8763 search results - page 334 / 1753 » Querying Database Knowledge |
157
click to vote
CORR
2010
Springer
15 years 6 months ago
2010
Springer
In this report, we unify two quite distinct approaches to information retrieval: region models and language models. Region models were developed for structured document retrieval....
174
click to vote
PROCEDIA
2010
15 years 5 months ago
2010
This study is devoted to exploring possible applications of GPU technology for acceleration of the database access. We use the n-gram based approximate text search engine as a tes...
194
click to vote
DEXA
2003
Springer
15 years 12 months ago
2003
Springer
: We demonstrate an approach to transform keyword queries automatically into queries that combine keywords appropriately by boolean operations, such as and and or. Our approach is ...
261
click to vote
ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
Queries with (equality or LIKE) selection predicates over string attributes are widely used in relational databases. However, state-of-the-art techniques for estimating selectivit...
161
click to vote
SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
The XQuery formalization is an ongoing effort of the W3C XML Query working group to define a precise formal semantics for XQuery. This paper briefly introduces the current state o...