Search Results for author: Mehdi Rezaee

Found 5 papers, 3 papers with code

Semantically-informed Hierarchical Event Modeling

1 code implementation20 Dec 2022 Shubhashis Roy Dipta, Mehdi Rezaee, Francis Ferraro

Prior work has shown that coupling sequential latent variable models with semantic ontological knowledge can improve the representational capabilities of event modeling approaches.

RevUp: Revise and Update Information Bottleneck for Event Representation

1 code implementation24 May 2022 Mehdi Rezaee, Francis Ferraro

We reparameterize the model's discrete variables with auxiliary continuous latent variables and a light-weight hierarchical structure.

Discriminative and Generative Transformer-based Models For Situation Entity Classification

no code implementations15 Sep 2021 Mehdi Rezaee, Kasra Darvish, Gaoussou Youssouf Kebe, Francis Ferraro

We re-examine the situation entity (SE) classification task with varying amounts of available training data.

A Discrete Variational Recurrent Topic Model without the Reparametrization Trick

1 code implementation NeurIPS 2020 Mehdi Rezaee, Francis Ferraro

We show how to learn a neural topic model with discrete random variables---one that explicitly models each word's assigned topic---using neural variational inference that does not rely on stochastic backpropagation to handle the discrete variables.

document understanding Variational Inference

Event Representation with Sequential, Semi-Supervised Discrete Variables

no code implementations NAACL 2021 Mehdi Rezaee, Francis Ferraro

Within the context of event modeling and understanding, we propose a new method for neural sequence modeling that takes partially-observed sequences of discrete, external knowledge into account.

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