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Computer Science > Logic in Computer Science

arXiv:2101.10486v1 (cs)
[Submitted on 26 Jan 2021]

Title:Categorical Vector Space Semantics for Lambek Calculus with a Relevant Modality (Extended Abstract)

Authors:Lachlan McPheat (University College London), Mehrnoosh Sadrzadeh (University College London), Hadi Wazni (Queen Mary University London), Gijs Wijnholds (Utrecht University)
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Abstract:We develop a categorical compositional distributional semantics for Lambek Calculus with a Relevant Modality, which has a limited version of the contraction and permutation rules. The categorical part of the semantics is a monoidal biclosed category with a coalgebra modality as defined on Differential Categories. We instantiate this category to finite dimensional vector spaces and linear maps via quantisation functors and work with three concrete interpretations of the coalgebra modality. We apply the model to construct categorical and concrete semantic interpretations for the motivating example of this extended calculus: the derivation of a phrase with a parasitic gap. The effectiveness of the concrete interpretations are evaluated via a disambiguation task, on an extension of a sentence disambiguation dataset to parasitic gap phrases, using BERT, Word2Vec, and FastText vectors and Relational tensors
Comments: In Proceedings ACT 2020, arXiv:2101.07888. arXiv admin note: substantial text overlap with arXiv:2005.03074
Subjects: Logic in Computer Science (cs.LO)
Cite as: arXiv:2101.10486 [cs.LO]
  (or arXiv:2101.10486v1 [cs.LO] for this version)
  https://doi.org/10.48550/arXiv.2101.10486
Journal reference: EPTCS 333, 2021, pp. 168-182
Related DOI: https://doi.org/10.4204/EPTCS.333.12

Submission history

From: EPTCS [view email] [via EPTCS proxy]
[v1] Tue, 26 Jan 2021 00:05:44 UTC (368 KB)
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