2724 search results - page 146 / 545 » Optimizing Queries on Files |
202
click to vote
SIGMOD
2007
ACM
16 years 3 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...
127
click to vote
ICEBE
2005
IEEE
15 years 9 months ago
2005
IEEE
Electronic commerce is emerging as a major application area for database systems. A large number of e-commerce stores provide electronic product catalogs that allow customers to s...
139
click to vote
PPDP
2010
Springer
15 years 1 months ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
105
click to vote
ISM
2006
IEEE
15 years 9 months ago
2006
IEEE
Currently, most search engines are text-based and their structures are centralized. These kinds of engine are sufficient for searching text information in Internet. However, while...
161
Voted
DEXA
2009
Springer
15 years 6 months ago
2009
Springer
Peer-to-Peer (P2P) data integration combines the P2P infrastructure with traditional scheme-based data integration techniques. Some of the primary problems in this research area ar...