Sciweavers

2114 search results - page 253 / 423
» Performance Evaluation on a Real-Time Database
Sort
View
GIS
2006
ACM
16 years 5 months ago
Filtering with raster signatures
Efficient evaluation of spatial queries is an important issue in spatial database. Among spatial operations, spatial join is very useful, intersection being the most common predic...
Leonardo Guerreiro Azevedo, Ralf Hartmut Güti...
EDBT
2004
ACM
143views Database» more  EDBT 2004»
16 years 4 months ago
OGSA-DQP: A Service for Distributed Querying on the Grid
OGSA-DQP is a distributed query processor exposed to users as an Open Grid Services Architecture (OGSA)-compliant Grid service. This service supports the compilation and evaluation...
M. Nedim Alpdemir, Arijit Mukherjee, Anastasios Go...
MM
2006
ACM
167views Multimedia» more  MM 2006»
15 years 10 months ago
Image annotation by large-scale content-based image retrieval
Image annotation has been an active research topic in recent years due to its potentially large impact on both image understanding and Web image search. In this paper, we target a...
Xirong Li, Le Chen, Lei Zhang, Fuzong Lin, Wei-Yin...
MIS
2004
Springer
162views Multimedia» more  MIS 2004»
15 years 10 months ago
Integrating the Results of Multimedia Sub-Queries Using Qualitative Preferences
When similarity queries over multimedia databases are processed by splitting the overall query condition into a set of sub-queries, the problem of how to efficiently and effectiv...
Ilaria Bartolini, Paolo Ciaccia, Vincent Oria, M. ...
EDBT
2010
ACM
185views Database» more  EDBT 2010»
15 years 6 months ago
Probabilistic threshold k nearest neighbor queries over moving objects in symbolic indoor space
The availability of indoor positioning renders it possible to deploy location-based services in indoor spaces. Many such services will benefit from the efficient support for k n...
Bin Yang 0002, Hua Lu, Christian S. Jensen