--- title: "Sawan Kumar — author profile and papers · Question answering" description: "Sawan Kumar, Indian Institute of Technology Delhi: 2 papers on Elamur Research (2020–2026), h-index 6 — affiliations, topics, co-authors…" canonical: "https://research.elamur.ai/free/en/authors/sawan-kumar/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/sawan-kumar/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Sawan Kumar # Sawan Kumar Sawan Kumar has 2 papers in our library, in 2020–2026, most of them on [Question answering](https://md.research.elamur.ai/free/en/topics/question-answering/), [Dialogue systems](https://md.research.elamur.ai/free/en/topics/dialogue-systems/), [Reasoning](https://md.research.elamur.ai/free/en/topics/reasoning/); often with [Bin Wu](https://md.research.elamur.ai/free/en/authors/bin-wu/), [Partha Talukdar](https://md.research.elamur.ai/free/en/authors/partha-talukdar/), [Prasetya Ajie Utama](https://md.research.elamur.ai/free/en/authors/prasetya-ajie-utama/). 2 papers in our library · 2020–2026 [OpenAlex](https://openalex.org/A5104274124) · [ORCID](https://orcid.org/0000-0001-8769-9376) · [**h-index 6**](https://openalex.org/authors/A5104274124) · [16 works](https://openalex.org/works?filter=author.id:A5104274124) · [316 citations](https://openalex.org/works?filter=author.id:A5104274124&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/sawan-kumar/#papers) · [🔗 Cited 134 times in our library](https://md.research.elamur.ai/free/en/authors/sawan-kumar/cited-by/) · [1 more in our library without a page yet](#also) · [⭐ Paper Stars ranking: #6654](https://md.research.elamur.ai/free/en/paper-stars/page/67/#star-6654) The profile is the library's match of the name; two people with one name are not always told apart. Elsewhere: [Google Scholar](https://scholar.google.com/citations?view_op=search_authors&mauthors=Sawan+Kumar) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Sawan+Kumar) · [dblp](https://dblp.org/search?q=Sawan+Kumar) · [ACL Anthology](https://aclanthology.org/search/?q=Sawan+Kumar) ## Affiliations [🎓**Indian Institute of Technology Delhi** New Delhi · India 2024–2026 · 5 papers*current*](https://md.research.elamur.ai/free/en/universities/indian-institute-of-technology-delhi/) · [🎓**Indian Institute of Science Bangalore** Bengaluru · India 2019–2022 · 7 papers](https://md.research.elamur.ai/free/en/universities/indian-institute-of-science-bangalore/) · [🏢**Amazon** Seattle · United States 2019–2021 · 2 papers](https://md.research.elamur.ai/free/en/companies/amazon/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. 1 more institution on single bylines are not listed. ## Fields, topics and concepts Of its works in our library, with the number of works on each. 📚 Shelves 5 The field of science this work belongs to (OpenAlex fields).[Artificial Intelligence · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [Arts and Humanities · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Computer Science · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) · [Information Systems · 1 work](https://md.research.elamur.ai/free/en/shelves/computer-science/information-systems/) 🧭 Topics 4 Research subjects and languages the work is about.[Reasoning · 1 work](https://md.research.elamur.ai/free/en/topics/reasoning/) · [Dialogue systems · 1 work](https://md.research.elamur.ai/free/en/topics/dialogue-systems/) · [Information retrieval & search · 1 work](https://md.research.elamur.ai/free/en/topics/information-retrieval/) · [Question answering · 1 work](https://md.research.elamur.ai/free/en/topics/question-answering/) ## Works by year ### 2020s [**2026** 1 paper](https://md.research.elamur.ai/free/en/authors/sawan-kumar/year/2026/) · [**2020** 1 paper](https://md.research.elamur.ai/free/en/authors/sawan-kumar/year/2020/) ## Papers The most cited first (OpenAlex and our library). 1. **[NILE : Natural Language Inference with Faithful Natural Language Explanations](https://md.research.elamur.ai/free/en/papers/kumar-2020-nile-natural-language-inference-faithful/)** *(2020 · 184 citations)* NILE (Natural-language Inference over Label-specific Explanations) tackles a gap in explainable NLI. Existing systems produce free-text justifications, but it is hard to check whether those justifications actually drive the model's prediction, which is the property called faithfulness. NILE generates a candidate… 2. **[Structured Dialogue Refinement: Building Retrieval-Augmented Question Answering on Goal-Oriented Dialogues](https://md.research.elamur.ai/free/en/papers/wu-2026-structured-dialogue-refinement-building-retrieval/)** *(2026)* Standard RAG assumes that evidence lives in coherent, static documents. Much practical troubleshooting knowledge, however, sits in goal-oriented conversations such as help-forum threads and support chats. Users and helpers begin with mismatched common ground, so the actual problem and its fix are scattered across… ## All works 3 works of theirs in our library, the most cited first; 2 with a page here, the others link their original until we summarise them. 1. **[NILE : Natural Language Inference with Faithful Natural Language Explanations](https://md.research.elamur.ai/free/en/papers/kumar-2020-nile-natural-language-inference-faithful/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Sawan Kumar, Partha Talukdar*2020 · 184 citations* 2. **[Zero-shot Word Sense Disambiguation using Sense Definition Embeddings ↗](https://aclanthology.org/P19-1568/) Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics · no summary yet**Sawan Kumar et al.*2019 · 169 citations* 3. **[Structured Dialogue Refinement: Building Retrieval-Augmented Question Answering on Goal-Oriented Dialogues](https://md.research.elamur.ai/free/en/papers/wu-2026-structured-dialogue-refinement-building-retrieval/) [Findings of the Association for Computational Linguistics](https://md.research.elamur.ai/free/en/venues/findings/)**Bin Wu, Sawan Kumar, Prasetya Ajie Utama, et al.*2026* ## Co-authors here 3 co-authors with a page, the most papers together first. - [Bin Wu](https://md.research.elamur.ai/free/en/authors/bin-wu/) - [Partha Talukdar](https://md.research.elamur.ai/free/en/authors/partha-talukdar/) - [Prasetya Ajie Utama](https://md.research.elamur.ai/free/en/authors/prasetya-ajie-utama/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/) ×2: [ACL 2020](https://md.research.elamur.ai/free/en/venues/acl/2020/) - [Findings of the Association for Computational Linguistics](https://md.research.elamur.ai/free/en/venues/findings/): [Findings of the Association for Computational Linguistics 2026](https://md.research.elamur.ai/free/en/venues/findings/2026/) ## Cited by Papers of our library cite their works 134 times (of the 149,439 papers whose bibliographies we read); [19 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/sawan-kumar/cited-by/). Updated 2 November 2026