Improving Semantic Composition with Offset Inference

Autor: Kober, Thomas, Weeds, Julie, Reffin, Jeremy, Weir, David
Rok vydání: 2017
Předmět:
Druh dokumentu: Working Paper
Popis: Count-based distributional semantic models suffer from sparsity due to unobserved but plausible co-occurrences in any text collection. This problem is amplified for models like Anchored Packed Trees (APTs), that take the grammatical type of a co-occurrence into account. We therefore introduce a novel form of distributional inference that exploits the rich type structure in APTs and infers missing data by the same mechanism that is used for semantic composition.
Comment: to appear at ACL 2017 (short papers)
Databáze: arXiv