Deepak Ravichandran
current affiliationGoogle (United States), Mountain View, United States
Deepak Ravichandran has 2 papers on this site, in 2001–2002, most of them on Question answering; often with Eduard Hovy, Chin-Yew Lin, Ulf Hermjakob.
OpenAlex · h-index 15 · 28 works · 2 858 citations OpenAlex, 2026-10-14
2 works on this site · 351 citations in our library · 2 more works in our library
Affiliations
- Google (United States) · Mountain View, United States — current · 2008–2021 on 6 papers
- University of Southern California · Los Angeles, United States — 2001–2006 on 10 papers
Topics
Papers
- Learning surface text patterns for a Question Answering System (2002 · 970 citations)
Open-domain QA systems usually depend on heavy external resources such as named entity taggers, WordNet, parsers and ontologies. - Toward Semantics-Based Answer Pinpointing (2001 · 263 citations)
The paper tackles a weakness in factoid question answering (QA). Most systems pick the answer by sliding a word-scoring window over retrieved text. That approach cannot mark exact answer boundaries, cannot recognize the semantic type of an answer such as a person or a place, and fails when answer pieces are spread…
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