948 search results - page 128 / 190 » On Spatial Information Retrieval and Database Generalization |
GIS
2007
ACM
14 years 11 months ago
2007
ACM
In this paper, we present an original network graph embedding to speed-up distance-range and k-nearest neighbor queries in (weighted) graphs. Our approach implements the paradigm ...
WWW
2006
ACM
14 years 11 months ago
2006
ACM
Previous work on spatio-temporal analysis of news items and other documents has largely focused on broad categorization of small text collections by region or country. A system fo...
SAC
2010
ACM
14 years 5 months ago
2010
ACM
Extensive research activities are recently directed towards the Semantic Web as a future form of the Web. Consequently, Web search as the key technology of the Web is evolving tow...
CIKM
2009
Springer
14 years 5 months ago
2009
Springer
Eye tracking experiments have shown that titles of Web search results play a crucial role in guiding a user’s search process. We present a machine-learned algorithm that trains ...
CIKM
2009
Springer
14 years 5 months ago
2009
Springer
We study the problem of creating highly compressed fulltext index structures for versioned document collections, that is, collections that contain multiple versions of each docume...