1933 search results - page 285 / 387 » Query Containment Using Views |
130
Voted
SBBD
2001
15 years 4 months ago
2001
There are several auxiliary pre-computed access structures that allow faster answers by reading less base data. Examples are materialized views, join indexes, B-tree and bitmap in...
114
Voted
TREC
2007
15 years 3 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 ...
122
Voted
WEBDB
2009
Springer
15 years 9 months ago
2009
Springer
We study the problem of automatically discovering semantic associations between schema elements, namely foreign keys. This problem is important in all applications where data sets...
110
Voted
CLEF
2006
Springer
15 years 6 months ago
2006
Springer
This paper presents Wolverhampton University's participation in the WiQA competition. The method chosen for this task combines a high precision, but low recall information re...
123
Voted
ER
2006
Springer
15 years 6 months ago
2006
Springer
Statistical summaries in relational databases mainly focus on the distribution of data values and have been found useful for various applications, such as query evaluation and data...