Sciweavers

3891 search results - page 217 / 779
» Query Models
Sort
View
CASCON
2004
108views Education» more  CASCON 2004»
15 years 7 months ago
Consistent query answering under inclusion dependencies
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
Loreto Bravo, Leopoldo E. Bertossi
COMCOM
1998
78views more  COMCOM 1998»
15 years 6 months ago
The performance of SQL queries to an X.500 directory system
The X.500 standard speci es a distributed directory service designed to store information about people and objects associated with computer networks. Its API is geared toward retr...
David Barrowman, Patrick Martin
NIPS
2003
15 years 7 months ago
A Model for Learning the Semantics of Pictures
We propose an approach to learning the semantics of images which allows us to automatically annotate an image with keywords and to retrieve images based on text queries. We do thi...
Victor Lavrenko, R. Manmatha, Jiwoon Jeon
ALGORITHMICA
2004
132views more  ALGORITHMICA 2004»
15 years 6 months ago
A General Model for Authenticated Data Structures
Query answers from on-line databases can easily be corrupted by hackers or malicious database publishers. Thus it is important to provide mechanisms which allow clients to trust th...
Charles U. Martel, Glen Nuckolls, Premkumar T. Dev...
ICDE
2002
IEEE
102views Database» more  ICDE 2002»
16 years 7 months ago
Cost Models for Overlapping and Multi-Version B-Trees
Overlapping and multi-version techniques are two popular frameworks that transform an ephemeral index into a multiple logical-tree structure in order to support versioning databas...
Yufei Tao, Dimitris Papadias, Jun Zhang