404 search results - page 55 / 81 » Ontology-Based Spatial Query Expansion in Information Retrie... |
GIR
2007
ACM
15 years 1 months ago
2007
ACM
In this paper, we present a preliminary study of geographic query words, which users' tend to re-use. The categories of the words demonstrate that geographically related word...
88
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SIGIR
2010
ACM
15 years 1 months ago
2010
ACM
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
HT
2005
ACM
15 years 3 months ago
2005
ACM
This paper introduces a new method for linking the world view of the search engine user community with that of the search engine itself. This new method is based on collecting and...
168
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) range close-pair query...
78
Voted
WWW
2006
ACM
15 years 10 months ago
2006
ACM
We address the problem of answering broad-topic queries on the World Wide Web. We present a link based analysis algorithm SelHITS, which is an improvement over Kleinberg's HI...