Sciweavers

SAC
2005
ACM
14 years 5 months ago
A pivot-based index structure for combination of feature vectors
We present a novel indexing schema that provides eļ¬ƒcient nearest-neighbor queries in multimedia databases consisting of objects described by multiple feature vectors. The beneļ¬...
Benjamin Bustos, Daniel A. Keim, Tobias Schreck
ICDE
2003
IEEE
143views Database» more  ICDE 2003»
15 years 1 months ago
Querying Imprecise Data in Moving Object Environments
In moving object environments, it is infeasible for the database tracking the movement of objects to store the exact locations of objects at all times. Typically, the location of a...
Reynold Cheng, Sunil Prabhakar, Dmitri V. Kalashni...
ICDE
2008
IEEE
563views Database» more  ICDE 2008»
15 years 12 months ago
Probabilistic Verifiers: Evaluating Constrained Nearest-Neighbor Queries over Uncertain Data
In applications like location-based services, sensor monitoring and biological databases, the values of the database items are inherently uncertain in nature. An important query fo...
Reynold Cheng, Jinchuan Chen, Mohamed F. Mokbel, C...