Sciweavers

1265 search results - page 83 / 253
» Metadata management and relational databases
Sort
View
SIGMOD
2008
ACM
145views Database» more  SIGMOD 2008»
15 years 10 months ago
Optimizing complex queries with multiple relation instances
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
Yu Cao, Gopal C. Das, Chee Yong Chan, Kian-Lee Tan
SIGMOD
2007
ACM
188views Database» more  SIGMOD 2007»
15 years 10 months ago
Keyword search on relational data streams
Increasing monitoring of transactions, environmental parameters, homeland security, RFID chips and interactions of online users rapidly establishes new data sources and applicatio...
Alexander Markowetz, Yin Yang, Dimitris Papadias
ICDE
1998
IEEE
124views Database» more  ICDE 1998»
15 years 2 months ago
Compressing Relations and Indexes
We propose a new compression algorithm that is tailored to database applications. It can be applied to a collection of records, and is especially e ective for records with many lo...
Jonathan Goldstein, Raghu Ramakrishnan, Uri Shaft
SIGMOD
2011
ACM
283views Database» more  SIGMOD 2011»
14 years 19 days ago
iReduct: differential privacy with reduced relative errors
Prior work in differential privacy has produced techniques for answering aggregate queries over sensitive data in a privacypreserving way. These techniques achieve privacy by addi...
Xiaokui Xiao, Gabriel Bender, Michael Hay, Johanne...
IDEAS
2009
IEEE
232views Database» more  IDEAS 2009»
15 years 4 months ago
RDFKB: efficient support for RDF inference queries and knowledge management
RDFKB (Resource Description Framework Knowledge Base) is a relational database system for RDF datasets which supports inference and knowledge management. Significant research has ...
James P. McGlothlin, Latifur R. Khan