588 search results - page 47 / 118 » Positive higher-order queries |
103
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GIR
2006
ACM
15 years 7 months ago
2006
ACM
In this paper, we introduce a geographic similarity operator that computes the relatedness between two geographic places and describe how it is combined with textual ranking. The ...
135
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CIVR
2005
Springer
15 years 7 months ago
2005
Springer
Large video collections present a unique set of challenges to the search system designer. Text transcripts do not always provide an accurate index to the visual content, and the pe...
ER
2001
Springer
15 years 6 months ago
2001
Springer
Rapid development of information technology such as mobile terminals and GPS systems enabled information services that provide location-oriented information based on users’ posit...
115
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COMPSAC
1996
IEEE
15 years 6 months ago
1996
IEEE
We present the architecture and design details of a logic database system that extends functionality in a number of ways. The system supports indefinite (non-Horn) facts in extens...
VLDB
1994
ACM
15 years 6 months ago
1994
ACM
This paper introduces a new data structure, called V-trees, designed to store long sequences of points in 2D space and yet allow efficient access to their fragments. They also opt...