950 search results - page 61 / 190 » Evaluation over thousands of queries |
ICDT
1999
ACM
14 years 2 months ago
1999
ACM
A large number of database index structures have been proposed over the last two decades, and little consensus has emerged regarding their relative e ectiveness. In order to empir...
LREC
2008
13 years 11 months ago
2008
Word sketches are part of the Sketch Engine corpus query system. They represent automatic, corpus-derived summaries of the words' grammatical and collocational behaviour. Bes...
VLDB
1998
ACM
14 years 2 months ago
1998
ACM
Many applications compute aggregate functions over an attribute (or set of attributes) to find aggregate values above some specified threshold. We call such queries iceberg querie...
PVLDB
2010
13 years 8 months ago
2010
The current widespread use of location-based services and GPS technologies has revived interest in very fast and scalable shortest path queries. We introduce a new shortest path q...
AMT
2010
Springer
13 years 10 months ago
2010
Springer
One of the fundamental challenges in designing an image retrieval system is choosing a method by which the images that match a given query are presented to the searcher. Traditiona...