Learning Word Embeddings without Context Vectors
Most word embedding algorithms such as word2vec or fastText construct two sort of vectors: for words and for contexts. Naive use of vectors of only one sort leads to poor results. We suggest using indefinite inner product in skip-gram negative sampling algorithm. This allows us to use only one sort of vectors without loss of quality. Our {``}context-free{''} cf algorithm performs on par with SGNS on word similarity datasets
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