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Martin Fajcik

2 accepted papers

2023

Claim-Dissector: An Interpretable Fact-Checking System with Joint Re-ranking and Veracity Prediction

ACL 2023findings

We present Claim-Dissector: a novel latent variable model for fact-checking and analysis, which given a claim and a set of retrieved evidence jointly learns to identify: (i) the relevant evidences to the given claim (ii) the veracity of the claim. We propose to disentangle the per-evidence relevance…

2021

R2-D2: A Modular Baseline for Open-Domain Question Answering

EMNLP 2021finding

This work presents a novel four-stage open-domain QA pipeline R2-D2 (Rank twice, reaD twice). The pipeline is composed of a retriever, passage reranker, extractive reader, generative reader and a mechanism that aggregates the final prediction from all system’s components. We demonstrate its strength…