282 search results - page 40 / 57 » Robust Query Processing through Progressive Optimization |
HPCS
2006
IEEE
14 years 4 months ago
2006
IEEE
This paper presents collaborative agents system architecture approach for data dissemination in a wireless sensor network (WSN). This system architecture consists of four layers o...
MDM
2010
Springer
13 years 8 months ago
2010
Springer
—We present an optimal distributed algorithm to adapt the placement of a single operator in high communication cost networks, such as a wireless sensor network. Our parameterfree...
ICASSP
2009
IEEE
14 years 5 months ago
2009
IEEE
In this paper, we describe CALM, a method for building statistical language models for the Web. CALM addresses several unique challenges dealing with the Web contents. First, CALM...
CIKM
2009
Springer
14 years 1 months ago
2009
Springer
While provenance has been extensively studied in the literature, the efficient evaluation of provenance queries remains an open problem. Traditional query optimization techniques...
PVLDB
2010
13 years 5 months ago
2010
Database evolution is the process of updating the schema of a database or data warehouse (schema evolution) and evolving the data to the updated schema (data evolution). Database ...