324 search results - page 1 / 65 » Application of bitmap index to information retrieval |
WWW
2008
ACM
14 years 5 months ago
2008
ACM
To solve this problem, we devised the HS-bitmap index, which is hierarchically comprised of compressed data of summary bits. A summary bit in an upper matrix is obtained by logical...
CIKM
2009
Springer
13 years 11 months ago
2009
Springer
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
Many scientific applications generate massive volumes of data through observations or computer simulations, bringing up the need for effective indexing methods for efficient stora...
VISUALIZATION
2005
IEEE
13 years 10 months ago
2005
IEEE
We present a practical and general-purpose approach to large and complex visual data analysis where visualization processing, rendering and subsequent human interpretation is cons...
SPIRE
2009
Springer
13 years 11 months ago
2009
Springer
We introduce a symbol reordering technique that implicitly synchronizes variable-length codes, such that it is possible to directly access the i-th codeword without need of any sam...