The Decompositional Semantics Initiative (Decomp) is a collection of efforts aimed at collecting and modeling human annotations of meaning via the decomposition of lexical and phrasal meanings into a small set of component parts. Decomp is supported by DARPA AIDA, DARPA KAIROS, and IARPA BETTER.

Decomp is a large project and so only research products authored by core FACTS.lab members are listed below. A full list of publications, presentations, and available data can be found at

Papers (show)


The MegaAttitude Project aims to collect large-scale annotation sets of the selectional behavior of clause-embedding verbs, adjectives, and nouns, based on human acceptability, veridicality, and similarity judgments. It is supported by a National Science Foundation collaborative grant (BCS-1748969/BCS-1749025).

Papers (show)