763 search results - page 104 / 153 » Effective query formulation with multiple information source... |
172
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VLDB
2008
ACM
15 years 10 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
103
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EDBT
2010
ACM
14 years 11 months ago
2010
ACM
Keyword-based search in relational databases allows users to discover relevant information without knowing the database schema or using complicated queries. However, such searches...
CHI
2007
ACM
15 years 10 months ago
2007
ACM
Middle and high-school science teachers have traditionally introduced current events in the classroom to leverage news topics relevant to the curriculum, such as the Sumatra Tsuna...
102
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WCNC
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—Cognitive radio networks (CRN) may greatly enhance the throughput based on a given bandwidth. CRN has a unique feature, consisting of uni-directional opportunistic wirel...
NLUCS
2004
14 years 11 months ago
2004
The advantage of cognitively motivated automatic summarizing is that human users can better understand what happens. This improves acceptability. The basic empirical finding in hum...