3269 search results - page 319 / 654 » Query Optimization for XML |
172
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ER
2004
Springer
15 years 10 months ago
2004
Springer
The envisioned Semantic Web aims to provide richly annotated and explicitly structured Web pages in XML, RDF, or description logics, based upon underlying ontologies and thesauri. ...
173
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EDBT
2012
ACM
13 years 7 months 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...
152
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WWW
2009
ACM
16 years 5 months ago
2009
ACM
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...
135
Voted
SIGMOD
1996
ACM
15 years 9 months ago
1996
ACM
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
171
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ODBIS
2007
Springer
15 years 11 months ago
2007
Springer
Supporting SPARQL queries over relational databases becomes an active topic recently. However, it has not received enough consideration when SPARQL queries include restrictions on...