353 search results - page 47 / 71 » Processing Top-k Join Queries |
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
— Multi-criteria decision support (MCDS) is crucial in many business and web applications such as web searches, B2B portals and on-line commerce. Such MCDS applications need to r...
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
DAMON
2006
Springer
13 years 11 months ago
2006
Springer
Hashing is one of the fundamental techniques used to implement query processing operators such as grouping, aggregation and join. This paper studies the interaction between modern...
CIKM
2004
Springer
13 years 11 months ago
2004
Springer
With the growing importance of semi-structure data in information exchange, much research has been done to provide an effective mechanism to match a twig query in an XML database....
BNCOD
1997
13 years 9 months ago
1997
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...