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• W2741520900 abstract "Vector space representations of words capture many aspects of word similarity, but such methods tend to produce vector spaces in which antonyms (as well as synonyms) are close to each other. For spectral clustering using such word embeddings, words are points in a vector space where synonyms are linked with positive weights, while antonyms are linked with negative weights. We present a new signed spectral normalized graph cut algorithm, signed clustering, that overlays existing thesauri upon distributionally derived vector representations of words, so that antonym relationships between word pairs are represented by negative weights. Our signed clustering algorithm produces clusters of words that simultaneously capture distributional and synonym relations. By using randomized spectral decomposition (Halko et al., 2011) and sparse matrices, our method is both fast and scalable. We validate our clusters using datasets containing human judgments of word pair similarities and show the benefit of using our word clusters for sentiment prediction." @default.
• W2741520900 created "2017-08-08" @default.
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• W2741520900 date "2017-01-01" @default.
• W2741520900 modified "2023-09-26" @default.
• W2741520900 title "Semantic Word Clusters Using Signed Spectral Clustering" @default.
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• W2741520900 doi "https://doi.org/10.18653/v1/p17-1087" @default.
• W2741520900 hasPublicationYear "2017" @default.
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