Dimitri Theodoratos

Publication Activity (10 Years)

Years Active: 1991-2024
Publications (10 Years): 25

Top Topics

Pattern Queries

Index Selection

Structured Data

Top Venues

Publications

Xiaoying Wu, Senyang Wang, Xin Liu, Dimitri Theodoratos, Md Rakibul Hasan
LiteSelect: A Lightweight Adaptive Learning Algorithm for Online Index Selection. DaWaK (2024)
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
A novel framework for the efficient evaluation of hybrid tree-pattern queries on large data graphs. Inf. Syst. 117 (2023)
Xiaoying Wu, Dimitri Theodoratos, Nikos Mamoulis, Michael Lan
Evaluating Hybrid Graph Pattern Queries Using Runtime Index Graphs. EDBT (2023)
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
Efficient In-Memory Evaluation of Reachability Graph Pattern Queries on Data Graphs. DASFAA (1) (2022)
Michael Lan, Xiaoying Wu, Dimitri Theodoratos
Answering Graph Pattern Queries using Compact Materialized Views. DOLAP (2022)
Xiaoying Wu, Dimitri Theodoratos
Evaluating Hybrid Graph Pattern Queries Using Runtime Index Graphs. CoRR (2021)
Xiaoying Wu, Dimitri Theodoratos, Nikos Mamoulis
Discovering closed and maximal embedded patterns from large tree data. Data Knowl. Eng. 133 (2021)
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
Exploring Citation Networks with Hybrid Tree Pattern Queries. ADBIS/TPDL/EDA Workshops (2020)
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
Leveraging Double Simulation to Efficiently Evaluate Hybrid Patterns on Data Graphs. WISE (1) (2020)
Xiaoying Wu, Dimitri Theodoratos, Nikos Mamoulis
Discovering Closed and Maximal Embedded Patterns from Large Tree Data. CoRR (2020)
Xinge Lu, Dimitri Theodoratos, Aggeliki Dimitriou
Leveraging Pattern Mining Techniques for Efficient Keyword Search on Data Graphs. WISE Workshops (2019)
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
Evaluating Mixed Patterns on Large Data Graphs Using Bitmap Views. DASFAA (1) (2019)
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
Efficiently Computing Homomorphic Matches of Hybrid Pattern Queries on Large Graphs. DaWaK (2019)
Xiaoying Wu, Dimitri Theodoratos, Timos Sellis
From Homomorphisms to Embeddings: A Novel Approach for Mining Embedded Patterns from Large Tree Data. Big Data Res. 14 (2018)
Xiaoying Wu, Dimitri Theodoratos
Efficient Discovery of Embedded Patterns from Large Attributed Trees. DASFAA (2) (2018)
Souvik Brata Sinha, Xinge Lu, Dimitri Theodoratos
Personalized Keyword Search on Large RDF Graphs based on Pattern Graph Similarity. IDEAS (2018)
Ananya Dass, Dimitri Theodoratos
Trading Off Popularity for Diversity in the Results Sets of Keyword Queries on Linked Data. ICWE (2017)
Xiaoying Wu, Dimitri Theodoratos
Efficiently Discovering Most-Specific Mixed Patterns from Large Data Trees. DASFAA (1) (2017)
Ananya Dass, Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos
Relaxation of Keyword Pattern Graphs on RDF Data. J. Web Eng. 16 (5&6) (2017)
Cem Aksoy, Ananya Dass, Dimitri Theodoratos, Xiaoying Wu
Diversification of Keyword Query Result Patterns. WAIM (2) (2016)
Ananya Dass, Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos, Xiaoying Wu
Diversifying the Results of Keyword Queries on Linked Data. WISE (1) (2016)
Aggeliki Dimitriou, Ananya Dass, Dimitri Theodoratos, Yannis Vassiliou
Cohesive Keyword Search on Tree Data. EDBT (2016)
Xiaoying Wu, Dimitri Theodoratos, Zhiyong Peng
Efficiently Mining Homomorphic Patterns from Large Data Trees. DASFAA (1) (2016)
Xiaoying Wu, Dimitri Theodoratos
Template-Based Bitmap View Selection for Optimizing Queries Over Tree Data. Int. J. Cooperative Inf. Syst. 25 (3) (2016)
Xiaoying Wu, Dimitri Theodoratos
Homomorphic Pattern Mining from a Single Large Data Tree. Data Sci. Eng. 1 (4) (2016)
Xiaoying Wu, Dimitri Theodoratos
Leveraging Homomorphisms and Bitmaps to Enable the Mining of Embedded Patterns from Large Data Trees. DASFAA (1) (2015)
Ananya Dass, Aggeliki Dimitriou, Cem Aksoy, Dimitri Theodoratos
Incorporating Cohesiveness into Keyword Search on Linked Data. WISE (2) (2015)
Ananya Dass, Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos
Keyword Pattern Graph Relaxation for Selective Result Space Expansion on Linked Data. ICWE (2015)
Xiaoying Wu, Dimitri Theodoratos, Anastasios Kementsietsidis
Configuring bitmap materialized views for optimizing XML queries. World Wide Web 18 (3) (2015)
Aggeliki Dimitriou, Ananya Dass, Dimitri Theodoratos
Cohesiveness Relationships to Empower Keyword Search on Tree Data on the Web. CoRR (2015)
Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos
Reasoning with patterns to effectively answer XML keyword queries. VLDB J. 24 (3) (2015)
Aggeliki Dimitriou, Dimitri Theodoratos, Timos K. Sellis
Top-k-size keyword search on tree structured data. Inf. Syst. 47 (2015)
Ananya Dass, Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos
Exploiting Semantic Result Clustering to Support Keyword Search on Linked Data. WISE (1) (2014)
Cem Aksoy, Ananya Dass, Dimitri Theodoratos, Xiaoying Wu
Clustering Query Results to Support Keyword Search on Tree Data. WAIM (2014)
Xiaoying Wu, Dimitri Theodoratos
A survey on XML streaming evaluation techniques. VLDB J. 22 (2) (2013)
Xiaoying Wu, Dimitri Theodoratos, Wendy Hui Wang, Timos K. Sellis
Optimizing XML queries: Bitmapped materialized views vs. indexes. Inf. Syst. 38 (6) (2013)
Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos, Xiaoying Wu
: A Semantic Approach That Reasons with Patterns to Answer XML Keyword Queries. DASFAA (1) (2013)
Aggeliki Dimitriou, Dimitri Theodoratos
Efficient keyword search on large tree structured datasets. KEYS (2012)
Xiaoying Wu, Stefanos Souldatos, Dimitri Theodoratos, Theodore Dalamagas, Yannis Vassiliou, Timos K. Sellis
Processing and Evaluating Partial Tree Pattern Queries on XML Data. IEEE Trans. Knowl. Data Eng. 24 (12) (2012)
Wendy Hui Wang, Ruilin Liu, Dimitri Theodoratos, Xiaoying Wu
Efficient Storage and Temporal Query Evaluation in Hierarchical Data Archiving Systems. SSDBM (2011)
Chunhua Weng, Xiaoying Wu, Zhihui Luo, Mary Regina Boland, Dimitri Theodoratos, Stephen B. Johnson
EliXR: an approach to eligibility criteria extraction and representation. J. Am. Medical Informatics Assoc. 18 (Supplement) (2011)
Xiaoying Wu, Dimitri Theodoratos, Calisto Zuzarte
Efficient evaluation of generalized tree-pattern queries on XML streams. VLDB J. 19 (5) (2010)
Xiaoying Wu, Dimitri Theodoratos, Stefanos Souldatos, Theodore Dalamagas, Timos K. Sellis
Evaluation Techniques for Generalized Path Pattern Queries on XML Data. World Wide Web 13 (4) (2010)
Dimitri Theodoratos, Xiaoying Wu
Eager Evaluation of Partial Tree-Pattern Queries on XML Streams. DASFAA (2009)
Xiaoying Wu, Dimitri Theodoratos, Stefanos Souldatos, Theodore Dalamagas, Timos K. Sellis
Efficient Evaluation of Generalized Tree-Pattern Queries with Same-Path Constraints. SSDBM (2009)
Xiaoying Wu, Dimitri Theodoratos, Wendy Hui Wang
Answering XML queries using materialized views revisited. CIKM (2009)
Dimitri Theodoratos, Pawel Placek, Theodore Dalamagas, Stefanos Souldatos, Timos K. Sellis
Containment of partially specified tree-pattern queries in the presence of dimension graphs. VLDB J. 18 (1) (2009)
Xiaoying Wu, Stefanos Souldatos, Dimitri Theodoratos, Theodore Dalamagas, Timos K. Sellis
Efficient evaluation of generalized path pattern queries on XML data. WWW (2008)
Xiaoying Wu, Dimitri Theodoratos
Evaluating partial tree-pattern queries on XML streams. CIKM (2008)
Dimitri Theodoratos, Xiaoying Wu
Assigning semantics to partial tree-pattern queries. Data Knowl. Eng. 64 (1) (2008)
Pawel Placek, Dimitri Theodoratos, Stefanos Souldatos, Theodore Dalamagas, Timos K. Sellis
A heuristic approach for checking containment of generalized tree-pattern queries. CIKM (2008)
Wugang Xu, Dimitri Theodoratos, Calisto Zuzarte, Xiaoying Wu, Vincent Oria
A Dynamic View Materialization Scheme for Sequences of Query and Update Statements. DaWaK (2007)
Dimitri Theodoratos, Xiaoying Wu
An Original Semantics to Keyword Queries for XML Using Structural Patterns. DASFAA (2007)
Stefanos Souldatos, Xiaoying Wu, Dimitri Theodoratos, Theodore Dalamagas, Timos K. Sellis
Evaluation of partial path queries on xml data. CIKM (2007)
Dimitri Theodoratos, Stefanos Souldatos, Theodore Dalamagas, Pawel Placek, Timos K. Sellis
Heuristic containment check of partial tree-pattern queries in the presence of index graphs. CIKM (2006)
Wugang Xu, Calisto Zuzarte, Dimitri Theodoratos, Wenbin Ma
Preprocessing for Fast Refreshing Materialized Views in DB2. DaWaK (2006)
Dimitri Theodoratos, Theodore Dalamagas, Pawel Placek, Stefanos Souldatos, Timos K. Sellis
Containment of Partially Specified Tree-Pattern Queries. SSDBM (2006)
Wugang Xu, Dimitri Theodoratos, Calisto Zuzarte
Computing closest common subexpressions for view selection problems. DOLAP (2006)
Dimitri Theodoratos, Theodore Dalamagas
Querying Tree-Structured Data Using Dimension Graphs. CAiSE (2005)
Dimitri Theodoratos, Theodore Dalamagas, Antonis Koufopoulos, Narain H. Gehani
Semantic querying of tree-structured data sources using partially specified tree patterns. CIKM (2005)
Theodore Dalamagas, Dimitri Theodoratos, Antonis Koufopoulos, I-Ting Liu
Semantic Integration of Tree-Structured Data Using Dimension Graphs. J. Data Semant. (2005)
Dimitri Theodoratos, Theodore Dalamagas, I-Ting Liu
Semantic Integration of Schema Conforming XML Data Sources. WISE (2005)
Theodore Dalamagas, Dimitri Theodoratos, Antonis Koufopoulos, Vincent Oria
Evaluation of Queries on Tree-Structured Data Using Dimension Graphs. IDEAS (2005)
Dimitri Theodoratos, Wugang Xu
Constructing search spaces for materialized view selection. DOLAP (2004)
Dimitri Theodoratos, Theodore Dalamagas
Querying and Integrating Ontologies Viewed as Conceptual Schemas. ER (2003)
Dimitri Theodoratos
Exploiting hierarchical clustering in evaluating multidimensional aggregation queries. DOLAP (2003)
Dimitri Theodoratos, Aris Tsois
Processing OLAP queries in hierarchically clustered databases. Data Knowl. Eng. 45 (2) (2003)
Aris Tsois, Nikos Karayannidis, Timos K. Sellis, Dimitri Theodoratos
Cost-based optimization of aggregation star queries on hierarchically clustered data warehouses. DMDW (2002)
Dimitri Theodoratos
Semantic Integration and Querying of Heterogeneous Data Sources Using a Hypergraph Data Model. BNCOD (2002)
Dimitri Theodoratos, Spyros Ligoudistianos, Timos K. Sellis
View selection for designing the global data warehouse. Data Knowl. Eng. 39 (3) (2001)
Dimitri Theodoratos, Mokrane Bouzeghoub
Data Currency Quality Satisfaction in the Design of a Data Warehouse. Int. J. Cooperative Inf. Syst. 10 (3) (2001)
Dimitri Theodoratos, Theodore Dalamagas, Alkis Simitsis, Manos Stavropoulos
A Randomized Approach for the Incremental Design of an Evolving Data Warehouse. ER (2001)
Dimitri Theodoratos, Aris Tsois
Heuristic Optimization of OLAP Queries in Multidimensionally Hierarchically Clustered Databases. DOLAP (2001)
Dimitri Theodoratos
Detecting redundant materialized views in data warehouse evolution. Inf. Syst. 26 (5) (2001)
Dimitri Theodoratos, Mokrane Bouzeghoub
A General Framework for the View Selection Problem for Data Warehouse Design and Evolution. DOLAP (2000)
Dimitri Theodoratos
Complex View Selection for Data Warehouse Self-Maintainability. CoopIS (2000)
Dimitri Theodoratos, Timos K. Sellis
Incremental Design of a Data Warehouse. J. Intell. Inf. Syst. 15 (1) (2000)
Dimitri Theodoratos, Timos K. Sellis
Answering Multidimensional Queries on Cubes Using Other Cubes. SSDBM (2000)
Dimitri Theodoratos
Detecting Redundancy in Data Warehouse Evolution. ER (1999)
Dimitri Theodoratos, Timos K. Sellis
Designing Data Warehouses. Data Knowl. Eng. 31 (3) (1999)
Spyros Ligoudistianos, Timos K. Sellis, Dimitri Theodoratos, Yannis Vassiliou
Heuristic Algorithms for Designing a Data Warehouse with SPJ Views. DaWaK (1999)
Dimitri Theodoratos, Spyros Ligoudistianos, Timos K. Sellis
Designing the Global Data Warehouse with SPJ Views. CAiSE (1999)
Dimitri Theodoratos, Timos K. Sellis
Dynamic Data Warehouse Design. DaWaK (1999)
Dimitri Theodoratos, Mokrane Bouzeghoub
Data Currency Quality Factors in Data Warehouse Design. DMDW (1999)
Dimitri Theodoratos, Timos K. Sellis
Data Warehouse Schema and Instance Design. ER (1998)
Spyros Ligoudistianos, Dimitri Theodoratos, Timos K. Sellis
Experimental Evaluation of Data Warehouse Configuration Algorithms. DEXA Workshop (1998)
Dimitri Theodoratos, Timos K. Sellis
Data Warehouse Configuration. VLDB (1997)
Dimitri Theodoratos
Logical Updating of Object Class Structures. DOOD (1997)
Dimitri Theodoratos
Deductive Object Oriented Schemas. ER (1996)
Dimitri Theodoratos
Monadic Databases with Equality. MFDBS (1991)