609 search results - page 50 / 122 » Collective spatial keyword querying |
GIS
2003
ACM
14 years 9 months ago
2003
ACM
Nearest neighbor query is one of the most important operations in spatial databases and their application domains, e.g., locationbased services, advanced traveler information syst...
GIS
2008
ACM
13 years 9 months ago
2008
ACM
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
GEOINFORMATICA
2006
13 years 8 months ago
2006
With the rapid advancements in positioning technologies such as the Global Positioning System (GPS) and wireless communications, the tracking of continuously moving objects has bec...
CLEF
2004
Springer
14 years 15 days ago
2004
Springer
The use of domain-specific metadata (subject keywords) is tested for monolingual and bilingual retrieval on the GIRT social science collection. A new technique, Entry Vocabulary Mo...
SIGIR
2010
ACM
14 years 20 days ago
2010
ACM
In this paper, we present a novel image search system, image search by concept map. This system enables users to indicate not only what semantic concepts are expected to appear bu...