948 search results - page 60 / 190 » On Spatial Information Retrieval and Database Generalization |
GIS
2009
ACM
14 years 3 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...
CIKM
2009
Springer
14 years 12 days ago
2009
Springer
Supporting semantic queries in relational databases is essential to many advanced applications. Recently, with the increasing use of ontology in various applications, the need for...
ML
2000
ACM
13 years 8 months ago
2000
ACM
This paper discusses a novel distributed adaptive algorithm and representation used to construct populations of adaptive Web agents. These InfoSpiders browse networked information ...
CCS
2010
ACM
14 years 1 months ago
2010
ACM
Private Information Retrieval (PIR) protocols allow users to learn data items stored at a server which is not fully trusted, without disclosing to the server the particular data e...
GIR
2007
ACM
14 years 29 days ago
2007
ACM
In this paper, we present a preliminary study of geographic query words, which users' tend to re-use. The categories of the words demonstrate that geographically related word...