2228 search results - page 270 / 446 » A System for Semantic Query Optimization |
SIGMOD
2010
ACM
13 years 6 months ago
2010
ACM
Effective keyword search on image databases is a major open problem, due to the inherent imprecision of keywords (tags) used to describe images' content. In this paper we pre...
SIGMOD
2012
ACM
11 years 10 months ago
2012
ACM
We present BloomUnit, a testing framework for distributed programs written in the Bloom language. BloomUnit allows developers to write declarative test specifications that descri...
CIKM
2009
Springer
13 years 11 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...
EDBT
2009
ACM
14 years 7 days ago
2009
ACM
Many Web applications are based on dynamic interactions between Web components exchanging flows of information. Such a situation arises for instance in mashup systems or when moni...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Traditional DBMSs decouple statistics collection and query optimization both in space and time. Decoupling in time may lead to outdated statistics. Decoupling in space may cause s...