1175 search results - page 11 / 235 » Querying by examples |
SIGMOD
1992
ACM
13 years 11 months ago
1992
ACM
This paper describes the Query Rewrite facility of the Starburst extensible database system, a novel phase of query optimization. We present a suite of rewrite rules used in Starb...
EMNLP
2007
13 years 9 months ago
2007
Query segmentation is the process of taking a user’s search-engine query and dividing the tokens into individual phrases or semantic units. Identification of these query segmen...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Skyline query processing has been investigated extensively in recent years, mostly for only one query reference point. An example of a single-source skyline query is to find hotel...
ESWS
2009
Springer
14 years 2 months ago
2009
Springer
This thesis investigates the question whether and how ontologies such as the ones currently evolving in the Semantic Web can serve as knowledge structures for the generation of que...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
The query equivalence problem has been studied extensively for set-semantics and, more recently, for bag-set semantics. However, SQL queries often combine set and bag-set semantic...