3151 search results - page 394 / 631 » Using query term order for result summarisation |
270
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Rapid advancements in positioning systems and wireless communications enable accurate tracking of continuously moving objects. This development poses new challenges to database te...
164
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PODS
2007
ACM
16 years 6 months ago
2007
ACM
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...
206
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MHCI
2009
Springer
16 years 1 months ago
2009
Springer
We present a study investigating two novel mobile services supporting querying for information in the urban environment using camera equipped smart phones as well as two different...
171
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SG
2007
Springer
16 years 20 days ago
2007
Springer
This paper presents the concept and an evaluation of a novel approach to support students to understand complex spatial relations and to learn unknown terms of a domain-specific t...
177
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CIKM
2004
Springer
15 years 12 months ago
2004
Springer
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...