1548 search results - page 99 / 310 » Client-Site Query Extensions |
118
Voted
EDBT
2009
ACM
15 years 7 months ago
2009
ACM
In this paper, we identify and solve a new type of spatial queries, called continuous visible nearest neighbor (CVNN) search. Given a data set P, an obstacle set O, and a query li...
127
Voted
DASFAA
2009
IEEE
15 years 6 months ago
2009
IEEE
Abstract. Query expansion has received extensive attention in information retrieval community. Although semantic based query expansion appears to be promising in improving retrieva...
132
Voted
FAW
2009
Springer
15 years 6 months ago
2009
Springer
Abstract. Computing the visibility polygon, VP, of a point in a polygonal scene, is a classical problem that has been studied extensively. In this paper, we consider the problem of...
114
Voted
DMSN
2006
ACM
15 years 6 months ago
2006
ACM
Sensor networks are often used to perform monitoring tasks, such as in animal or vehicle tracking and in surveillance of enemy forces in military applications. In this paper we in...
134
Voted
ADC
2000
Springer
15 years 6 months ago
2000
Springer
Answering range queries is a common database operation. Methods based on hashing techniques to minimise the cost of answering range queries by taking the query distribution into a...