339 search results - page 21 / 68 » Improved Query Performance with Variant Indexes |
SWAP
2008
14 years 11 months ago
2008
The traditional strategy performed by Information Retrieval (IR) systems is ranked keyword search: for a given query, a list of documents, ordered by relevance, is returned. Releva...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
This paper presents Dynamic IPL B+ -tree (d-IPL in short) as a B+ -tree index variant for flash-based storage systems. The d-IPL B+ -tree adopts a dynamic In-Page Logging (IPL) s...
PVLDB
2010
14 years 8 months ago
2010
We describe an automatic database design tool that exploits correlations between attributes when recommending materialized views (MVs) and indexes. Although there is a substantial...
157
click to vote
SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
Regulations require businesses to archive many electronic documents for extended periods of time. Given the sheer volume of documents and the response time requirements, documents...
SSDBM
2002
IEEE
15 years 3 months ago
2002
IEEE
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...