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» An optimal algorithm for the distinct elements problem
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GECCO
2004
Springer
104views Optimization» more  GECCO 2004»
15 years 5 months ago
Simultaneity Matrix for Solving Hierarchically Decomposable Functions
The simultaneity matrix is an × matrix of numbers. It is constructed according to a set of -bit solutions. The matrix element mij is the degree of linkage between bit positions i ...
Chatchawit Aporntewan, Prabhas Chongstitvatana
JPDC
2010
137views more  JPDC 2010»
14 years 10 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
RECOMB
2004
Springer
15 years 12 months ago
Designing multiple simultaneous seeds for DNA similarity search
The challenge of similarity search in massive DNA sequence databases has inspired major changes in BLAST-style alignment tools, which accelerate search by inspecting only pairs of...
Yanni Sun, Jeremy Buhler
VLDB
2004
ACM
112views Database» more  VLDB 2004»
15 years 12 months ago
Tracking set-expression cardinalities over continuous update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In i...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
PODS
2009
ACM
130views Database» more  PODS 2009»
16 years 7 days ago
Secondary indexing in one dimension: beyond b-trees and bitmap indexes
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
Rasmus Pagh, Srinivasa Rao Satti