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Old Age
Functorial Question Answering
May 17, 2019 ยท Declared Dead ยท ๐ Electronic Proceedings in Theoretical Computer Science
"No code URL or promise found in abstract"
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Authors
Giovanni de Felice, Konstantinos Meichanetzidis, Alexis Toumi
arXiv ID
1905.07408
Category
cs.CL: Computation & Language
Cross-listed
cs.DB,
cs.LO,
math.CT
Citations
12
Venue
Electronic Proceedings in Theoretical Computer Science
Last Checked
5 months ago
Abstract
Distributional compositional (DisCo) models are functors that compute the meaning of a sentence from the meaning of its words. We show that DisCo models in the category of sets and relations correspond precisely to relational databases. As a consequence, we get complexity-theoretic reductions from semantics and entailment of a fragment of natural language to evaluation and containment of conjunctive queries, respectively. Finally, we define question answering as an NP-complete problem.
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