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» Answering XML Queries on Heterogeneous Data Sources
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BMCBI
2006
172views more  BMCBI 2006»
13 years 8 months ago
BioWarehouse: a bioinformatics database warehouse toolkit
Background: This article addresses the problem of interoperation of heterogeneous bioinformatics databases. Results: We introduce BioWarehouse, an open source toolkit for construc...
Thomas J. Lee, Yannick Pouliot, Valerie Wagner, Pr...
ICDE
2004
IEEE
128views Database» more  ICDE 2004»
14 years 10 months ago
Detection and Correction of Conflicting Source Updates for View Maintenance
Data integration over multiple heterogeneous data sources has become increasingly important for modern applications. The integrated data is usually stored in materialized views fo...
Songting Chen, Jun Chen, Xin Zhang, Elke A. Runden...
ICDT
2009
ACM
105views Database» more  ICDT 2009»
14 years 9 months ago
Efficient data structures for range-aggregate queries on trees
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...
Hao Yuan, Mikhail J. Atallah
SIGMOD
2005
ACM
161views Database» more  SIGMOD 2005»
14 years 9 months ago
Efficient Keyword Search for Smallest LCAs in XML Databases
Keyword search is a proven, user-friendly way to query HTML documents in the World Wide Web. We propose keyword search in XML documents, modeled as labeled trees, and describe cor...
Yu Xu, Yannis Papakonstantinou
ESWS
2006
Springer
14 years 13 days ago
PowerAqua: Fishing the Semantic Web
The Semantic Web (SW) offers an opportunity to develop novel, sophisticated forms of question answering (QA). Specifically, the availability of distributed semantic markup on a lar...
Vanessa Lopez, Enrico Motta, Victoria S. Uren