2674 search results - page 229 / 535 » Data Models and Query Languages for Spatial Databases |
194
click to vote
ER
1998
Springer
15 years 10 months ago
1998
Springer
Data warehouses are complex systems that have to deliver highly-aggregated, high quality data from heterogeneous sources to decision makers. Due to the dynamic change in the requir...
306
click to vote
VLDB
2005
ACM
16 years 6 months ago
2005
ACM
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...
183
click to vote
EDBT
2009
ACM
15 years 10 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
139
click to vote
CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Leveraging information from relevance assessments has been proposed as an effective means for improving retrieval. We introduce a novel language modeling method which uses inform...
208
click to vote
ICDE
2012
IEEE
13 years 8 months ago
2012
IEEE
Abstract— Previous work has introduced probability distributions as first-class components in uncertain stream database systems. A lacking element is the fact of how accurate the...