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» Querying XML Sources Using an Ontology-Based Mediator
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IIWAS
2004
13 years 9 months ago
Building the Architecture of A Statistics-Based Query Optimization Solution for Heterogeneous Mediators
Access to different and remote sources with heterogeneous formats is one of the most important challenges in Enterprise Information Integration. Even though there exists an increa...
Justo Hidalgo, Alberto Pan, José Losada, Ma...
ER
2003
Springer
173views Database» more  ER 2003»
14 years 1 months ago
Automatic Generation of XQuery View Definitions from ORA-SS Views
Many Internet-based applications have adopted XML as the standard data exchange format. These XML data are typically stored in its native form, thus creating the need to present XM...
Ya Bing Chen, Tok Wang Ling, Mong-Li Lee
EDBT
2004
ACM
313views Database» more  EDBT 2004»
14 years 8 months ago
XQzip: Querying Compressed XML Using Structural Indexing
XML makes data flexible in representation and easily portable on the Web but it also substantially inflates data size as a consequence of using tags to describe data. Although many...
James Cheng, Wilfred Ng
ICEBE
2005
IEEE
96views Business» more  ICEBE 2005»
14 years 1 months ago
Adding Physical Optimization to Cost Models in Information Mediators
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...
Justo Hidalgo, Alberto Pan, José Losada, Ma...
CATA
2003
13 years 9 months ago
Query Processing the Heterogeneous Information Sources using Ontology-based Approach
The problems of accessing and integrating heterogeneous information sources are becoming centerstage problems. One problem arising from accessing heterogeneous sources is semantic...
Ngamnij Arch-int, Yuefeng Li, Paul Roe, Peraphon S...