1445 search results - page 65 / 289 » XPath query containment |
104
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EDBT
2012
ACM
13 years 7 days ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
136
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IHI
2012
13 years 5 months ago
2012
We present a novel software tool called CDN (Collaborative Data Network) for large-scale sharing and querying of clinical documents modeled using HL7 v3 standard (e.g., Clinical D...
ICDT
2007
ACM
15 years 4 months ago
2007
ACM
In this paper, we introduce preferential regular path queries. These are regular path queries whose symbols are annotated with preference weights for “scaling” up or down the i...
ICEIS
2003
IEEE
15 years 3 months ago
2003
IEEE
: We propose in this article an object-oriented approach to rewriting queries using views. Our approach aims to mitigate certain limitations of existing query rewriting approaches....
EMNLP
2007
14 years 11 months ago
2007
Query segmentation is the process of taking a user’s search-engine query and dividing the tokens into individual phrases or semantic units. Identification of these query segmen...