9683 search results - page 161 / 1937 » Query performance prediction |
106
Voted
EMNLP
2008
15 years 3 months ago
2008
The performance of machine translation systems varies greatly depending on the source and target languages involved. Determining the contribution of different characteristics of l...
235
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ICDE
2007
IEEE
16 years 3 months ago
2007
IEEE
Optimizing nested queries is an intricate problem. It becomes even harder if in a nested query the linking predicate or the correlation predicate occurs disjunctively. We present ...
105
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ICPR
2008
IEEE
16 years 3 months ago
2008
IEEE
Querying any information system requires the knowledge of some formal language, making it inaccessible to computer-na?ve potential users. We propose a new intuitive querying mecha...
135
Voted
SDMW
2007
Springer
15 years 8 months ago
2007
Springer
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
126
Voted
DEXAW
1999
IEEE
15 years 6 months ago
1999
IEEE
In the environment of wide-area networks such as the Internet, distributed query processing becomes problematic due to the changing coming from both underlying networks and user&#...