740 search results - page 75 / 148 » Lower bounds for Buchsbaum* complexes |
178
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TCOM
2008
15 years 6 months ago
2008
Abstract In multiuser MIMO systems, the base station schedules transmissions to a group of users simultaneously. Since the data transmitted to each user are different, in order to ...
288
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Abstract-- Current twig join algorithms incur high memory costs on queries that involve child-axis nodes. In this paper we provide an analytical explanation for this phenomenon. In...
166
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MICAI
2005
Springer
15 years 11 months ago
2005
Springer
Although undirected cycles in directed graphs of Bayesian belief networks have been thoroughly studied, little attention has so far been given to a systematic analysis of directed ...
244
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ISSAC
1997
Springer
15 years 10 months ago
1997
Springer
Gaussian elimination is the basis for classical algorithms for computing canonical forms of integer matrices. Experimental results have shown that integer Gaussian elimination may...
171
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AAAI
2008
15 years 8 months ago
2008
The study of random instances of NP complete and coNP complete problems has had much impact on our understanding of the nature of hard problems. In this work, we initiate an effor...