21 search results - page 4 / 5 » Indexing land surface for efficient kNN query |
SIGMOD
2010
ACM
13 years 6 months ago
2010
ACM
Trajectory search has long been an attractive and challenging topic which blooms various interesting applications in spatial-temporal databases. In this work, we study a new probl...
EDBT
2008
ACM
14 years 6 months ago
2008
ACM
Due to the well-known dimensionality curse problem, search in a high-dimensional space is considered as a "hard" problem. In this paper, a novel symmetrical encoding-bas...
EDBT
2006
ACM
14 years 6 months ago
2006
ACM
Nearest neighbor (NN) queries have been extended from Euclidean spaces to road networks. Existing approaches are either based on Dijkstra-like network expansion or NN/distance prec...
BIBM
2009
IEEE
14 years 25 days ago
2009
IEEE
Background: Similaritysearch in chemical structure databases is an important problem with many applications in chemical genomics, drug design, and efficient chemical probe screeni...
EDBT
2008
ACM
14 years 6 months ago
2008
ACM
Peer Data Management Systems (PDMSs) have been introduced as a solution to the problem of large-scale sharing of semantically rich data. A PDMS consists of semantic peers connecte...