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Ashkan Kazemi

4 accepted papers

2025

When Claims Evolve: Evaluating and Enhancing the Robustness of Embedding Models Against Misinformation Edits

ACL 2025finding

Online misinformation remains a critical challenge, and fact-checkers increasingly rely on claim matching systems that use sentence embedding models to retrieve relevant fact-checks. However, as users interact with claims online, they often introduce edits, and it remains unclear whether current emb…

2024

Has It All Been Solved? Open NLP Research Questions Not Solved by Large Language Models

COLING 2024main

Recent progress in large language models (LLMs) has enabled the deployment of many generative NLP applications. At the same time, it has also led to a misleading public discourse that “it’s all been solved.” Not surprisingly, this has, in turn, made many NLP researchers – especially those at the beg…

Cited by 9SourcePDFScholar
2021

Claim Matching Beyond English to Scale Global Fact-Checking

ACL 2021long

Manual fact-checking does not scale well to serve the needs of the internet. This issue is further compounded in non-English contexts. In this paper, we discuss claim matching as a possible solution to scale fact-checking. We define claim matching as the task of identifying pairs of textual messages…

2020

Biased TextRank: Unsupervised Graph-Based Content Extraction

COLING 2020main

We introduce Biased TextRank, a graph-based content extraction method inspired by the popular TextRank algorithm that ranks text spans according to their importance for language processing tasks and according to their relevance to an input “focus.” Biased TextRank enables focused content extraction…

Cited by 43SourcePDFScholar