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NAACL
2003

152views Computational Linguistics» more NAACL 2003»

Learning to Paraphrase: An Unsupervised Approach Using Multiple-Sequence Alignment

13 years 8 months ago

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We address the text-to-text generation problem of sentence-level paraphrasing — a phenomenon distinct from and more difﬁcult than word- or phrase-level paraphrasing. Our appro...

Regina Barzilay, Lillian Lee

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ENGL
2007

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Biological Data Mining for Genomic Clustering Using Unsupervised Neural Learning

13 years 7 months ago

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— The paper aims at designing a scheme for automatic identification of a species from its genome sequence. A set of 64 three-tuple keywords is first generated using the four type...

Shreyas Sen, Seetharam Narasimhan, Amit Konar

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ISNN
2004
Springer

161views Neural Networks» more ISNN 2004»

Unsupervised Learning for Hierarchical Clustering Using Statistical Information

14 years 25 days ago

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This paper proposes a novel hierarchical clustering method that can classify given data without speciﬁed knowledge of the number of classes. In this method, at each node of a hie...

Masaru Okamoto, Nan Bu, Toshio Tsuji

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IJCV
2008

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Unsupervised Learning of Human Action Categories Using Spatial-Temporal Words

13 years 7 months ago