9683 search results - page 281 / 1937 » Query performance prediction |
209
Voted
SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
141
Voted
NAR
2006
15 years 3 months ago
2006
The University of California Santa Cruz Genome Browser Database (GBD) contains sequence and annotation data for the genomes of about a dozen vertebrate species and several major m...
251
click to vote
CIKM
2011
Springer
14 years 3 months ago
2011
Springer
Word prediction performed by language models has an important role in many tasks as e.g. word sense disambiguation, speech recognition, hand-writing recognition, query spelling an...
151
click to vote
VLDB
2002
ACM
15 years 3 months ago
2002
ACM
Accurate prediction of operator execution time is a prerequisite for database query optimization. Although extensively studied for conventional disk-based DBMSs, cost modeling in ...
145
Voted
ACL
2008
15 years 5 months ago
2008
Query expansion is an effective technique to improve the performance of information retrieval systems. Although hand-crafted lexical resources, such as WordNet, could provide more...