556 search results - page 40 / 112 » Evaluation of probabilistic queries in moving objects databa... |
WEBDB
2005
Springer
14 years 27 days ago
2005
Springer
Efficient query processing in P2P-based Web integration systems poses a variety of challenges resulting from the strict decentralization and limited knowledge. As a special probl...
SISAP
2008
IEEE
14 years 1 months ago
2008
IEEE
Similarity search has been proved suitable for searching in very large collections of unstructured data objects. We are interested in efficient parallel query processing under si...
CSREAEEE
2006
13 years 8 months ago
2006
- Inherent limitations of mobile computing environment such as limited bandwidth, limited resourced mobile phones, and instability of wireless environment require summarized mobile...
PODS
1993
ACM
13 years 11 months ago
1993
ACM
In this paper, we motivate four di erent user de ned window query classes and derive a probabilistic model for each of them. For each model, we characterize the e ciency of spatia...
ICDE
1998
IEEE
14 years 8 months ago
1998
IEEE
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...