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» Efficient Algorithms for k -Disjoint Paths Problems on DAGs
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STOC
2009
ACM
271views Algorithms» more  STOC 2009»
14 years 8 months ago
A fast and efficient algorithm for low-rank approximation of a matrix
The low-rank matrix approximation problem involves finding of a rank k version of a m ? n matrix AAA, labeled AAAk, such that AAAk is as "close" as possible to the best ...
Nam H. Nguyen, Thong T. Do, Trac D. Tran
ICDE
2003
IEEE
170views Database» more  ICDE 2003»
14 years 9 months ago
Keyword Proximity Search on XML Graphs
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
Vagelis Hristidis, Yannis Papakonstantinou, Andrey...
JPDC
2010
137views more  JPDC 2010»
13 years 6 months ago
Parallel exact inference on the Cell Broadband Engine processor
—We present the design and implementation of a parallel exact inference algorithm on the Cell Broadband Engine (Cell BE). Exact inference is a key problem in exploring probabilis...
Yinglong Xia, Viktor K. Prasanna
PVLDB
2008
121views more  PVLDB 2008»
13 years 7 months ago
Type inference and type checking for queries on execution traces
This paper studies, for the first time, the management of type information for an important class of semi-structured data: nested DAGs (Directed Acyclic Graphs) that describe exec...
Daniel Deutch, Tova Milo
CORR
2008
Springer
103views Education» more  CORR 2008»
13 years 7 months ago
Path Loss Exponent Estimation in Large Wireless Networks
In wireless channels, the path loss exponent (PLE) has a strong impact on the quality of the links, and hence, it needs to be accurately estimated for the efficient design and oper...
Sunil Srinivasa, Martin Haenggi