7820 search results - page 1371 / 1564 » Formalization of Time and Space |
159
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SAC
2002
ACM
15 years 6 months ago
2002
ACM
The Peano Count Tree (P-tree) is a quadrant-based lossless tree representation of the original spatial data. The idea of P-tree is to recursively divide the entire spatial data, s...
149
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TIT
1998
15 years 6 months ago
1998
—In 1948 Shannon developed fundamental limits on the efficiency of communication over noisy channels. The coding theorem asserts that there are block codes with code rates arbit...
144
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TIT
1998
15 years 6 months ago
1998
—The Poisson multiple-access channel (MAC) models many-to-one optical communication through an optical fiber or in free space. For this model we compute the capacity region for ...
160
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
We present a novel sequential clustering algorithm which is motivated by the Information Bottleneck (IB) method. In contrast to the agglomerative IB algorithm, the new sequential ...
158
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SIGIR
2002
ACM
15 years 6 months ago
2002
ACM
Previews and overviews of large, heterogeneous information resources help users comprehend the scope of collections and focus on particular subsets of interest. For narrative docu...