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A Unified Bayesian Model of Scripts, Frames and Language
(AAAI Press, 2016-02-12)
We present the first probabilistic model to capture all levels of the Minsky Frame structure, with the goal of corpus-based induction of scenario definitions. Our model unifies prior efforts in discourse-level modeling ...
Meerkat Mafia: Multilingual and Cross-Level Semantic Textual Similarity systems
(Association for Computational Linguistics, 2014-08-23)
We describe UMBC's systems developed for the SemEval 2014 tasks on Multilingual Semantic Textual Similarity (Task 10) and Cross-Level Semantic Similarity (Task 3). Our best submission in the Multilingual task ranked second ...
UMBC_EBIQUITY-CORE: Semantic Textual Similarity Systems
We describe three semantic text similarity systems developed for the *SEM 2013 STS shared task and the results of the corresponding three runs. All of them used a word similarity feature that combined LSA word similarity ...
Improving Word Similarity by Augmenting PMI with Estimates of Word Polysemy
Pointwise mutual information (PMI) is a widely used word similarity measure, but it lacks a clear explanation of how it works. We explore how PMI differs from distributional similarity, and we introduce a novel metric, ...