Search Results for author: Christopher DuBois

Found 4 papers, 0 papers with code

On the Transferability of Minimal Prediction Preserving Inputs in Question Answering

no code implementations NAACL 2021 Shayne Longpre, Yi Lu, Christopher DuBois

In the context of question answering, we investigate competing hypotheses for the existence of MPPIs, including poor posterior calibration of neural models, lack of pretraining, and "dataset bias" (where a model learns to attend to spurious, non-generalizable cues in the training data).

Question Answering

Stochastic Collapsed Variational Bayesian Inference for Latent Dirichlet Allocation

no code implementations10 May 2013 James Foulds, Levi Boyles, Christopher DuBois, Padhraic Smyth, Max Welling

We propose a stochastic algorithm for collapsed variational Bayesian inference for LDA, which is simpler and more efficient than the state of the art method.

Bayesian Inference Topic Models +1

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