1832 search results - page 198 / 367 » Querying RDF Data Using A Multigraph-based Approach |
175
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MOBIHOC
2003
ACM
16 years 6 months ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
216
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BMCBI
2010
15 years 3 months ago
2010
Background: With the expansion of public repositories such as the Gene Expression Omnibus (GEO), we are rapidly cataloging cellular transcriptional responses to diverse experiment...
167
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
182
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VLDB
2004
ACM
15 years 12 months ago
2004
ACM
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...
188
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AAAI
2008
15 years 8 months ago
2008
Online services such as web search, news portals, and ecommerce applications face the challenge of providing highquality experiences to a large, heterogeneous user base. Recent ef...