588 search results - page 18 / 118 » Positive higher-order queries |
125
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SIGMOD
2004
ACM
16 years 1 months ago
2004
ACM
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...
TREC
2000
15 years 3 months ago
2000
For TREC-9, we focused on effectiveness in the web track. The key techniques we employed were information fusion, entity-based relevance feedback, Wordnet-based query parsing and ...
131
Voted
GEOINFORMATICA
2006
15 years 1 months ago
2006
With the rapid advancements in positioning technologies such as the Global Positioning System (GPS) and wireless communications, the tracking of continuously moving objects has bec...
142
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IPL
2007
15 years 1 months ago
2007
Bloom Filters provide space-efficient storage of sets at the cost of a probability of false positives on membership queries. The size of the filter must be defined a priori bas...
206
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ICDE
2007
IEEE
16 years 3 months ago
2007
IEEE
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...