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Cited by 546

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Learning Dependency-Based Compositional Semantics

Open access
Liang, Percy, Jordan, Michael I., Klein, Dan·2013·Computational Linguistics

Abstract

Suppose we want to build a system that answers a natural language question by representing its semantics as a logical forxm and computing the answer given a structured database of facts. The core part of such a system is the semantic parser that maps questions to logical forms. Semantic parsers are typically trained from examples of questions annotated with their target logical forms, but this type of annotation is expensive. Our goal is to instead learn a semantic parser from question–answer pairs, where the logical form is modeled as a latent variable. We develop a new semantic formalism, dependency-based compositional semantics (DCS) and define a log-linear distribution over DCS logical forms. The model parameters are estimated using a simple procedure that alternates between beam search and numerical optimization. On two standard semantic parsing benchmarks, we show that our system obtains comparable accuracies to even state-of-the-art systems that do require annotated logical forms.

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Metadata

Authors
Liang, P., Jordan, M. I., & Klein, D.
Venue
Computational Linguistics
Publisher
MIT Press
Published
2013-06
Volume
39
Issue
2
Pages
389-446
ISSN
  • 0891-2017 (ISSN-L)
  • 1530-9312
OpenAlex
W2161002933
Cited by
546
References
5
FWCI
52.56
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Learning Dependency-Based Compositional Semantics. https://app.cochat.ai/papers/10.1162/coli_a_00127
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Liang, P., Jordan, M. I., & Klein, D. (2013). Learning Dependency-Based Compositional Semantics. Computational Linguistics. https://doi.org/10.1162/coli_a_00127

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