Pranav Rajpurkar
3 papers in the PaperMetrix corpus
Papers by this author
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RadGraph2: Modeling Disease Progression in Radiology Reports via Hierarchical Information Extraction
2023 · arXiv (Cornell University)
We present RadGraph2, a novel dataset for extracting information from radiology reports that focuses on capturing changes in disease state and device placement over time. We introduce a hierarchical schema that organizes entities based on …
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SQuAD: 100,000+ Questions for Machine Comprehension of Text
2016 · arXiv (Cornell University)
We present the Stanford Question Answering Dataset (SQuAD), a new reading comprehension dataset consisting of 100,000+ questions posed by crowdworkers on a set of Wikipedia articles, where the answer to each question is a segment …
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Know What You Don't Know: Unanswerable Questions for SQuAD
2018 · arXiv (Cornell University)
Extractive reading comprehension systems can often locate the correct answer to a question in a context document, but they also tend to make unreliable guesses on questions for which the correct answer is not stated …