Sciweavers

1184 search results - page 16 / 237
» Algorithmic Results in List Decoding
Sort
View
ICC
2007
IEEE
15 years 6 months ago
Turbo Multiuser Detection Based on Local Search Algorithms
—The full-complexity soft-input/soft-output (SISO) multiuser detector based on the a posteriori probability (APP) algorithm has a computational complexity growing exponentially w...
Zhiliang Qin, Kui Cai, Xiaoxin Zou
ICDE
2008
IEEE
132views Database» more  ICDE 2008»
16 years 1 months ago
Greedy List Intersection
A common technique for processing conjunctive queries is to first match each predicate separately using an index lookup, and then compute the intersection of the resulting rowid li...
Robert Krauthgamer, Aranyak Mehta, Vijayshankar Ra...
WWW
2005
ACM
16 years 11 days ago
Sampling search-engine results
We consider the problem of efficiently sampling Web search engine query results. In turn, using a small random sample instead of the full set of results leads to efficient approxi...
Aris Anagnostopoulos, Andrei Z. Broder, David Carm...
ICC
2009
IEEE
128views Communications» more  ICC 2009»
15 years 6 months ago
An Improved Split-Row Threshold Decoding Algorithm for LDPC Codes
Abstract— We present an improved thresholding LDPC decoding algorithm which outperforms the Split-Row and original Split-Row Threshold decoders with a small increase in hardware....
Tinoosh Mohsenin, Dean Truong, Bevan M. Baas
SIGMOD
2006
ACM
114views Database» more  SIGMOD 2006»
15 years 12 months ago
Ordering the attributes of query results
There has been a great deal of interest in the past few years on ranking of results of queries on structured databases, including work on probabilistic information retrieval, rank...
Gautam Das, Vagelis Hristidis, Nishant Kapoor, S. ...