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» Optimizing Queries with Materialized Views
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ASPLOS
2006
ACM
13 years 9 months ago
Tradeoffs in fine-grained heap memory protection
Different uses of memory protection schemes have different needs in terms of granularity. For example, heap security can benefit from chunk separation (by using protected "pa...
Jianli Shen, Guru Venkataramani, Milos Prvulovic
SIGMOD
2011
ACM
299views Database» more  SIGMOD 2011»
12 years 10 months ago
Processing theta-joins using MapReduce
Joins are essential for many data analysis tasks, but are not supported directly by the MapReduce paradigm. While there has been progress on equi-joins, implementation of join alg...
Alper Okcan, Mirek Riedewald
VLDB
2004
ACM
245views Database» more  VLDB 2004»
14 years 23 days 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
VLDB
2004
ACM
180views Database» more  VLDB 2004»
14 years 23 days ago
Bloom Histogram: Path Selectivity Estimation for XML Data with Updates
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
Wei Wang 0011, Haifeng Jiang, Hongjun Lu, Jeffrey ...
SIGGRAPH
2010
ACM
13 years 12 months ago
OptiX: a general purpose ray tracing engine
The NVIDIA® OptiX™ ray tracing engine is a programmable system designed for NVIDIA GPUs and other highly parallel architectures. The OptiX engine builds on the key observation ...
Steven G. Parker, James Bigler, Andreas Dietrich, ...