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PODS
2011
ACM
238views Database» more  PODS 2011»
14 years 17 days ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
VLDB
2004
ACM
245views Database» more  VLDB 2004»
15 years 3 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
SIGIR
2010
ACM
15 years 1 months ago
Self-taught hashing for fast similarity search
The ability of fast similarity search at large scale is of great importance to many Information Retrieval (IR) applications. A promising way to accelerate similarity search is sem...
Dell Zhang, Jun Wang, Deng Cai, Jinsong Lu
BIB
2011
14 years 1 months ago
Using cross-validation to evaluate predictive accuracy of survival risk classifiers based on high-dimensional data
Developments in whole genome biotechnology have stimulated statistical focus on prediction methods. We review here methodology for classifying patients into survival risk groups a...
Richard M. Simon, Jyothi Subramanian, Ming-Chung L...
CF
2009
ACM
15 years 4 months ago
Mapping the LU decomposition on a many-core architecture: challenges and solutions
Recently, multi-core architectures with alternative memory subsystem designs have emerged. Instead of using hardwaremanaged cache hierarchies, they employ software-managed embedde...
Ioannis E. Venetis, Guang R. Gao