637 search results - page 46 / 128 » Training and documentation |
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
We introduce a novel approach to combining rankings from multiple retrieval systems. We use a logistic regression model or an SVM to learn a ranking from pairwise document prefere...
ICDAR
2009
IEEE
15 years 4 months ago
2009
IEEE
A new isolated handwritten Farsi numeral recognition algorithm is proposed in this paper, which exploits the sparse and over-complete structure from the handwritten Farsi numeral ...
ACL
2000
14 years 11 months ago
2000
We propose a distribution-based pruning of n-gram backoff language models. Instead of the conventional approach of pruning n-grams that are infrequent in training data, we prune n...
AIRS
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. Cross-lingual event tracking from a very large number of information sources (thousands of Web sites, for example) is an open challenge. In this paper we investigate effe...
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DL
1999
Springer
15 years 2 months ago
1999
Springer
Keyphrases provide semantic metadata that summarize and characterize documents. This paper describes Kea, an algorithm for automatically extracting keyphrases from text. Kea ident...