Brendan O’Connor
4 papers in the PaperMetrix corpus
Papers by this author
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Rookie: A unique approach for exploring news archives
2017 · arXiv (Cornell University)
News archives are an invaluable primary source for placing current events in historical context. But current search engine tools do a poor job at uncovering broad themes and narratives across documents. We present Rookie: a …
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ezCoref: Towards Unifying Annotation Guidelines for Coreference Resolution
2022 · arXiv (Cornell University)
Large-scale, high-quality corpora are critical for advancing research in coreference resolution. However, existing datasets vary in their definition of coreferences and have been collected via complex and lengthy guidelines that are curated for linguistic experts. …
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Part-of-Speech Tagging for Twitter: Annotation, Features, and Experiments
2018 · Figshare
We address the problem of part-of-speech tagging for English data from the popular microblogging service Twitter. We develop a tagset, annotate data, develop features, and report tagging results nearing 90% accuracy. The data and tools …
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Improved Part-of-Speech Tagging for Online Conversational Text with Word Clusters
2018 · Figshare
We consider the problem of part-of-speech tagging for informal, online conversational text. We systematically evaluate the use of large-scale unsupervised word clustering and new lexical features to improve tagging accuracy. With these features, our system …