Dimitri Theodoratos

95 papers A* 2A 13B 19C 9Journal 27Unranked 22
YearRankTypeTitle / Venue / Authors
2025 B conf
A Bayesian Reinforcement Learning Framework for Online Index Tuning.
DaWaK
Md Rakibul Hasan, Xiaoying Wu, Dimitri Theodoratos
2024 B conf
LiteSelect: A Lightweight Adaptive Learning Algorithm for Online Index Selection.
DaWaK
Xiaoying Wu, Senyang Wang, Xin Liu, Dimitri Theodoratos, Md Rakibul Hasan
2024 — conf
Scalable Optimization of Graph Pattern Queries Using Summary Graphs.
WISE (2)
Xiaoying Wu, Michael Lan, Md Rakibul Hasan, Dimitri Theodoratos
2023 J jnl
A novel framework for the efficient evaluation of hybrid tree-pattern queries on large data graphs.
Inf. Syst.
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
2023 B conf
Evaluating Hybrid Graph Pattern Queries Using Runtime Index Graphs.
EDBT
Xiaoying Wu, Dimitri Theodoratos, Nikos Mamoulis, Michael Lan
2022 C conf
Answering Graph Pattern Queries using Compact Materialized Views.
DOLAP
Michael Lan, Xiaoying Wu, Dimitri Theodoratos
2022 — conf
Efficient In-Memory Evaluation of Reachability Graph Pattern Queries on Data Graphs.
DASFAA (1)
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
2021 J jnl
Discovering closed and maximal embedded patterns from large tree data.
Data Knowl. Eng.
Xiaoying Wu, Dimitri Theodoratos, Nikos Mamoulis
2021 J jnl
Evaluating Hybrid Graph Pattern Queries Using Runtime Index Graphs.
CoRR
Xiaoying Wu, Dimitri Theodoratos
2020 J jnl
Discovering Closed and Maximal Embedded Patterns from Large Tree Data.
CoRR
Xiaoying Wu, Dimitri Theodoratos, Nikos Mamoulis
2020 — conf
Exploring Citation Networks with Hybrid Tree Pattern Queries.
ADBIS/TPDL/EDA Workshops
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
2020 — conf
Leveraging Double Simulation to Efficiently Evaluate Hybrid Patterns on Data Graphs.
WISE (1)
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
2019 B conf
Efficiently Computing Homomorphic Matches of Hybrid Pattern Queries on Large Graphs.
DaWaK
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
2019 — conf
Evaluating Mixed Patterns on Large Data Graphs Using Bitmap Views.
DASFAA (1)
Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan
2019 — conf
Leveraging Pattern Mining Techniques for Efficient Keyword Search on Data Graphs.
WISE Workshops
Xinge Lu, Dimitri Theodoratos, Aggeliki Dimitriou
2018 — conf
Efficient Discovery of Embedded Patterns from Large Attributed Trees.
DASFAA (2)
Xiaoying Wu, Dimitri Theodoratos
2018 J jnl
From Homomorphisms to Embeddings: A Novel Approach for Mining Embedded Patterns from Large Tree Data.
Big Data Res.
Xiaoying Wu, Dimitri Theodoratos, Timos Sellis
2018 C conf
Personalized Keyword Search on Large RDF Graphs based on Pattern Graph Similarity.
IDEAS
Souvik Brata Sinha, Xinge Lu, Dimitri Theodoratos
2017 — conf
Efficiently Discovering Most-Specific Mixed Patterns from Large Data Trees.
DASFAA (1)
Xiaoying Wu, Dimitri Theodoratos
2017 J jnl
Relaxation of Keyword Pattern Graphs on RDF Data.
J. Web Eng.
Ananya Dass, Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos
2017 B conf
Trading Off Popularity for Diversity in the Results Sets of Keyword Queries on Linked Data.
ICWE
Ananya Dass, Dimitri Theodoratos
2016 B conf
Cohesive Keyword Search on Tree Data.
EDBT
Aggeliki Dimitriou, Ananya Dass, Dimitri Theodoratos, Yannis Vassiliou
2016 — conf
Diversification of Keyword Query Result Patterns.
WAIM (2)
Cem Aksoy, Ananya Dass, Dimitri Theodoratos, Xiaoying Wu
2016 — conf
Diversifying the Results of Keyword Queries on Linked Data.
WISE (1)
Ananya Dass, Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos, Xiaoying Wu
2016 — conf
Efficiently Mining Homomorphic Patterns from Large Data Trees.
DASFAA (1)
Xiaoying Wu, Dimitri Theodoratos, Zhiyong Peng
2016 J jnl
Homomorphic Pattern Mining from a Single Large Data Tree.
Data Sci. Eng.
Xiaoying Wu, Dimitri Theodoratos
2016 J jnl
Template-Based Bitmap View Selection for Optimizing Queries Over Tree Data.
Int. J. Cooperative Inf. Syst.
Xiaoying Wu, Dimitri Theodoratos
2015 J jnl
Cohesiveness Relationships to Empower Keyword Search on Tree Data on the Web.
CoRR
Aggeliki Dimitriou, Ananya Dass, Dimitri Theodoratos
2015 J jnl
Configuring bitmap materialized views for optimizing XML queries.
World Wide Web
Xiaoying Wu, Dimitri Theodoratos, Anastasios Kementsietsidis
2015 — conf
Incorporating Cohesiveness into Keyword Search on Linked Data.
WISE (2)
Ananya Dass, Aggeliki Dimitriou, Cem Aksoy, Dimitri Theodoratos
2015 B conf
Keyword Pattern Graph Relaxation for Selective Result Space Expansion on Linked Data.
ICWE
Ananya Dass, Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos
2015 — conf
Leveraging Homomorphisms and Bitmaps to Enable the Mining of Embedded Patterns from Large Data Trees.
DASFAA (1)
Xiaoying Wu, Dimitri Theodoratos
2015 J jnl
Reasoning with patterns to effectively answer XML keyword queries.
VLDB J.
Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos
2015 J jnl
Top-k-size keyword search on tree structured data.
Inf. Syst.
Aggeliki Dimitriou, Dimitri Theodoratos, Timos K. Sellis
2014 — conf
Clustering Query Results to Support Keyword Search on Tree Data.
WAIM
Cem Aksoy, Ananya Dass, Dimitri Theodoratos, Xiaoying Wu
2014 — conf
Exploiting Semantic Result Clustering to Support Keyword Search on Linked Data.
WISE (1)
Ananya Dass, Cem Aksoy, Aggeliki Dimitriou, Dimitri Theodoratos
2013 J jnl
A survey on XML streaming evaluation techniques.
VLDB J.
Xiaoying Wu, Dimitri Theodoratos
2013 J jnl
Optimizing XML queries: Bitmapped materialized views vs. indexes.
Inf. Syst.
Xiaoying Wu, Dimitri Theodoratos, Wendy Hui Wang, Timos K. Sellis
2012 — conf
Efficient keyword search on large tree structured datasets.
KEYS
Aggeliki Dimitriou, Dimitri Theodoratos
2012 J jnl
Processing and Evaluating Partial Tree Pattern Queries on XML Data.
IEEE Trans. Knowl. Data Eng.
Xiaoying Wu, Stefanos Souldatos, Dimitri Theodoratos, Theodore Dalamagas, Yannis Vassiliou, Timos K. Sellis
2011 B conf
Efficient Storage and Temporal Query Evaluation in Hierarchical Data Archiving Systems.
SSDBM
Wendy Hui Wang, Ruilin Liu, Dimitri Theodoratos, Xiaoying Wu
2011 J jnl
EliXR: an approach to eligibility criteria extraction and representation.
J. Am. Medical Informatics Assoc.
Chunhua Weng, Xiaoying Wu, Zhihui Luo, Mary Regina Boland, Dimitri Theodoratos, Stephen B. Johnson
2010 J jnl
Efficient evaluation of generalized tree-pattern queries on XML streams.
VLDB J.
Xiaoying Wu, Dimitri Theodoratos, Calisto Zuzarte
2010 J jnl
Evaluation Techniques for Generalized Path Pattern Queries on XML Data.
World Wide Web
Xiaoying Wu, Dimitri Theodoratos, Stefanos Souldatos, Theodore Dalamagas, Timos K. Sellis
2009 A conf
Answering XML queries using materialized views revisited.
CIKM
Xiaoying Wu, Dimitri Theodoratos, Wendy Hui Wang
2009 J jnl
Containment of partially specified tree-pattern queries in the presence of dimension graphs.
VLDB J.
Dimitri Theodoratos, Pawel Placek, Theodore Dalamagas, Stefanos Souldatos, Timos K. Sellis
2009 — ch.
Data Warehouse Back-End Tools.
Encyclopedia of Data Warehousing and Mining
Alkis Simitsis, Dimitri Theodoratos
2009 B conf
Eager Evaluation of Partial Tree-Pattern Queries on XML Streams.
DASFAA
Dimitri Theodoratos, Xiaoying Wu
2009 B conf
Efficient Evaluation of Generalized Tree-Pattern Queries with Same-Path Constraints.
SSDBM
Xiaoying Wu, Dimitri Theodoratos, Stefanos Souldatos, Theodore Dalamagas, Timos K. Sellis
2009 — ch.
Materialized View Selection for Data Warehouse Design.
Encyclopedia of Data Warehousing and Mining
Dimitri Theodoratos, Wugang Xu, Alkis Simitsis
2008 A conf
A heuristic approach for checking containment of generalized tree-pattern queries.
CIKM
Pawel Placek, Dimitri Theodoratos, Stefanos Souldatos, Theodore Dalamagas, Timos K. Sellis
2008 J jnl
Assigning semantics to partial tree-pattern queries.
Data Knowl. Eng.
Dimitri Theodoratos, Xiaoying Wu
2008 A* conf
Efficient evaluation of generalized path pattern queries on XML data.
WWW
Xiaoying Wu, Stefanos Souldatos, Dimitri Theodoratos, Theodore Dalamagas, Timos K. Sellis
2008 A conf
Evaluating partial tree-pattern queries on XML streams.
CIKM
Xiaoying Wu, Dimitri Theodoratos
2007 B conf
A Dynamic View Materialization Scheme for Sequences of Query and Update Statements.
DaWaK
Wugang Xu, Dimitri Theodoratos, Calisto Zuzarte, Xiaoying Wu, Vincent Oria
2007 B conf
An Original Semantics to Keyword Queries for XML Using Structural Patterns.
DASFAA
Dimitri Theodoratos, Xiaoying Wu
2007 A conf
Evaluation of partial path queries on xml data.
CIKM
Stefanos Souldatos, Xiaoying Wu, Dimitri Theodoratos, Theodore Dalamagas, Timos K. Sellis
2006 C conf
Computing closest common subexpressions for view selection problems.
DOLAP
Wugang Xu, Dimitri Theodoratos, Calisto Zuzarte
2006 B conf
Containment of Partially Specified Tree-Pattern Queries.
SSDBM
Dimitri Theodoratos, Theodore Dalamagas, Pawel Placek, Stefanos Souldatos, Timos K. Sellis
2006 A conf
Heuristic containment check of partial tree-pattern queries in the presence of index graphs.
CIKM
Dimitri Theodoratos, Stefanos Souldatos, Theodore Dalamagas, Pawel Placek, Timos K. Sellis
2006 B conf
Preprocessing for Fast Refreshing Materialized Views in DB2.
DaWaK
Wugang Xu, Calisto Zuzarte, Dimitri Theodoratos, Wenbin Ma
2005 C conf
Evaluation of Queries on Tree-Structured Data Using Dimension Graphs.
IDEAS
Theodore Dalamagas, Dimitri Theodoratos, Antonis Koufopoulos, Vincent Oria
2005 A conf
Querying Tree-Structured Data Using Dimension Graphs.
CAiSE
Dimitri Theodoratos, Theodore Dalamagas
2005 B conf
Semantic Integration of Schema Conforming XML Data Sources.
WISE
Dimitri Theodoratos, Theodore Dalamagas, I-Ting Liu
2005 J jnl
Semantic Integration of Tree-Structured Data Using Dimension Graphs.
J. Data Semant.
Theodore Dalamagas, Dimitri Theodoratos, Antonis Koufopoulos, I-Ting Liu
2005 A conf
Semantic querying of tree-structured data sources using partially specified tree patterns.
CIKM
Dimitri Theodoratos, Theodore Dalamagas, Antonis Koufopoulos, Narain H. Gehani
2004 C conf
Constructing search spaces for materialized view selection.
DOLAP
Dimitri Theodoratos, Wugang Xu
2003 C conf
Exploiting hierarchical clustering in evaluating multidimensional aggregation queries.
DOLAP
Dimitri Theodoratos
2003 J jnl
Processing OLAP queries in hierarchically clustered databases.
Data Knowl. Eng.
Dimitri Theodoratos, Aris Tsois
2003 A conf
Querying and Integrating Ontologies Viewed as Conceptual Schemas.
ER
Dimitri Theodoratos, Theodore Dalamagas
2002 — conf
Cost-based optimization of aggregation star queries on hierarchically clustered data warehouses.
DMDW
Aris Tsois, Nikos Karayannidis, Timos K. Sellis, Dimitri Theodoratos
2002 C ed.
DOLAP 2002, ACM Fifth International Workshop on Data Warehousing and OLAP, November 8, 2002, McLean, VA, USA, Proceedings
Il-Yeol Song, Dimitri Theodoratos
2002 — conf
Semantic Integration and Querying of Heterogeneous Data Sources Using a Hypergraph Data Model.
BNCOD
Dimitri Theodoratos
2001 A conf
A Randomized Approach for the Incremental Design of an Evolving Data Warehouse.
ER
Dimitri Theodoratos, Theodore Dalamagas, Alkis Simitsis, Manos Stavropoulos
2001 J jnl
Data Currency Quality Satisfaction in the Design of a Data Warehouse.
Int. J. Cooperative Inf. Syst.
Dimitri Theodoratos, Mokrane Bouzeghoub
2001 J jnl
Detecting redundant materialized views in data warehouse evolution.
Inf. Syst.
Dimitri Theodoratos
2001 C conf
Heuristic Optimization of OLAP Queries in Multidimensionally Hierarchically Clustered Databases.
DOLAP
Dimitri Theodoratos, Aris Tsois
2001 — ed.
Proceedings of the 3rd Intl. Workshop on Design and Management of Data Warehouses, DMDW'2001, Interlaken, Switzerland, June 4, 2001
DMDW
Dimitri Theodoratos, Joachim Hammer, Manfred A. Jeusfeld, Martin Staudt
2001 J jnl
View selection for designing the global data warehouse.
Data Knowl. Eng.
Dimitri Theodoratos, Spyros Ligoudistianos, Timos K. Sellis
2000 C conf
A General Framework for the View Selection Problem for Data Warehouse Design and Evolution.
DOLAP
Dimitri Theodoratos, Mokrane Bouzeghoub
2000 B conf
Answering Multidimensional Queries on Cubes Using Other Cubes.
SSDBM
Dimitri Theodoratos, Timos K. Sellis
2000 B conf
Complex View Selection for Data Warehouse Self-Maintainability.
CoopIS
Dimitri Theodoratos
2000 J jnl
Incremental Design of a Data Warehouse.
J. Intell. Inf. Syst.
Dimitri Theodoratos, Timos K. Sellis
1999 — conf
Data Currency Quality Factors in Data Warehouse Design.
DMDW
Dimitri Theodoratos, Mokrane Bouzeghoub
1999 J jnl
Designing Data Warehouses.
Data Knowl. Eng.
Dimitri Theodoratos, Timos K. Sellis
1999 A conf
Designing the Global Data Warehouse with SPJ Views.
CAiSE
Dimitri Theodoratos, Spyros Ligoudistianos, Timos K. Sellis
1999 A conf
Detecting Redundancy in Data Warehouse Evolution.
ER
Dimitri Theodoratos
1999 B conf
Dynamic Data Warehouse Design.
DaWaK
Dimitri Theodoratos, Timos K. Sellis
1999 B conf
Heuristic Algorithms for Designing a Data Warehouse with SPJ Views.
DaWaK
Spyros Ligoudistianos, Timos K. Sellis, Dimitri Theodoratos, Yannis Vassiliou
1998 A conf
Data Warehouse Schema and Instance Design.
ER
Dimitri Theodoratos, Timos K. Sellis
1998 — conf
Experimental Evaluation of Data Warehouse Configuration Algorithms.
DEXA Workshop
Spyros Ligoudistianos, Dimitri Theodoratos, Timos K. Sellis
1997 A* conf
Data Warehouse Configuration.
VLDB
Dimitri Theodoratos, Timos K. Sellis
1997 — conf
Logical Updating of Object Class Structures.
DOOD
Dimitri Theodoratos
1996 A conf
Deductive Object Oriented Schemas.
ER
Dimitri Theodoratos
1991 — conf
Monadic Databases with Equality.
MFDBS
Dimitri Theodoratos