609 search results - page 61 / 122 » Collective spatial keyword querying |
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...
WWW
2009
ACM
14 years 9 months ago
2009
ACM
The question of how to publish an anonymized search log was brought to the forefront by a well-intentioned, but privacy-unaware AOL search log release. Since then a series of ad-h...
GIS
2007
ACM
14 years 9 months ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
MOBIHOC
2003
ACM
14 years 8 months ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
In this paper, an image retrieval methodology suited for search in large collections of heterogeneous images is presented. The proposed approach employs a fully unsupervised segme...