735 search results - page 53 / 147 » Query Optimization In Compressed Database Systems |
CIDR
2009
13 years 10 months ago
2009
In database query processing, actual run-time conditions (e.g., actual selectivities and actual available memory) very often differ from compile-time expectations of run-time cond...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
TREC
1993
13 years 10 months ago
1993
Management and retrieval of large volumes of text can be expensive in both space and time. Moreover, the range of document sizes in a large collection such as trec presents difficu...
MIR
2004
ACM
14 years 2 months ago
2004
ACM
We present in this paper a CBIR system for use in a psychological study of the relationship between human movement and Dyslexia. The system allows access to up to 500 hours of vid...
VLDB
1999
ACM
14 years 1 months ago
1999
ACM
Data intensive applications today usually run in either a clientserver or a middleware environment. In either case, they must efficiently handle both database queries, which proc...