6615 search results - page 82 / 1323 » Indexing Multiple Sets |
DASFAA
2007
IEEE
15 years 6 months ago
2007
IEEE
To support secure exchanging and sharing of XML data over the Internet, a myriad of XML access control mechanisms have been proposed. In the setting of node-level fine-grained acc...
IPL
2006
14 years 12 months ago
2006
We present a matrix multiplication based algorithm for counting the number of (induced) occurrences of a fixed r-uniform hypergraph in a larger hypergraph. In many cases, the runn...
SIGMOD
2005
ACM
16 years 1 days ago
2005
ACM
As critical records are increasingly stored in electronic form, which tends to make for easy destruction and clandestine modification, it is imperative that they be properly manag...
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VLDB
2009
ACM
16 years 3 days ago
2009
ACM
We address the problem of providing privacypreserving search over distributed accesscontrolled content. Indexed documents can be easily reconstructed from conventional (inverted) ...
FCCM
2005
IEEE
15 years 5 months ago
2005
IEEE
The solution to a set of sparse linear equations Ax = b, where A is an n×n sparse matrix and b is an n-element vector, can be obtained using the W-matrix method. An enhanced vect...