1403 search results - page 191 / 281 » Set cover algorithms for very large datasets |
107
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WWW
2011
ACM
14 years 4 months ago
2011
ACM
Recently, a number of algorithms have been proposed to obtain hierarchical structures — so-called folksonomies — from social tagging data. Work on these algorithms is in part ...
184
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
WWW
2005
ACM
15 years 10 months ago
2005
ACM
Taxonomies of the Web typically have hundreds of thousands of categories and skewed category distribution over documents. It is not clear whether existing text classification tech...
VISUALIZATION
1996
IEEE
15 years 2 months ago
1996
IEEE
This can be a costly operation. When the data is arranged according to its three-dimensional coordinates, calculating the contour surfaces requires examining each data cell. Avoidi...
108
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KDD
2007
ACM
15 years 10 months ago
2007
ACM
In this paper, we design recommender systems for weblogs based on the link structure among them. We propose algorithms based on refined random walks and spectral methods. First, w...