781 search results - page 149 / 157 » Query Processing in ROSA Data Model |
TREC
2007
14 years 10 months ago
2007
For the legal track we used the Wumpus search engine and investigated several methods that have proven successful in other domains, including cover density ranking and Okapi BM25 ...
WWW
2004
ACM
15 years 10 months ago
2004
ACM
Web Information Systems (WIS) support the process of retrieving information from sources on the Web and of presenting them as a hypermedia presentation. Most WIS design ogies focu...
CIKM
2005
Springer
15 years 3 months ago
2005
Springer
This paper presents an evaluation of evolved term-weighting schemes on short, medium and long TREC queries. A previously evolved global (collection-wide) term-weighting scheme is ...
CIKM
2004
Springer
15 years 2 months ago
2004
Springer
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...
SSDBM
1998
IEEE
15 years 1 months ago
1998
IEEE
In several working environments, production involves repeated executions of certain procedures. A workflow describes the individual tasks performed in these procedures and their i...