Conference, 2007

Application of the Peer-to-Peer Paradigm in Digital Libraries.
Proceedings of the Digital Libraries: Research and Development, 2007

Evaluation of partial path queries on xml data.
Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, 2007

ETL Workflows: From Formal Specification to Optimization.
Proceedings of the Advances in Databases and Information Systems, 2007

A Ranking Mechanism for SemanticWeb Service Discovery.
Proceedings of the 2007 IEEE International Conference on Services Computing, 2007

2006
Data management research at the Knowledge and Database Systems Lab: (NTU Athens).
SIGMOD Rec., 2006

A methodology for clustering XML documents by structure.
Inf. Syst., 2006

Captain Nemo: A Metasearch Engine with Personalized Hierarchical Search Space.
Informatica (Slovenia), 2006

Containment of Partially Specified Tree-Pattern Queries.
Proceedings of the 18th International Conference on Scientific and Statistical Database Management, 2006

Sampling Trajectory Streams with Spatiotemporal Criteria.
Proceedings of the 18th International Conference on Scientific and Statistical Database Management, 2006

Data Management in P2P Systems: Challenges and Research Issues.
Proceedings of the ICEIS 2006, 2006

Data Exchange Issues in Peer-to-Peer Database Systems.
Proceedings of the Enterprise Information Systems, 8th International Conference, 2006

Window Specification over Data Streams.
Proceedings of the Current Trends in Database Technology - EDBT 2006, 2006

NaviMoz: Mining Navigational Patterns in Portal Catalogs.
Proceedings of the Current Trends in Database Technology - EDBT 2006, 2006

Formal specification and optimization of ETL scenarios.
Proceedings of the DOLAP 2006, 2006

A study on workload-aware wavelet synopses for point and range-sum queries.
Proceedings of the DOLAP 2006, 2006

Reusing Classical Query Rewriting in P2P Databases.
Proceedings of the Databases, 2006

Heuristic containment check of partial tree-pattern queries in the presence of index graphs.
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, 2006

A combination of trie-trees and inverted files for the indexing of set-valued attributes.
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, 2006

Amnesic online synopses for moving objects.
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, 2006

2005
Computing and Managing Cardinal Direction Relations.
IEEE Trans. Knowl. Data Eng., 2005

State-Space Optimization of ETL Workflows.
IEEE Trans. Knowl. Data Eng., 2005

The Lowell database research self-assessment.
Commun. ACM, 2005

Optimizing ETL Processes in Data Warehouses.
Proceedings of the 21st International Conference on Data Engineering, 2005

RDFSculpt: Managing RDF Schemas Under Set-Like Semantics.
Proceedings of the Semantic Web: Research and Applications, 2005

Extraction-Transformation-Loading Processes.
Proceedings of the Encyclopedia of Database Technologies and Applications, 2005

2004
Managing Trajectories of Moving Objects as Data Streams.
Proceedings of the Spatio-Temporal Database Management, 2004

Clustering XML Documents by Structure.
Proceedings of the Methods and Applications of Artificial Intelligence, 2004

PatManQL: A Language to Manipulate Patterns and Data in Hierarchical Catalogs.
Proceedings of the Intl. Workshop on Pattern Representation and Management, 2004

Clustering XML Documents Using Structural Summaries.
Proceedings of the Current Trends in Database Technology - EDBT 2004 Workshops, 2004

Computing and Handling Cardinal Direction Information.
Proceedings of the Advances in Database Technology, 2004

CUBE File: A File Structure for Hierarchically Clustered OLAP Cubes.
Proceedings of the Advances in Database Technology, 2004

Implementing a Query Language for Context-Dependent Semistructured Data.
Proceedings of the Advances in Databases and Information Systems, 2004

2003
SISYPHUS: The implementation of a chunk-based storage manager for OLAP data cubes.
Data Knowl. Eng., 2003

The Generalized Pre-Grouping Transformation: Aggregate-Query Optimization in the Presence of Dependencies.
Proceedings of 29th International Conference on Very Large Data Bases, 2003

Combining Hierarchy Encoding and Pre-Grouping: Intelligent Grouping in Star Join Processing.
Proceedings of the 19th International Conference on Data Engineering, 2003

Spatio-temporal Databases in the Years Ahead.
Proceedings of the Spatio-Temporal Databases: The CHOROCHRONOS Approach, 2003

Introduction.
Proceedings of the Spatio-Temporal Databases: The CHOROCHRONOS Approach, 2003

2002
Processing Star Queries on Hierarchically-Clustered Fact Tables.
Proceedings of 28th International Conference on Very Large Data Bases, 2002

Cost-based optimization of aggregation star queries on hierarchically clustered data warehouses.
Proceedings of the Design and Management of Data Warehouses 2002, 2002

2001
ARKTOS: towards the modeling, design, control and execution of ETL processes.
Inf. Syst., 2001

View selection for designing the global data warehouse.
Data Knowl. Eng., 2001

Design of the ERATOSTHENES OLAP Server.
Proceedings of the Advances in Informatics, 8th Panhellenic Conference on Informatics, 2001

STEDEL: A Language For Interactive Spatiotemporal Compositions.
Proceedings of the 2001 IEEE International Conference on Multimedia and Expo, 2001

MAC: Conceptual data modeling for OLAP.
Proceedings of the 3rd Intl. Workshop on Design and Management of Data Warehouses, 2001

SISYPHUS: A Chunk-Based Storage Manager for OLAP Cubes.
Proceedings of the 3rd Intl. Workshop on Design and Management of Data Warehouses, 2001

2000
Checking the Temporal Integrity of Interactive Multimedia Documents.
VLDB J., 2000

Efficient Cost Models for Spatial Queries Using R-Trees.
IEEE Trans. Knowl. Data Eng., 2000

Interactive Multimedia Documents: A Modeling, Authoring and Rendering Approach.
Multim. Tools Appl., 2000

Incremental Design of a Data Warehouse.
J. Intell. Inf. Syst., 2000

Review - Efficient Processing of Spatial Joins Using R-Trees.
ACM SIGMOD Digit. Rev., 2000

Review - Query Optimization by Simulated Annealing.
ACM SIGMOD Digit. Rev., 2000

Review - A Logical Approach to Multidimensional Databases.
ACM SIGMOD Digit. Rev., 2000

Review - The Aqua Approximate Query Answering System.
ACM SIGMOD Digit. Rev., 2000

Review - The R*-Tree: An Efficient and Robust Access Method for Points and Rectangles.
ACM SIGMOD Digit. Rev., 2000

Answering Multidimensional Queries on Cubes Using Other Cubes.
Proceedings of the 12th International Conference on Scientific and Statistical Database Management, 2000

Databases Supporting Changes in Changing Worlds-The Case Spatio-Temporal Database Systems.
Proceedings of the 2000 International Database Engineering and Applications Symposium, 2000

1999
A Survey of Logical Models for OLAP Databases.
SIGMOD Rec., 1999

Reminiscences on Influential Papers.
SIGMOD Rec., 1999

Chorochronos: A Research Network for Spatiotemporal Database Systems.
SIGMOD Rec., 1999

Specifying and Authoring Multimedia Scenarios.
IEEE Multim., 1999

Incorporating fuzzy set methodologies in a DBMS repository for the application domain of GIS.
Int. J. Geogr. Inf. Sci., 1999

Designing Data Warehouses.
Data Knowl. Eng., 1999

Research Issues in Spatio-temporal Database Systems.
Proceedings of the Advances in Spatial Databases, 1999

CHOROCHRONOS - Research on Spatio-temporal Database Systems.
Proceedings of the Integrated Spatial Databases, Digital Inages and GIS, 1999

Spatiotemporal Specification & Verification of Multimedia Scenarios.
Proceedings of the Database Semantics, 1999

CHOROCHRONOS: Research on Spatiotemporal Database Systems.
Proceedings of the 10th International Workshop on Database & Expert Systems Applications, 1999

Dynamic Data Warehouse Design.
Proceedings of the Data Warehousing and Knowledge Discovery, 1999

Heuristic Algorithms for Designing a Data Warehouse with SPJ Views.
Proceedings of the Data Warehousing and Knowledge Discovery, 1999

Panel on Data Warehouse Quality Issues.
Proceedings of the Fourth IFCIS International Conference on Cooperative Information Systems, 1999

Designing the Global Data Warehouse with SPJ Views.
Proceedings of the Advanced Information Systems Engineering, 1999

1998
Spatio-Temporal Composition and Indexing for Large Multimedia Applications.
Multim. Syst., 1998

Direction Relations and Two-Dimensional Range Queries: Optimisation Techniques.
Data Knowl. Eng., 1998

Image Information System (IIS): A Visual Database System for Spatial and Non-Spatial Data Management.
Proceedings of the Visual Database Systems 4 (VDB4), 1998

A Visual Database System for Spatial and Non-Spatial Data Management.
Proceedings of the Visual Database Systems 4 (VDB4), 1998

Specifications for Efficient Indexing in Spatiotemporal Databases.
Proceedings of the 10th International Conference on Scientific and Statistical Database Management, 1998

Cost Models for Join Queries in Spatial Databases.
Proceedings of the Fourteenth International Conference on Data Engineering, 1998

Data Warehouse Schema and Instance Design.
Proceedings of the Conceptual Modeling, 1998

Experimental Evaluation of Data Warehouse Configuration Algorithms.
Proceedings of the Ninth International Workshop on Database and Expert Systems Applications, 1998

Implementing Embedded Valid Time Query Languages.
Proceedings of the Database and Expert Systems Applications, 9th International Conference, 1998

1997
Parametric Query Optimization.
VLDB J., 1997

Point Representation of Spatial Objects and Query Window Extension: A New Technique for Spatial Access Methods.
Int. J. Geogr. Inf. Sci., 1997

Data Warehouse Configuration.
Proceedings of the VLDB'97, 1997

Multidimensional Access Methods: Trees Have Grown Everywhere.
Proceedings of the VLDB'97, 1997

1996
A Model for the Prediction of R-tree Performance.
Proceedings of the Fifteenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 1996

Spatio-temporal composition in multimedia applications.
Proceedings of the 1996 International Workshop on Multimedia Software Development, 1996

Event and Action Representation and Composition for Multimedia Application Scenario Modelling.
Proceedings of the Interactive Distributed Multimedia Systems and Services, 1996

Spatio-Temporal Indexing for Large Multimedia Applications.
Proceedings of the IEEE International Conference on Multimedia Computing and Systems, 1996

1995
A Pictorial Query-by-Example Language.
J. Vis. Lang. Comput., 1995

Flexible and Adaptable Buffer Management Techniques for Database Management Systems.
IEEE Trans. Computers, 1995

The Database Group at National Technical University of Athens (NTUA).
SIGMOD Rec., 1995

Topological Relations in the World of Minimum Bounding Rectangles: A Study with R-trees.
Proceedings of the 1995 ACM SIGMOD International Conference on Management of Data, 1995

1994
Qualitative Representation of Spatial Knowledge in Two-Dimensional Space
VLDB J., 1994

A Simulation-Based Study on the Concurrent Execution of Rules in a Database Environment.
J. Parallel Distributed Comput., 1994

Improvements on a Heuristic Algorithm for Multiple-Query Optimization.
Data Knowl. Eng., 1994

Optimization Issues in R-tree Construction (Extended Abstract).
Proceedings of the IGIS '94: Geographic Information Systems, International Workshop on Advanced Information Systems, Monte Verita, Ascona, Switzerland, February 28, 1994

The Retrieval of Direction Relations using R-trees.
Proceedings of the Database and Expert Systems Applications, 5th International Conference, 1994

1993
Using Differential Techniques to Efficiently Support Transaction Time
VLDB J., 1993

Query Languages for Relational Multidatabases
VLDB J., 1993

Coupling Production Systems and Database Systems: A Homogeneous Approach.
IEEE Trans. Knowl. Data Eng., 1993

The Semantics of Relations in 2D Space Using Representative Points: Spatial Indexes.
Proceedings of the Spatial Information Theory: A Theoretical Basis for GIS, 1993

1992
Supporting Inconsistent Rules in Database Systems.
J. Intell. Inf. Syst., 1992

Preface.
Int. J. Cooperative Inf. Syst., 1992

An Organizational Framework for Cooperating Intelligent Information Systems.
Int. J. Cooperative Inf. Syst., 1992

Experiments on the Concurrent Rule Execution in Database Systems.
Proceedings of the Fourth International Conference on Tools with Artificial Intelligence, 1992

Spatial Reasoning Using Symbolic Arrays.
Proceedings of the Theories and Methods of Spatio-Temporal Reasoning in Geographic Space, International Conference GIS, 1992

A Geometric Approach to Indexing Large Rule Bases.
Proceedings of the Advances in Database Technology, 1992

1991
Query Optimization for Nontraditional Database Applications.
IEEE Trans. Software Eng., 1991

An Architecture for High Performance Engineering Information Systems.
IEEE Trans. Software Eng., 1991

A frame-based model for large manufacturing databases.
J. Intell. Manuf., 1991

Predictive Load Control for Flexible Buffer Allocation.
Proceedings of the 17th International Conference on Very Large Data Bases, 1991

Flexible Buffer Allocation Based on Marginal Gains.
Proceedings of the 1991 ACM SIGMOD International Conference on Management of Data, 1991

1990
On the Multiple-Query Optimization Problem.
IEEE Trans. Knowl. Data Eng., 1990

Extended database logic: Complex objects and deduction.
Inf. Sci., 1990

Efficient compilation of large rule bases using logical access paths.
Inf. Syst., 1990

Performance of DBMS implementations of production systems.
Proceedings of the 2nd International IEEE Conference on Tools for Artificial Intelligence, 1990

Applying knowledge-based technology: trends and directions (Panel Session).
Proceedings of the Fourteenth Annual International Computer Software and Applications Conference, 1990

1989
Data Intensive Production Systems: The DIPS Approach.
SIGMOD Rec., 1989

Special Issue on Rule Management and Processing in Expert Database Systems - Letter from the Guest Editor.
SIGMOD Rec., 1989

Performance Issues in the Binary Relationship Model.
Data Knowl. Eng., 1989

Exploiting Concurrency in a DBMS Implementation for Production Systems.
IEEE Data Eng. Bull., 1989

Conflict Resolution of Rules Assigning Values to Virtual Attributes.
Proceedings of the 1989 ACM SIGMOD International Conference on Management of Data, Portland, Oregon, USA, May 31, 1989

1988
An Efficient Pictorial Database System for PSQL.
IEEE Trans. Software Eng., 1988

Multiple-Query Optimization.
ACM Trans. Database Syst., 1988

Implementation of a Prolog-INGRES Interface.
SIGMOD Rec., 1988

Intelligent caching and indexing techniques for relational database systems.
Inf. Syst., 1988

Expert Database Systems: Efficient Support for Engineering Environments.
Data Knowl. Eng., 1988

Implementing Large Production Systems in a DBMS Environment: Concepts and Algorithms.
Proceedings of the 1988 ACM SIGMOD International Conference on Management of Data, 1988

Deep Compilation of Large Rule Bases.
Proceedings of the Expert Database Systems, 1988

Exploiting Concurrency in a DBMS Implementation for Production.
Proceedings of the International Symposium on Databases in Parallel and Distributed Systems, 1988

1987
The R+-Tree: A Dynamic Index for Multi-Dimensional Objects.
Proceedings of the VLDB'87, 1987

Efficiently Supporting Procedures in Relational Database Systems.
Proceedings of the Association for Computing Machinery Special Interest Group on Management of Data 1987 Annual Conference, 1987

Analysis of Object Oriented Spatial Access Methods.
Proceedings of the Association for Computing Machinery Special Interest Group on Management of Data 1987 Annual Conference, 1987

Deductive Heterogeneous Databases.
Proceedings of the Methodologies for Intelligent Systems, 1987

1986
Global Query Optimization.
Proceedings of the 1986 ACM SIGMOD International Conference on Management of Data, 1986

An Analysis of Rule Indexing Implementations in Data Base Systems.
Proceedings of the Expert Database Systems, 1986

1985
Optimization of Extended Database Query Languages.
Proceedings of the 1985 ACM SIGMOD International Conference on Management of Data, 1985

1984
Heuristic Search in Data Base Systems.
Proceedings of the Expert Database Systems, 1984


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