Sciweavers

1254 search results - page 48 / 251
» A Dynamic Query Processing Architecture for Data Integration...
Sort
View
VLDB
2005
ACM
103views Database» more  VLDB 2005»
15 years 10 months ago
Mapping Maintenance for Data Integration Systems
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
Robert McCann, Bedoor K. AlShebli, Quoc Le, Hoa Ng...
ACTA
2002
86views more  ACTA 2002»
15 years 4 months ago
Deriving and paraphrasing information grammars using object-oriented analysis models
Abstract. In this paper the focus is on object-oriented analysis of information systems. We assume that the communication within an application domain can be described by a logbook...
Paul J. M. Frederiks, Theo P. van der Weide
109
Voted
SBBD
2007
68views Database» more  SBBD 2007»
15 years 5 months ago
Querying Geographical Data Warehouses With GeoMDQL
Integrating geographical and multidimensional processing has been proposed in several researches in the database literature. One of the most important issues of this process is dat...
Joel da Silva, Ausberto S. Castro Vera, Anjolina G...
NGITS
1995
Springer
15 years 8 months ago
The TSIMMIS Approach to Mediation: Data Models and Languages
TSIMMIS—TheStanford-IBMManagerofMultipleInformationSources—isasystemforintegrating information. It offers a data model and a common query language that are designed to support ...
Hector Garcia-Molina, Dallan Quass, Yannis Papakon...
BXML
2003
15 years 5 months ago
Semantic Caching in Ontology-based Mediator Systems
: The integration of heterogenous web sources is still a big challenge. One approach to deal with integration problems is the usage of domain knowledge in form of vocabularies or o...
Marcel Karnstedt, Kai-Uwe Sattler, Ingolf Geist, H...