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» Nested Ordered Sets and their Use for Data Modelling
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DMDW
2000
161views Management» more  DMDW 2000»
15 years 1 months ago
View materialization for nested GPSJ queries
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
Matteo Golfarelli, Stefano Rizzi
PODS
2008
ACM
143views Database» more  PODS 2008»
16 years 16 days ago
XPath, transitive closure logic, and nested tree walking automata
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
Balder ten Cate, Luc Segoufin
ICDE
2010
IEEE
408views Database» more  ICDE 2010»
15 years 7 months ago
Hive - a petabyte scale data warehouse using Hadoop
— The size of data sets being collected and analyzed in the industry for business intelligence is growing rapidly, making traditional warehousing solutions prohibitively expensiv...
Ashish Thusoo, Joydeep Sen Sarma, Namit Jain, Zhen...
125
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FMCAD
1998
Springer
15 years 4 months ago
Combining Symbolic Model Checking with Uninterpreted Functions for Out-of-Order Processor Verification
We present a new approach to the verification of hardware systems with data dependencies using temporal logic symbolic model checking. As a benchmark we take Tomasulo's algori...
Sergey Berezin, Armin Biere, Edmund M. Clarke, Yun...
JACM
2010
208views more  JACM 2010»
14 years 11 months ago
The nested chinese restaurant process and bayesian nonparametric inference of topic hierarchies
clustering of documents according to sharing of topics at multiple levels of abstraction. Given a corpus of documents, a posterior inference algorithm finds an approximation to a ...
David M. Blei, Thomas L. Griffiths, Michael I. Jor...