3969 search results - page 723 / 794 » Query Processing Using Ontologies |
207
Voted
SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
215
Voted
SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
132
Voted
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...
119
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WSDM
2009
ACM
15 years 9 months ago
2009
ACM
This paper proposes a novel application of a statistical language model to opinionated document retrieval targeting weblogs (blogs). In particular, we explore the use of the trigg...
128
click to vote
WSDM
2009
ACM
15 years 9 months ago
2009
ACM
The ranking function used by search engines to order results is learned from labeled training data. Each training point is a (query, URL) pair that is labeled by a human judge who...