Looking for hyponyms in vector space

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• Marek Rei, SwiftKey
• Thursday 05 June 2014, 12:30-13:00
• FW26, Computer Laboratory.

If you have a question about this talk, please contact Tamara Polajnar.

The task of detecting and generating hyponyms is at the core of semantic understanding of language, and has numerous practical applications. We investigate how neural network embeddings perform on this task, compared to dependency-based vector space models, and evaluate a range of similarity measures on hyponym generation. A new asymmetric similarity measure and a combination approach are described, both of which significantly improve precision. We release three new datasets of lexical vector representations trained on the BNC and our evaluation dataset for hyponym generation.

This talk is part of the NLIP Seminar Series series.

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