339 search results - page 1 / 68 » Improved Query Performance with Variant Indexes |
SIGMOD
1997
ACM
13 years 8 months ago
1997
ACM
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...
EDBT
1998
ACM
13 years 8 months ago
1998
ACM
Abstract. In this paper, we propose a new bulk-loading technique for high-dimensional indexes which represent an important component of multimedia database systems. Since it is ver...
DEXA
2003
Springer
13 years 9 months ago
2003
Springer
Moving-objects databases need a spatio-temporal indexing scheme for moving objects to efficiently process queries over continuously changing locations of the objects. A simple exte...
SIGKDD
2010
12 years 11 months ago
2010
The aim of latent semantic indexing (LSI) is to uncover the relationships between terms, hidden concepts, and documents. LSI uses the matrix factorization technique known as singu...
IPPS
1998
IEEE
13 years 8 months ago
1998
IEEE
Multi-dimensional index structures such as R-trees enable fast searching in high-dimensional spaces. They differ from uni-dimensional structures in the following aspects: (1) inde...