1196 search results - page 182 / 240 » Keyword Search on Spatial Databases |
TDP
2010
13 years 2 months ago
2010
The widespread adoption of location-based services (LBS) raises increasing concerns for the protection of personal location information. A common strategy, referred to as obfuscati...
JCDL
2004
ACM
14 years 1 months ago
2004
ACM
Software tools, including Web browsers, e-books, electronic document formats, search engines, and digital libraries are changing the way people read, making it easier for them to ...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Database queries are often exploratory and users often find their queries return too many answers, many of them irrelevant. Existing work either categorizes or ranks the results t...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Understanding user intent is key to designing an effective ranking system in a search engine. In the absence of any explicit knowledge of user intent, search engines want to diver...
ERCIMDL
2001
Springer
14 years 7 days ago
2001
Springer
This paper proposes an approach to the problem of generating metadata for composite mixed-media digital objects by appropriately combining and exploiting existing knowledge or met...