429 search results - page 74 / 86 » A SAT approach to query optimization in mediator systems |
BDA
2006
13 years 10 months ago
2006
XML data projection (or pruning) is one of the main optimization techniques recently adopted in the context of main-memory XML query-engines. The underlying idea is quite simple: ...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Labeling schemes lie at the core of query processing for many XML database management systems. Designing labeling schemes for dynamic XML documents is an important problem that ha...
CIDR
2007
13 years 10 months ago
2007
Database indices provide a non-discriminative navigational infrastructure to localize tuples of interest. Their maintenance cost is taken during database updates. In this paper, w...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
Current search mechanisms of DHT-based P2P systems can well handle a single keyword search problem. Other than single keyword search, multi-keyword search is quite popular and use...
AIRS
2005
Springer
14 years 2 months ago
2005
Springer
The automatic detection of novelty, or newness, as part of an information retrieval system would greatly improve a searcher’s experience by presenting “documents” in order of...