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Hits 1 – 4 of 4
1
Semantic Specialisation of Distributional Word Vector Spaces using Monolingual and Cross-Lingual Constraints ...
Mrkšić, Nikola
;
Vulić, Ivan
;
Séaghdha, Diarmuid Ó
. - : arXiv, 2017
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2
Morph-fitting: Fine-Tuning Word Vector Spaces with Simple Language-Specific Rules ...
Vulić, Ivan
;
Mrkšić, Nikola
;
Reichart, Roi
;
Séaghdha, Diarmuid Ó
;
Young, Steve
;
Korhonen, Anna
. - : arXiv, 2017
Abstract:
Morphologically rich languages accentuate two properties of distributional vector space models: 1) the difficulty of inducing accurate representations for low-frequency word forms; and 2) insensitivity to distinct lexical relations that have similar distributional signatures. These effects are detrimental for language understanding systems, which may infer that 'inexpensive' is a rephrasing for 'expensive' or may not associate 'acquire' with 'acquires'. In this work, we propose a novel morph-fitting procedure which moves past the use of curated semantic lexicons for improving distributional vector spaces. Instead, our method injects morphological constraints generated using simple language-specific rules, pulling inflectional forms of the same word close together and pushing derivational antonyms far apart. In intrinsic evaluation over four languages, we show that our approach: 1) improves low-frequency word estimates; and 2) boosts the semantic quality of the entire word vector collection. Finally, we show ... : ACL 2017 (Long paper) ...
Keyword:
Computation and Language cs.CL
;
FOS Computer and information sciences
URL:
https://dx.doi.org/10.48550/arxiv.1706.00377
https://arxiv.org/abs/1706.00377
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3
Semantic Specialisation of Distributional Word Vector Spaces using Monolingual and Cross-Lingual Constraints ...
Mrkšić, Nikola
;
Vulić, Ivan
;
Ó Séaghdha, Diarmuid
. - : Apollo - University of Cambridge Repository, 2017
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4
Semantic Specialisation of Distributional Word Vector Spaces using Monolingual and Cross-Lingual Constraints
Mrkšić, Nikola
;
Vulić, Ivan
;
Ó Séaghdha, Diarmuid
. - : Association for Computational Linguistics, 2017. : https://www.transacl.org/ojs/index.php/tacl/article/view/1171, 2017. : Transactions of the Association for Computational Linguistics (TACL), 2017
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