512 search results - page 88 / 103 » Information retrieval in a peer-to-peer environment |
GIS
2009
ACM
14 years 6 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
MOBIDE
2003
ACM
14 years 4 months ago
2003
ACM
This paper presents a general-purpose distributed lookup service, denoted Passive Distributed Indexing (PDI). PDI stores entries in form of (key, value) pairs in index caches loca...
ICAIL
2007
ACM
14 years 3 months ago
2007
ACM
As massive document repositories and knowledge management systems continue to expand, in proprietary environments as well as on the Web, the need for duplicate detection becomes i...
KDD
2010
ACM
13 years 9 months ago
2010
ACM
Identifying hot spots of moving vehicles in an urban area is essential to many smart city applications. The practical research on hot spots in smart city presents many unique feat...
URBAN
2011
13 years 6 months ago
2011
This paper reports on the development and application of strategies and tools for geographic information seeking and knowledge building that leverages unstructured text resources ...