287 search results - page 43 / 58 » Optimization Techniques for Queries with Expensive Methods |
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Wireless sensor networks have enormous potential to aid data collection in a number of areas, such as environmental and wildlife research. In this paper, we address the challenges...
CIA
2006
Springer
13 years 11 months ago
2006
Springer
We present a hybrid algorithm for distributed task allocation problem in a cooperative logistics domain. Our approach aims to achieve superior computational performance by combinin...
PODS
2002
ACM
14 years 7 months ago
2002
ACM
We consider the fundamental operation of applying a conjunction of selection conditions to a set of records. With large main memories available cheaply, systems may choose to keep...
ESA
2010
Springer
13 years 8 months ago
2010
Springer
Text search engines return a set of k documents ranked by similarity to a query. Typically, documents and queries are drawn from natural language text, which can readily be partiti...
VLDB
1993
ACM
13 years 11 months ago
1993
ACM
In this paper we propose a new declustering method which is particularly suitable for image and cartographic databases used for visualization. Our declustering method is based on ...