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VLDB
1997
ACM
117views Database» more  VLDB 1997»
14 years 22 days ago
Optimizing Queries Across Diverse Data Sources
Businesses today need to interrelate data stored in diverse systems with differing capabilities, ideally via a single high-level query interface. We present the design of a query ...
Laura M. Haas, Donald Kossmann, Edward L. Wimmers,...
EKAW
2010
Springer
13 years 7 months ago
Scaling Up Question-Answering to Linked Data
Linked Data semantic sources, in particular DBpedia, can be used to answer many user queries. PowerAqua is an open multi-ontology Question Answering (QA) system for the Semantic We...
Vanessa Lopez, Andriy Nikolov, Marta Sabou, Victor...
HOLOMAS
2003
Springer
14 years 1 months ago
Complex Data Integration Based on a Multi-agent System
The expansion of the WWW and the growth of data sources lead to the proliferation of heterogeneous data (texts, images, videos, sounds and relational views). We call these data ”...
Omar Boussaid, Fadila Bentayeb, Amandine Duffoux, ...
VIEWS
1996
81views more  VIEWS 1996»
13 years 10 months ago
A System Prototype for Warehouse View Maintenance
A data warehouse collects and integrates data from multiple, autonomous, heterogeneous, sources. The warehouse e ectively maintains one or more materialized views over the source ...
Janet L. Wiener, Himanshu Gupta, Wilburt Labio, Yu...
ER
2003
Springer
129views Database» more  ER 2003»
14 years 1 months ago
Querying Heterogeneous XML Sources through a Conceptual Schema
XML is a widespread W3C standard used by several kinds of applications for data representation and exchange over the web. In the context of a system that provides semantic integrat...
Sandro Daniel Camillo, Carlos A. Heuser, Ronaldo d...