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Systems and Methods for Automatic Detection of Idiomatic Expressions in Written Responses

Flor, Michael; Beigman Klebanov, Beata
Patent Issued:
Mar 10, 2020
Patent Number:
ETS Patent
Document Type:
Family ID:
Subject/Key Words:
Patent, Active Patent, Idioms, Automated Scoring and Natural Language Processing, Written Language, Automated Text Analysis, Essays, Argumentative Discourse, English as a Foreign Language (EFL), Non-Native Speakers, Automatic Speech Recognition


Methods and systems for scoring written text based on use of idiomatic expressions, including reading pre-selected idiomatic expressions in a canonical form into memory, expanding idiomatic expressions from the canonical form, reading a written response into the memory, pre-processing the written response, searching the pre-processed written response for idiomatic expressions, and assigning a score to the written response. The score may be based at least in part on the number of idiomatic expressions in the written response. Corresponding apparatuses, systems, and methods are also disclosed.

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