1567 search results - page 248 / 314 » Compressing Relations and Indexes |
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
This paper analyzes the performance of concurrent (index) scan operations in both record (NSM/PAX) and column (DSM) disk storage models and shows that existing scheduling policies...
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
A common criticism of database systems is that they are hard to query for users uncomfortable with a formal query language. To address this problem, form-based interfaces and keyw...
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
Applications like multimedia retrieval require efficient support for similarity search on large data collections. Yet, nearest neighbor search is a difficult problem in high dimen...
ECIR
2009
Springer
14 years 7 months ago
2009
Springer
The aim of query-based sampling is to obtain a sufficient, representative sample of an underlying (text) collection. Current measures for assessing sample quality are too coarse gr...
ALT
2000
Springer
14 years 7 months ago
2000
Springer
This paper provides a systematic study of inductive inference of indexable concept classes in learning scenarios in which the learner is successful if its final hypothesis describ...