Sciweavers

2386 search results - page 455 / 478
» Database Security 2000
Sort
View
PODS
2000
ACM
179views Database» more  PODS 2000»
14 years 2 months ago
Selectivity Estimation for Boolean Queries
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukris...
SIGMOD
2000
ACM
133views Database» more  SIGMOD 2000»
14 years 2 months ago
Data Mining on an OLTP System (Nearly) for Free
This paper proposes a scheme for scheduling disk requests that takes advantage of the ability of high-level functions to operate directly at individual disk drives. We show that s...
Erik Riedel, Christos Faloutsos, Gregory R. Ganger...
CIKM
2000
Springer
14 years 2 months ago
Dimensionality Reduction and Similarity Computation by Inner Product Approximations
—As databases increasingly integrate different types of information such as multimedia, spatial, time-series, and scientific data, it becomes necessary to support efficient retri...
Ömer Egecioglu, Hakan Ferhatosmanoglu
DEXA
2000
Springer
132views Database» more  DEXA 2000»
14 years 2 months ago
Improving the Performance of High-Energy Physics Analysis through Bitmap Indices
Abstract. Bitmap indices are popular multi-dimensional data structures for accessing read-mostly data such as data warehouse (DW) applications, decision support systems (DSS) and o...
Kurt Stockinger, Dirk Düllmann, Wolfgang Hosc...
ERCIMDL
2000
Springer
185views Education» more  ERCIMDL 2000»
14 years 1 months ago
CORC: Helping Libraries Take a Leading Role in the Digital Age
The OCLC Cooperative Online Resource Catalog is helping librarians thrive in the digital age. Librarians are using CORC to select, describe, maintain, and provide guided access to ...
Kay Covert