PhD in Electrical and Computer Engineering
National Technical University of Athens, 1994
Waffle: A Workload-Aware and Query-Sensitive Framework for Disk-Based Spatial Indexing
Article
Conference paper
Diversified spatial keyword search on RDF data
Article
A unified agent-based framework for constrained graph partitioning
Article
Engineering Methods for Differentially Private Histograms: Efficiency beyond Utility
Article
Density-based community detection in geo-social networks
Conference paper
Uncertain Graph Sparsification
Conference paper
Uncertain Graph Sparsification
Article
Nearest Neighbor Queries in Network Databases
Book chapter
Game-Theoretic Solutions for Constrained Geo-Social Event Organization
Conference paper
Geo-Social Ranking: functions and query processing
Article
Uncertain Graph Processing through Representative Instances
Article
Combining Differential Privacy and PIR for Efficient Strong Location Privacy
Conference paper
Conference paper
Real-Time Multi-Criteria Social Graph Partitioning: A Game Theoretic Approach
Conference paper
Differentially private event sequences over infinite streams
Article
The pursuit of a good possible world: extracting representative instances of uncertain graphs
Conference paper
A general framework for geoSocial query processing
Article
Agnostic diagnosis: Discovering silent failures in wireless sensor networks
Article
Skyline Processing on Distributed Vertical Decompositions
Article
Query Processing in Wireless Sensor Networks
Book chapter
Location-based Sponsored Search Advertising
Conference paper
Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data
Conference paper
Exact In-Network Aggregation with Integrity and Confidentiality
Article
PCloud: A distributed system for practical PIR
Article
Authenticated multi-step nearest neighbor search
Article
Collaborative Filtering with Personalized Skylines
Article
Agnostic diagnosis: Discovering silent failures in wireless sensor networks
Conference paper
Algorithms for local sensor synchronization
Conference paper
Secure and efficientiIn-network processing of exact SUM queries
Conference paper
A reciprocal framework for spatial K-anonymity
Article
Continuous authentication on relational streams
Article
k-Anonymity in the Presence of External Databases
Article
Nearest neighbor search with strong location privacy
Article
Authenticated indexing for outsourced spatial databases
Article
Continuous Monitoring of Spatial Queries in Wireless Broadcast Environments
Article
Keyword Search over Relational Tables and Streams
Article
Authenticated join processing in outsourced databases
Conference paper
Continuous spatial authentication
Conference paper
Kernel-Based skyline cardinality estimation
Conference paper
Minimizing the communication cost for continuous skyline maintenance
Conference paper
Conference paper
Reachability Indexes for Relational Keyword Search
Conference paper
Separating authentication from query execution in outsourced databases
Conference paper
Topologically sorted skylines for partially ordered domains
Conference paper
Continuous k-means monitoring over moving objects
Article
Tree-based partition querying: a methodology for computing medoids in large spatial datasets
Article
Vertical dimensioning: A novel DRR implementation for efficient fair queueing
Article
A Graph Method for Keyword-based Selection of the top-K Databases
Conference paper
Just-in-time processing of continuous queries
Conference paper
Spatial outsourcing for location-based services
Conference paper
Branch-and-bound processing of ranked queries
Article
Continuous nearest neighbor queries over sliding windows
Article
HybMig: A hybrid approach to dynamic plan migration for continuous queries
Article
Multidimensional reverse kNN search
Article
Multi-dimensional reverse kNN search
Article
Preventing location-based identity inference in anonymous spatial queries
Article
Random sampling for continuous streams with arbitrary updates
Article
Book
CADS: Continuous Authentication on Data Streams
Conference paper
Keyword search on relational data streams
Conference paper
Dynamic plan migration for snapshot-equivalent continuous queries in data stream systems
Article
Maintaining Sliding Window Skylines on Data Streams
Article
Reverse nearest neighbors in large graphs
Article
Spatial query estimation without the local uniformity assumption
Article
Spatio-temporal join selectivity
Article
Continuous monitoring of top-k queries over sliding windows
Conference paper
Continuous Nearest Neighbor Monitoring in Road Networks
Conference paper
A threshold-based algorithm for continuous monitoring of k nearest neighbors
Article
Adaptive schemes for distributed web caching
Article
Aggregate nearest neighbor queries in road networks
Article
Aggregate nearest neighbor queries in spatial databases
Article
Constrained shortest path computation
Article
Historical spatio-temporal aggregation
Article
Medoid queries in large spatial databases
Article
Progressive skyline computation in database systems
Article
Query processing in spatial databases containing obstacles
Article
Article
Spatial Joins: Algorithms, Cost Models and Optimization Techniques
Book chapter
Conceptual partitioning: An efficient method for continuous nearest neighbor monitoring
Conference paper
Reverse nearest neighbors in large graphs
Conference paper
RPJ: Producing fast join results on streams through rate-based optimization
Conference paper
Venn Sampling: A Novel Prediction Technique for Moving Objects
Conference paper
Article
Complex spatial query processing
Article
Performance analysis of R{*}-trees with arbitrary node extents
Article
Range aggregate processing in spatial databases
Article
Spatial queries in the presence of obstacles
Article
Spatial, temporal and spatio-temporal databases - Hot issues and directions for PhD
Article
All-nearest-neighbors queries in spatial databases
Conference paper
Approximate temporal aggregation
Conference paper
Group nearest neighbor queries
Conference paper
Prediction and indexing of moving objects with unknown motion patterns
Conference paper
Querying about the past, the present, and the future in spatio-temporal databases
Conference paper
Reverse kNN Search in Arbitrary Dimensionality
Conference paper
Spatio-temporal aggregation using sketches
Conference paper
Analysis of predictive spatio-temporal queries
Article
Evaluation of Iceberg Distance Joins
Article
Fast retrieval of similar configurations
Article
Multi-query optimization for on-line analytical processing
Article
Article
Spatial queries in dynamic environments
Article
Validity information retrieval for spatio-temporal queries: Theoretical performance bounds
Article
An Optimal and Progressive Algorithm for Skyline Queries
Conference paper
Location-based Spatial Queries
Conference paper
Query Processing in Spatial Network Databases
Conference paper
Selectivity estimation for predictive spatio-temporal queries
Conference paper
The power-method: A comprehensive estimation technique for multi-dimensional queries
Conference paper
The TPR*-Tree: An Optimized Spatio-Temporal Access Method for Predictive Queries
Conference paper
Aggregate processing of planar points
Article
Approximate processing of multiway spatial joins in very large databases
Article
Cost models for overlapping and multiversion structures
Article
Search algorithms for mutiway spatial joins
Article
View selection using randomized search
Article
Proceedings of Very Large Data Bases Conference (VLDB02)
Book
Conference paper
An adaptive peer-to-peer network for distributed caching of OLAP results
Conference paper
An overview of data replication on the internet
Conference paper
Continuous Nearest Neighbor Search
Conference paper
Cost models for overlapping and multi-version B-trees
Conference paper
Indexing spatio-temporal data warehouses
Conference paper
Time-parameterized queries in spatio-temporal databases
Conference paper
Approximate spatio-temporal retrieval
Article
Computer supported argumentation and collaborative decision making: the HERMES system
Article
Constraint-based processing of multiway spatial joins
Article
Efficient OLAP operations in spatial data warehouses
Article
Article
Proxy-server architectures for OLAP
Article
Selectivity estimation of complex spatial queries
Article
Active caching of On-Line-Analytical-Processing queries in WWW proxies
Conference paper
Conference paper
Optimization Algorithms for Simultaneous Multidimensional Queries in OLAP Environments
Conference paper
The MV3R-Tree: A Spatio-Temporal Access Method for Timestamp and Interval Queries
Conference paper
Hill Climbing Algorithms for Content-Based Retrieval of Similar Configurations
Conference paper
Integration of Spatial Join Algorithms for Processing Multiple Inputs
Article
Processing fuzzy spatial queries: a configuration similarity approach
Article
Computer-Mediated Collaborative Decision Making: Theoretical and Implementation Issues
Conference paper
Content-based retrieval using heuristic search
Conference paper
Hierarchical Constraint Satisfaction in Spatial Databases
Conference paper
Improving Search Using Indexing: A Study with Temporal CSPs
Conference paper
Integration of Spatial Join Algorithms for Joining Multiple Inputs
Conference paper
Processing and Optimization of Multiway Spatial Joins Using R-trees
Conference paper
A computational approach for argumentative discourse in multi-agent decision making environments
Article
Direction relations and two-dimensional range queries: optimisation techniques
Article
Mind Readings: Introductory Selections on Cognitive Science
Book chapter
A Group Decision and Negotiation Support System for Argumentation Based Reasoning
Conference paper
Algorithms for Querying by Spatial Structure
Conference paper
Assessing Multimedia Similarity: A Framework for Structure and Motion
Conference paper
Constraint-based algorithms for computing clique intersection joins
Conference paper
HERMES: Supporting Argumentative Discourse in Multi-Agent Decision Making
Conference paper
Image similarity retrieval by spatial constraints
Conference paper
Modeling Negotiations in Group Decision Support Systems
Conference paper
On The Retrieval of Similar Configurations
Conference paper
Querying Multimedia Documents by Spatiotemporal Structure
Conference paper
Querying Multimedia Documents By Spatiotemporal Structure
Conference paper
Algorithms for Hierarchical Spatial Reasoning
Article
Collaborative environmental planning with GeoMed
Article
Multi-dimensional range query processing with spatial relations
Article
Spatial relations, minimum bounding rectangles, and spatial data structures
Article
Using Case-based Reasoning for Argumentation with Multiple Viewpoints
Article
Conference paper
An Argumentation Based Framework for Defeasible and Qualitative Reasoning
Conference paper
Building an Interactive Multimedia Information System: The GEOMED case study
Conference paper
Hierarchical Reasoning about Direction Relations
Conference paper
Supporting Direction Relations in Spatial Database systems
Conference paper
A Pictorial Query-By-Example Language
Article
Diagrammatic Reasoning, Cognitive and Computational Perspectives
Book chapter
Conference paper
Collaborative Spatial Decision Making with Qualitative Constraints
Conference paper
Range Queries Involving Spatial Relations: A Performance Analysis
Conference paper
Conference paper
Topological Relations in the World of Minimum Bounding Rectangles: a Study with R-trees
Conference paper
Qualitative Representation of Spatial Knowledge in Two-Dimensional Space
Article
A Pictorial Language for the Retrieval of Spatial Relations from Image Databases
Conference paper
Acquiring, Representing and Processing Spatial Relations
Conference paper
Constraint-Based Reasoning in Geographic Databases: The Case of Symbolic Arrays
Conference paper
Relation-Based Information Processing with Symbolic Spatial Indexes
Conference paper
The Retrieval of Direction Relations Using R trees
Conference paper
The Semantics of Relations in 2D Space Using Representative Points: Spatial Indexes
Conference paper
A Representation Scheme for Computational Imagery
Conference paper
Game-Theoretic Solutions for Constrained Geo-Social Event Organization
Performance analysis of R{*}-trees with arbitrary node extents
Spatial, temporal and spatio-temporal databases - Hot issues and directions for PhD
Validity information retrieval for spatio-temporal queries: Theoretical performance bounds
Integration of Spatial Join Algorithms for Processing Multiple Inputs
Processing fuzzy spatial queries: a configuration similarity approach
A computational approach for argumentative discourse in multi-agent decision making environments
Direction relations and two-dimensional range queries: optimisation techniques
A Group Decision and Negotiation Support System for Argumentation Based Reasoning
Assessing Multimedia Similarity: A Framework for Structure and Motion
Constraint-based algorithms for computing clique intersection joins
HERMES: Supporting Argumentative Discourse in Multi-Agent Decision Making
Multi-dimensional range query processing with spatial relations
Spatial relations, minimum bounding rectangles, and spatial data structures
Using Case-based Reasoning for Argumentation with Multiple Viewpoints
Nearest Neighbor Queries in Network Databases
Book chapter
Game-Theoretic Solutions for Constrained Geo-Social Event Organization
Conference paper
Geo-Social Ranking: functions and query processing
Article
Uncertain Graph Processing through Representative Instances
Article
Combining Differential Privacy and PIR for Efficient Strong Location Privacy
Conference paper
Conference paper
Real-Time Multi-Criteria Social Graph Partitioning: A Game Theoretic Approach
Conference paper
Differentially private event sequences over infinite streams
Article
The pursuit of a good possible world: extracting representative instances of uncertain graphs
Conference paper
A general framework for geoSocial query processing
Article
Agnostic diagnosis: Discovering silent failures in wireless sensor networks
Article
Skyline Processing on Distributed Vertical Decompositions
Article
Query Processing in Wireless Sensor Networks
Book chapter
Location-based Sponsored Search Advertising
Conference paper
Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data
Conference paper
Exact In-Network Aggregation with Integrity and Confidentiality
Article
PCloud: A distributed system for practical PIR
Article
Authenticated multi-step nearest neighbor search
Article
Collaborative Filtering with Personalized Skylines
Article
Agnostic diagnosis: Discovering silent failures in wireless sensor networks
Conference paper
Algorithms for local sensor synchronization
Conference paper
Secure and efficientiIn-network processing of exact SUM queries
Conference paper
A reciprocal framework for spatial K-anonymity
Article
Continuous authentication on relational streams
Article
k-Anonymity in the Presence of External Databases
Article
Nearest neighbor search with strong location privacy
Article
Authenticated indexing for outsourced spatial databases
Article
Continuous Monitoring of Spatial Queries in Wireless Broadcast Environments
Article
Keyword Search over Relational Tables and Streams
Article
Authenticated join processing in outsourced databases
Conference paper
Continuous spatial authentication
Conference paper
Kernel-Based skyline cardinality estimation
Conference paper
Minimizing the communication cost for continuous skyline maintenance
Conference paper
Conference paper
Reachability Indexes for Relational Keyword Search
Conference paper
Separating authentication from query execution in outsourced databases
Conference paper
Topologically sorted skylines for partially ordered domains
Conference paper
Continuous k-means monitoring over moving objects
Article
Tree-based partition querying: a methodology for computing medoids in large spatial datasets
Article
Vertical dimensioning: A novel DRR implementation for efficient fair queueing
Article
A Graph Method for Keyword-based Selection of the top-K Databases
Conference paper
Just-in-time processing of continuous queries
Conference paper
Spatial outsourcing for location-based services
Conference paper
Branch-and-bound processing of ranked queries
Article
Continuous nearest neighbor queries over sliding windows
Article
HybMig: A hybrid approach to dynamic plan migration for continuous queries
Article
Multidimensional reverse kNN search
Article
Multi-dimensional reverse kNN search
Article
Preventing location-based identity inference in anonymous spatial queries
Article
Random sampling for continuous streams with arbitrary updates
Article
Book
CADS: Continuous Authentication on Data Streams
Conference paper
Keyword search on relational data streams
Conference paper
Dynamic plan migration for snapshot-equivalent continuous queries in data stream systems
Article
Maintaining Sliding Window Skylines on Data Streams
Article
Reverse nearest neighbors in large graphs
Article
Spatial query estimation without the local uniformity assumption
Article
Spatio-temporal join selectivity
Article
Continuous monitoring of top-k queries over sliding windows
Conference paper
Continuous Nearest Neighbor Monitoring in Road Networks
Conference paper
A threshold-based algorithm for continuous monitoring of k nearest neighbors
Article
Adaptive schemes for distributed web caching
Article
Aggregate nearest neighbor queries in road networks
Article
Aggregate nearest neighbor queries in spatial databases
Article
Constrained shortest path computation
Article
Historical spatio-temporal aggregation
Article
Medoid queries in large spatial databases
Article
Progressive skyline computation in database systems
Article
Query processing in spatial databases containing obstacles
Article
Article
Spatial Joins: Algorithms, Cost Models and Optimization Techniques
Book chapter
Conceptual partitioning: An efficient method for continuous nearest neighbor monitoring
Conference paper
Reverse nearest neighbors in large graphs
Conference paper
RPJ: Producing fast join results on streams through rate-based optimization
Conference paper
Venn Sampling: A Novel Prediction Technique for Moving Objects
Conference paper
Article
Complex spatial query processing
Article
Performance analysis of R{*}-trees with arbitrary node extents
Article
Range aggregate processing in spatial databases
Article
Spatial queries in the presence of obstacles
Article
Spatial, temporal and spatio-temporal databases - Hot issues and directions for PhD
Article
All-nearest-neighbors queries in spatial databases
Conference paper
Approximate temporal aggregation
Conference paper
Group nearest neighbor queries
Conference paper
Prediction and indexing of moving objects with unknown motion patterns
Conference paper
Querying about the past, the present, and the future in spatio-temporal databases
Conference paper
Reverse kNN Search in Arbitrary Dimensionality
Conference paper
Spatio-temporal aggregation using sketches
Conference paper
Analysis of predictive spatio-temporal queries
Article
Evaluation of Iceberg Distance Joins
Article
Fast retrieval of similar configurations
Article
Multi-query optimization for on-line analytical processing
Article
Article
Spatial queries in dynamic environments
Article
Validity information retrieval for spatio-temporal queries: Theoretical performance bounds
Article
An Optimal and Progressive Algorithm for Skyline Queries
Conference paper
Location-based Spatial Queries
Conference paper
Query Processing in Spatial Network Databases
Conference paper
Selectivity estimation for predictive spatio-temporal queries
Conference paper
The power-method: A comprehensive estimation technique for multi-dimensional queries
Conference paper
The TPR*-Tree: An Optimized Spatio-Temporal Access Method for Predictive Queries
Conference paper
Aggregate processing of planar points
Article
Approximate processing of multiway spatial joins in very large databases
Article
Cost models for overlapping and multiversion structures
Article
Search algorithms for mutiway spatial joins
Article
View selection using randomized search
Article
Proceedings of Very Large Data Bases Conference (VLDB02)
Book
Conference paper
An adaptive peer-to-peer network for distributed caching of OLAP results
Conference paper
An overview of data replication on the internet
Conference paper
Continuous Nearest Neighbor Search
Conference paper
Cost models for overlapping and multi-version B-trees
Conference paper
Indexing spatio-temporal data warehouses
Conference paper
Time-parameterized queries in spatio-temporal databases
Conference paper
Approximate spatio-temporal retrieval
Article
Computer supported argumentation and collaborative decision making: the HERMES system
Article
Constraint-based processing of multiway spatial joins
Article
Efficient OLAP operations in spatial data warehouses
Article
Article
Proxy-server architectures for OLAP
Article
Selectivity estimation of complex spatial queries
Article
Active caching of On-Line-Analytical-Processing queries in WWW proxies
Conference paper
Conference paper
Optimization Algorithms for Simultaneous Multidimensional Queries in OLAP Environments
Conference paper
The MV3R-Tree: A Spatio-Temporal Access Method for Timestamp and Interval Queries
Conference paper
Hill Climbing Algorithms for Content-Based Retrieval of Similar Configurations
Conference paper
Integration of Spatial Join Algorithms for Processing Multiple Inputs
Article
Processing fuzzy spatial queries: a configuration similarity approach
Article
Computer-Mediated Collaborative Decision Making: Theoretical and Implementation Issues
Conference paper
Content-based retrieval using heuristic search
Conference paper
Hierarchical Constraint Satisfaction in Spatial Databases
Conference paper
Improving Search Using Indexing: A Study with Temporal CSPs
Conference paper
Integration of Spatial Join Algorithms for Joining Multiple Inputs
Conference paper
Processing and Optimization of Multiway Spatial Joins Using R-trees
Conference paper
A computational approach for argumentative discourse in multi-agent decision making environments
Article
Direction relations and two-dimensional range queries: optimisation techniques
Article
Mind Readings: Introductory Selections on Cognitive Science
Book chapter
A Group Decision and Negotiation Support System for Argumentation Based Reasoning
Conference paper
Algorithms for Querying by Spatial Structure
Conference paper
Assessing Multimedia Similarity: A Framework for Structure and Motion
Conference paper
Constraint-based algorithms for computing clique intersection joins
Conference paper
HERMES: Supporting Argumentative Discourse in Multi-Agent Decision Making
Conference paper
Image similarity retrieval by spatial constraints
Conference paper
Modeling Negotiations in Group Decision Support Systems
Conference paper
On The Retrieval of Similar Configurations
Conference paper
Querying Multimedia Documents by Spatiotemporal Structure
Conference paper
Querying Multimedia Documents By Spatiotemporal Structure
Conference paper
Algorithms for Hierarchical Spatial Reasoning
Article
Collaborative environmental planning with GeoMed
Article
Multi-dimensional range query processing with spatial relations
Article
Spatial relations, minimum bounding rectangles, and spatial data structures
Article
Using Case-based Reasoning for Argumentation with Multiple Viewpoints
Article
Conference paper
An Argumentation Based Framework for Defeasible and Qualitative Reasoning
Conference paper
Building an Interactive Multimedia Information System: The GEOMED case study
Conference paper
Hierarchical Reasoning about Direction Relations
Conference paper
Supporting Direction Relations in Spatial Database systems
Conference paper
A Pictorial Query-By-Example Language
Article
Diagrammatic Reasoning, Cognitive and Computational Perspectives
Book chapter
Conference paper
Collaborative Spatial Decision Making with Qualitative Constraints
Conference paper
Range Queries Involving Spatial Relations: A Performance Analysis
Conference paper
Conference paper
Topological Relations in the World of Minimum Bounding Rectangles: a Study with R-trees
Conference paper
Qualitative Representation of Spatial Knowledge in Two-Dimensional Space
Article
A Pictorial Language for the Retrieval of Spatial Relations from Image Databases
Conference paper
Acquiring, Representing and Processing Spatial Relations
Conference paper
Constraint-Based Reasoning in Geographic Databases: The Case of Symbolic Arrays
Conference paper
Relation-Based Information Processing with Symbolic Spatial Indexes
Conference paper
The Retrieval of Direction Relations Using R trees
Conference paper
The Semantics of Relations in 2D Space Using Representative Points: Spatial Indexes
Conference paper
A Representation Scheme for Computational Imagery
Conference paper
No Publications |
COMP3711 | Design and Analysis of Algorithms |
COMP4981 | Final Year Project |
COMP4981 | Final Year Project |
COMP4981 | Final Year Project |
COMP5311 | Database Architecture and Implementation |
CPEG4901 | Computer Engineering Final Year Project in COMP |
COMP3711 | Design and Analysis of Algorithms |
COMP4981 | Final Year Project |
No Teaching Assignments |
No Teaching Assignments |
PRIOR, Max
Computer Science and Engineering
WANG, Kai
Computer Science and Engineering
MOTI, Moin Hussain
Computer Science and Engineering
TSARAS, Dimitrios
Computer Science and Engineering
VOLOSHIN, Kirill
Computer Science and Engineering
DING, Weizhen
Computer Science and Engineering( Completed in 2023 )
PRIOR, Max
Computer Science and Engineering( Completed in 2023 )
WANG, Kai
Computer Science and Engineering( Completed in 2023 )
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