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WWW
2011
ACM
13 years 1 months ago
Rewriting queries on SPARQL views
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
Wangchao Le, Songyun Duan, Anastasios Kementsietsi...
DAMON
2009
Springer
14 years 19 days ago
Evaluating and repairing write performance on flash devices
In the last few years NAND flash storage has become more and more popular as price per GB and capacity both improve at exponential rates. Flash memory offers significant bene...
Radu Stoica, Manos Athanassoulis, Ryan Johnson, An...
SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
14 years 6 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou