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      Can Network Embedding of Distributional Thesaurus be Combined with Word Vectors for Better Representation?

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          Abstract

          Distributed representations of words learned from text have proved to be successful in various natural language processing tasks in recent times. While some methods represent words as vectors computed from text using predictive model (Word2vec) or dense count based model (GloVe), others attempt to represent these in a distributional thesaurus network structure where the neighborhood of a word is a set of words having adequate context overlap. Being motivated by recent surge of research in network embedding techniques (DeepWalk, LINE, node2vec etc.), we turn a distributional thesaurus network into dense word vectors and investigate the usefulness of distributional thesaurus embedding in improving overall word representation. This is the first attempt where we show that combining the proposed word representation obtained by distributional thesaurus embedding with the state-of-the-art word representations helps in improving the performance by a significant margin when evaluated against NLP tasks like word similarity and relatedness, synonym detection, analogy detection. Additionally, we show that even without using any handcrafted lexical resources we can come up with representations having comparable performance in the word similarity and relatedness tasks compared to the representations where a lexical resource has been used.

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            SimLex-999: Evaluating Semantic Models With (Genuine) Similarity Estimation

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              Contextual correlates of synonymy

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                Author and article information

                Journal
                17 February 2018
                Article
                1802.06196

                http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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                cs.CL

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