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Compositionality or generalization?

Date and Time: 
Thursday, April 11, 2019. 03:00 PM - 04:30 PM
Meeting Location: 
Building 460, Room 126
Workshop: 
Cognition and Language Workshop 2017
Meeting Description: 

The principle of compositionality says roughly that the meaning of a complex syntactic phrase is determined by the meanings of its constituent parts. When linguists seek compositional analyses of linguistic phenomena, what principles guide their investigations, and what higher-level goals are they actually pursuing? In this talk, I'll begin by trying to answer these questions, and I'll use those answers to argue that linguists should seriously consider recent models that combine compositional grammars with machine learning. These models are guided by the principle of compositionality, but they are not strictly speaking compositional, and compositionality is not a primary objective for their proponents. Rather, the objective of these models is to 'generalize' - to make accurate predictions about novel cases. This is a broader goal than compositionality, and adopting it can lead to richer theories of language and language use.

Christopher Potts is professor of linguistics and, by courtesy, of computer science at Stanford University, and Director of the Center for the Study of Language and Information (CSLI).

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