1832 search results - page 187 / 367 » Querying RDF Data Using A Multigraph-based Approach |
170
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SIGMOD
1997
ACM
15 years 10 months ago
1997
ACM
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...
282
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ICDE
2000
IEEE
16 years 7 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
170
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EDBT
2010
ACM
15 years 11 months ago
2010
ACM
The wide availability of commodity multi-core systems presents an opportunity to address the latency issues that have plaqued XML query processing. However, simply executing multi...
163
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ECIR
2009
Springer
16 years 3 months ago
2009
Springer
Many different ranking algorithms based on content and context have been used in web search engines to find pages based on a user query. Furthermore, to achieve better performance ...
187
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WEBDB
1998
Springer
15 years 10 months ago
1998
Springer
Semistructured graph-based databases have been proposed as well-suited stores for World-Wide Web data. Yet so far, languages for querying such data are too complex for casual Web ...