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Dimitri Theodoratos, Pawel Placek, Theodore Dalamagas, Stefanos
Souldatos, Timos Sellis.
Containment of Partially Specified Tree-Pattern Queries in the
Presence of Dimension Graphs.
International Journal on Very Large Databases (VLDBJ), Springer,
accepted 2008.
Pawel Placek, Dimitri Theodoratos, Stefanos
Souldatos, Theodore Dalamagas, Timos Sellis.
A
Heuristic Approach for Checking Containment of Generalized Tree-Pattern
Queries.
To appear in Proc. of the 17th ACM Intl. Conference on Information and Knowledge
Management (CIKM'08), Napa Valley, CA, Oct. 2008,
ACM Press.
Xiaoying Wu,
Dimitri Theodoratos.
Evaluating Partial Tree-Pattern Queries on XML Streams
To appear in Proc. of the 17th ACM Intl. Conference on Information and Knowledge
Management (CIKM'08), Napa Valley, CA, Oct. 2008,
Poster paper, ACM Press.
Xiaoying Wu,
Stefanos Souldatos, Dimitri Theodoratos, Theodore Dalamagas, Timos Sellis.
Efficient
Evaluation of Generalized Path Pattern Queries on XML Data.
Proc. of the 17th Intl. World Wide Web Conference
(WWW'08), Beijing, China, Apr. 2008, ACM Press,
pages
835-844.
Dimitri Theodoratos, Xiaoying Wu.
Assigning Semantics to Partial Tree-Pattern Queries.
Data and Knowledge Engineering
(DKE) Journal, Elsevier, Vol. 64, Issue 1, Elsevier Science, Jan. 2008, pp. 242 - 265.
Stefanos Souldatos, Xiaoying Wu, Dimitri Theodoratos, Theodore Dalamagas, Timos Sellis
Evaluation of
Partial Path Queries on XML data.
Proc. of the 16th ACM Intl. Conference on Information and Knowledge
Management (CIKM'07), Lisbon, Portugal, Nov. 2007,
ACM Press, pages 21-30.
Wugang Xu,
Dimitri Theodoratos, Calisto Zuzarte, Xiaoying Wu, Vincent Oria.
A Dynamic View Materialization Scheme for Sequences of Query and
Update Statements.
Proc. of the 9th Intl. Conference on Data Warehousing and Knowledge
Discovery (DaWaK'07), Regensburg, Germany, Sep. 2007, Springer, LNCS
4654, pages 55 - 65.
Dimitri Theodoratos, Xiaoying Wu.
An Original Semantics to Keyword Queries for XML Using Structural
Patterns.
Proc. of the 12th Intl. Conference on
Database Systems for Advanced Applications
(DASFAA'07), Bangkok, Thailand, April
2007, Springer, LNCS, pages 727 - 739.
Dimitri Theodoratos, Xiaoying Wu.
Integration of XML Data Sources with Structural Differences
Proc. of the Intl. Workshop on Scalable Web Information Integration and
Service (SWIIS'07), Bangkok, Thailand, April
2007, World Scientific Press, pages 10.
Dimitri Theodoratos, Stefanos Souldatos, Theodore Dalamagas, Pawel Placek, Timos Sellis.
Heuristic Containment Check of Partial Tree-Pattern Queries in the
Presence of Index Graphs.
Proc. of the 15th ACM Intl. Conference on Information and Knowledge
Management (CIKM'06), Arlington, VA, Nov. 2006,
ACM Press, pages 445 -
454.
Wugang Xu, Dimitri
Theodoratos, Calisto
Zuzarte.
Computing Closest Common Subexpressions for View Selection
Problems.
Proc. of the 9th ACM Intl. Workshop on Data Warehousing and On-Line
Analytical Processing (DOLAP'06), Arlington, VA, U.S.A., Nov. 2006,
ACM Press, pages 75 - 82.
Dimitri Theodoratos, Theodore Dalamagas,
Pawel Placek, Stefanos Souldatos, Timos Sellis.
Containment of Partially Specified Tree-Pattern Queries
Proc. of the 18th Intl. Conference on Scientific and Statistical
Databases (SSDBM'06), Vienna, Austria, July 2006, IEEE Computer
IEEE Computer Society Press,
pages 3-12.
Wugang Xu, Calisto
Zuzarte, Dimitri
Theodoratos, Wenbin Ma.
Preprocessing for Fast Refreshing Materialized Views in DB2.
Proc. of the 8th Intl. Conference on Data Warehousing and Knowledge
Discovery (DaWaK'06), Krakow, Poland, Sep. 2006, Springer, LNCS
pages 55 - 64.
Dimitri Theodoratos,
Theodore Dalamagas, Antonis Koufopoulos, Narain Gehani.
Semantic Querying Tree-Structured Data Using Partially Specified
Tree-Patterns.
Proc. of the 14th ACM Intl. Conference on Information and Knowledge
Management (CIKM'05), Bremen, Germany, Oct.-Nov. 2005, ACM Press,
pages 712-719.
Dimitri Theodoratos, Theodore Dalamagas, I-Ting Liu.
Semantic Integration of Schema Conforming XML Data Sources
Proc. of the 6th Intl. Conference on Web Information Systems
Engineering (WISE'05), New York City, NY, USA, Nov. 2005, Springer-Verlag,
LNCS pages 558-559.
Theodore Dalamagas,
Dimitri Theodoratos, Antonis Koufopoulos, I-Ting Liu.
Semantic Integration on Tree-Structured Data Using Dimension Graphs.
Journal on Data Semantics (JoDS), Springer-Verlag,
pages 250-279.
Theodore
Dalamagas, Dimitri Theodoratos, Antonis Koufopoulos, Vincent Oria.
Evaluation of Queries on Tree-Structured Data Using Dimension
Graphs.
Proc. of the 9th Intl. Database Engineering and
Applications Symposium (IDEAS'05), Montreal, Canada, July 2005, IEEE
Computer Society Press, pages 65 - 74.
Dimitri Theodoratos, Theodore Dalamagas.
Querying Tree-Structured Data Using Dimension Graphs.
Proc. of the 17th Intl. Conference on Advanced Information Systems
Engineering (CAiSE'05), Porto, Portugal, June 2005, Springer-Verlag,
LNCS, Vol. 3520, pages 201-215.
Dimitri Theodoratos, Alkis Simitsis.
Materialized View Selection for Data Warehouse Design
Ecyclopedia of Data Warehousing and Mining, Idea Group Publishing, April
2005.
Alkis Simitsis, Dimitri Theodoratos.
Data Warehouse Back-End Tools
Ecyclopedia of Data Warehousing and Mining, Idea Group Publishing, April
2005.
Dimitri Theodoratos, Wugang Xu.
Constructing Search Spaces for Materialized View Selection
Proc. of the 7th ACM Intl. Workshop on Data Warehousing and On-Line
Analytical Processing (DOLAP'04), Washington, D.C., U.S.A., Nov. 2004,
ACM Press.
Dimitri Theodoratos, Theodore Dalamagas.
Querying and Integrating Ontologies viewed as Conceptual Schemas.
Proc. of the 22nd Intl. Conf. on Conceptual Modeling (ER'03), Chicago,
USA, Oct. 2003, Springer-Verlag,
LNCS 2813, pages 548 - 561.
Dimitri
Theodoratos.
Exploiting Hierarchical Clustering in Evaluating
Multidimensional Aggregation Queries
Proc. of the 6th ACM Intl.
Workshop on Data Warehousing and On-Line Analytical Processing
(DOLAP'03), New Orleans, U.S.A., Nov. 2003, ACM Press.
Dimitri Theodoratos, Aris
Tsois
Processing OLAP Queries in Hierarchically Clustered Databases.
Data
and Knowledge Engineering Journal (DKE), 2003, Vol. 39, Issue 3, Elsevier Science, pp. 205 - 224.
Dimitri Theodoratos
Semantic
Integration and Querying of Heterogeneous Data Sources Using a
Hypergraph Data Model.
Proc.
of the 19th British
National Conference on Databases (BNCOD'02), Sheffield,
UK, 2002, July 2002, Springer-Verlag, LNCS 2405,
pp. 166 - 182.
Aris
Tsois, Nilkos Karayannidis, Timos Sellis, and Dimitri Theodoratos
Cost-based optimization of aggregation star
queries on hierarchically clustered data warehouses.
Proc.
of the 4th Intl. Workshop on Design and Management of Data Warehouses
(DMDW'02), June 2002, Toronto, Canada.
Dimitri
Theodoratos, Spyros Ligoudistianos, Timos Sellis.
View Selection for Designing the Global Data
Warehouse
Data
and Knowledge Engineering Journal (DKE), Vol. 39, Issue 3, Special Issue
on Warehouse
Design for Structured and Semistructured Data,
Nov. 2001, Elsevier Science, pp.
219 - 240
Dimitri Theodoratos, Theodore Dalamagas, Alkis
Simitsis, Manos Stavropoulos.
A Randomized Approach for the Incremental Design of an Evolving Data
Warehouse.
Proc. of the 20th Intl. Conf. on Conceptual Modeling (ER'01), Yokohama,
Japan, Nov. 2001, Springer-Verlag, LNCS.
Dimitri
Theodoratos, Aris Tsois.
Heuristic Optimization of OLAP Queries in Multidimensionally
Hierarchically Clustered Databases
Proc. of the 4rd ACM Intl. Workshop on Data Warehousing and On-Line Analytical Processing
(DOLAP'01), Atlanta, U.S.A., Nov. 2001, ACM Press.
Panos
Vassiliadis, Spyros Ligoudistianos, Timos Sellis, Dimitri Theodoratos.
Quality-Oriented
Optimization of the Design of the Global Data Warehouse
Proc.
of the 8th Panhellenic
Conference on Informatics (PCI'01), Nicosia, Cyprus, Nov. 2001.
Dimitri
Theodoratos, Mokrane Bouzeghoub.
Data Currency Quality Satisfaction
in the Design of a Data Warehouse
International
Journal of Cooperative Information Systems (IJCIS),Vol. 10, Issue 3,
Special Issue on Data Warehouses, 2001, World Scientific, pp. 299 - 326.
Dimitri
Theodoratos.
Detecting Redundant Materialized Views in Data
Warehouse Evolution
Journal
of Information Systems (IS), Special Issue on Data Warehousing, Vol. 26,
Issue 5, 2001, Pergamon, pp. 363 - 381.
Dimitri
Theodoratos, Mokrane Bouzeghoub
A General Framework for the View Selection
Problem for Data Warehouse Design and Evolution
Proc.
of the 3rd ACM Intl. Workshop on Data Warehousing and On-Line Analytical
Processing (DOLAP'00), Washington, DC., U.S.A., Nov. 2000, ACM Press,
pp. 1 -8.
Dimitri
Theodoratos
Complex View Selection for Data Warehouse
Self-Maintainability
Proc.
of the 5th IFCIS Intl. Conf. on Cooperative Information Systems
(CooPIS'00), Eilat, Israel, Sep. 2000, Springer-Verlag, LNCS No 1901, pp
.78-89.
Dimitri
Theodoratos, Timos Sellis
Answering Queries on Cubes Using Other Cubes
Proc.
of the 12th Intl. Conf. on Scientific and Statistical
Database Management (SSDBM'00), Berlin, Germany, July 2000, IEEE
Computer Society Press, pp. 109 -122.
Dimitri
Theodoratos, Timos Sellis
Incremental Design of a Data Warehouse
Journal of Intelligent Information Systems (JIIS), Special Issue on Data
Warehousing and Knowledge Discovery, Vol. 15, Issue 1, 2000, Kluwer
Academic Publishers, pp. 7 - 27.
Dimitri
Theodoratos
Detecting Redundancy in Data
Warehouse Evolution
Proc. of the 18th Intl. Conf. on Conceptual Modeling (ER'99), Paris,
France, Nov. 1999, Springer-Verlag, LNCS No 1728, pp. 340 - 353.
Dimitri
Theodoratos, Timos Sellis
Designing Data Warehouses
Data and Knowledge Engineering Journal (DKE), Elsevier Science, Vol. 31, Issue 3, Oct. 1999, pp. 279 - 301.
Spyros
Ligoudistianos, Timos Sellis, Dimitri Theodoratos, Yannis Vassiliou
Heuristic Algorithms for Designing the Global Data Warehouse with SPJ
Views
Proc. of the 1st Intl. Conf. on Data Warehousing and Knowledge
Discovery, (DaWaK'99), Florence, Italy, Aug. 30 - Sep. 1, 1999, Springer
- Verlag, LNCS No 1676, pp. 66 - 105.
Dimitri
Theodoratos, Timos Sellis
Dynamic Data Warehouse Design
Proc. of the 1st Intl. Conf. on Data Warehousing and Knowledge
Discovery, (DaWaK'99), Florence, Italy, Aug. 30 - Sep. 1, 1999, Springer
- Verlag, LNCS No 1676, pp. 1 - 10.
Dimitri Theodoratos, Spyros Ligoudistianos, Timos
Sellis
Designing the Global Data Warehouse with SPJ queries
Proc. of the 11th Intl. Conf. on Advanced Information Systems
Engineering (CAiSE'99), Heidelberg, Germany, June 1999, Springer -
Verlag, LNCS No 1626, pp. 180 - 194.
Dimitri
Theodoratos, Mokrane Bouzeghoub
Data Currency Quality Factors in Data Warehouse Design
Proc.
of the 1st Intl. Workshop on Design and Management of Data Warehouses
(DMDW'99), June 1999, Heidelberg, Germany, Swiss Life Information
Systems Research, pp. 15 / 1-16.
Dimitri
Theodoratos, Timos Sellis
Data Warehouse Scheme and Instance Design
Proc. of the 17th Intl. Conf. on Conceptual Modeling (ER'98), Singapore,
Singapore, Nov. 1998, Springer-Verlag, LNCS No 1507, pp. 363 -376.
Spyros Ligoudistianos, Dimitri Theodoratos, Timos
Sellis
Experimental Evaluation of Data Warehouse Configuration Algorithms
Proc.
of the 10th Intl. Workshop on Database and Expert systems Applications (DEXA
Workshop'98), Vienna, Austria, Aug. 1998, IEEE Computer Society Press,
pp. 218 - 223.
Dimitri
Theodoratos
Logical Updating of Object Class Structures
Proc. of the 5th Intl. Conf. on Deductive and Object Oriented Databases
(DOOD'97), Montreux, Switzerland, Dec. 1997, Springer-Verlag, LNCS No
1341, pp. 158 - 174.
Dimitri
Theodoratos, Timos Sellis
Data Warehouse Configuration
Proc. of the 23rd. Intl. Conf. on Very Large Databases (VLDB'97),
Athens, Greece, Aug. 1997, Morgan Kaufmann, pp. 126 - 135.
Dimitri
Theodoratos
Deductive Object Oriented Schemas
Proc. of the 13th. Intl. Conf. on Conceptual Modeling (ER'96), Cottbus,
Germany, Oct. 1996, Springer-Verlag, LNCS No 1157, pp. 58 - 72. |