Distributional Formal Semantics

التفاصيل البيبلوغرافية
العنوان: Distributional Formal Semantics
المؤلفون: Venhuizen, Noortje J., Hendriks, Petra, Crocker, Matthew W., Brouwer, Harm
سنة النشر: 2021
المجموعة: Computer Science
Mathematics
مصطلحات موضوعية: Computer Science - Computation and Language, Computer Science - Artificial Intelligence, Computer Science - Information Theory
الوصف: Natural language semantics has recently sought to combine the complementary strengths of formal and distributional approaches to meaning. More specifically, proposals have been put forward to augment formal semantic machinery with distributional meaning representations, thereby introducing the notion of semantic similarity into formal semantics, or to define distributional systems that aim to incorporate formal notions such as entailment and compositionality. However, given the fundamentally different 'representational currency' underlying formal and distributional approaches - models of the world versus linguistic co-occurrence - their unification has proven extremely difficult. Here, we define a Distributional Formal Semantics that integrates distributionality into a formal semantic system on the level of formal models. This approach offers probabilistic, distributed meaning representations that are also inherently compositional, and that naturally capture fundamental semantic notions such as quantification and entailment. Furthermore, we show how the probabilistic nature of these representations allows for probabilistic inference, and how the information-theoretic notion of "information" (measured in terms of Entropy and Surprisal) naturally follows from it. Finally, we illustrate how meaning representations can be derived incrementally from linguistic input using a recurrent neural network model, and how the resultant incremental semantic construction procedure intuitively captures key semantic phenomena, including negation, presupposition, and anaphoricity.
Comment: To appear in: Information and Computation (WoLLIC 2019 Special Issue)
نوع الوثيقة: Working Paper
الوصول الحر: http://arxiv.org/abs/2103.01713Test
رقم الانضمام: edsarx.2103.01713
قاعدة البيانات: arXiv