269 search results - page 16 / 54 » On Tree Pattern Query Rewriting Using Views |
110
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PODS
2007
ACM
16 years 2 months ago
2007
ACM
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...
ICDT
2001
ACM
15 years 6 months ago
2001
ACM
Abstract. The problem of answering queries using views has been studied extensively due to its relevance in a wide variety of data-management applications. In these applications, w...
121
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SOFSEM
2004
Springer
15 years 7 months ago
2004
Springer
We propose an efficient approach for finding relevant XML data twigs defined by unordered query tree specifications. We use the tree signatures as the index structure and find...
138
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DILS
2006
Springer
15 years 5 months ago
2006
Springer
The Open Biomedical Ontologies (OBO) is a consortium that serves as a repository of ontologies that are structured like directed acyclic graphs. In this paper we present a language...
204
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VLDB
2007
ACM
16 years 2 months ago
2007
ACM
The database community is on a constant quest for better integration of data management and knowledge management. Recently, with the increasing use of ontology in various applicat...