Sciweavers

3098 search results - page 157 / 620
» Skyline-join in distributed databases
Sort
View
CRYPTO
2005
Springer
106views Cryptology» more  CRYPTO 2005»
14 years 4 months ago
Secure Computation of Constant-Depth Circuits with Applications to Database Search Problems
Motivated by database search problems such as partial match or nearest neighbor, we present secure multiparty computation protocols for constant-depth circuits. Specifically, for ...
Omer Barkol, Yuval Ishai
VLDB
2005
ACM
121views Database» more  VLDB 2005»
14 years 4 months ago
Improving Database Performance on Simultaneous Multithreading Processors
Simultaneous multithreading (SMT) allows multiple threads to supply instructions to the instruction pipeline of a superscalar processor. Because threads share processor resources,...
Jingren Zhou, John Cieslewicz, Kenneth A. Ross, Mi...
ADBIS
2004
Springer
224views Database» more  ADBIS 2004»
14 years 4 months ago
Using Ontologies for Database Query Reformulation
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
Chokri Ben Necib, Johann Christoph Freytag
VLDB
2004
ACM
245views Database» more  VLDB 2004»
14 years 4 months ago
A Multi-Purpose Implementation of Mandatory Access Control in Relational Database Management Systems
Mandatory Access Control (MAC) implementations in Relational Database Management Systems (RDBMS) have focused solely on Multilevel Security (MLS). MLS has posed a number of challe...
Walid Rjaibi, Paul Bird
IUI
2003
ACM
14 years 4 months ago
Towards a theory of natural language interfaces to databases
The need for Natural Language Interfaces to databases (NLIs) has become increasingly acute as more and more people access information through their web browsers, PDAs, and cell ph...
Ana-Maria Popescu, Oren Etzioni, Henry A. Kautz