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» Data Mining Support in Database Management Systems
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SAC
2008
ACM
15 years 3 months ago
Secure deletion for NAND flash file system
In most file systems, if a file is deleted, only the metadata of the file is deleted or modified and the file's data is still stored on the physical media. Some users require...
Jaeheung Lee, Junyoung Heo, Yookun Cho, Jiman Hong...
HPCA
1999
IEEE
15 years 8 months ago
Impulse: Building a Smarter Memory Controller
Impulse is a new memory system architecture that adds two important features to a traditional memory controller. First, Impulse supports application-specific optimizations through...
John B. Carter, Wilson C. Hsieh, Leigh Stoller, Ma...
PODS
2008
ACM
152views Database» more  PODS 2008»
16 years 4 months ago
Towards a theory of schema-mapping optimization
A schema mapping is a high-level specification that describes the relationship between two database schemas. As schema mappings constitute the essential building blocks of data ex...
Ronald Fagin, Phokion G. Kolaitis, Alan Nash, Luci...
CIKM
2005
Springer
15 years 10 months ago
Towards estimating the number of distinct value combinations for a set of attributes
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...
Xiaohui Yu, Calisto Zuzarte, Kenneth C. Sevcik
IUI
2006
ACM
15 years 10 months ago
A hybrid learning system for recognizing user tasks from desktop activities and email messages
The TaskTracer system seeks to help multi-tasking users manage the resources that they create and access while carrying out their work activities. It does this by associating with...
Jianqiang Shen, Lida Li, Thomas G. Dietterich, Jon...