--- title: "Charles Welch · McMaster University — author profile and papers" description: "Charles Welch, McMaster University: 2 papers on Elamur Research (2026), h-index 0 — affiliations, topics, co-authors and who cites them in…" canonical: "https://research.elamur.ai/free/en/authors/charles-welch/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/charles-welch/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Charles Welch # Charles Welch Charles Welch has 2 papers in our library, in 2026; often with [Allison Lahnala](https://md.research.elamur.ai/free/en/authors/allison-lahnala/), [Hongyi Zhang](https://md.research.elamur.ai/free/en/authors/hongyi-zhang/), [Vasudha Varadarajan](https://md.research.elamur.ai/free/en/authors/vasudha-varadarajan/). 2 papers in our library · 2026 [OpenAlex](https://openalex.org/A5134468689) · [**h-index 0**](https://openalex.org/authors/A5134468689) · [8 works](https://openalex.org/works?filter=author.id:A5134468689) · [0 citations](https://openalex.org/works?filter=author.id:A5134468689&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/charles-welch/#papers) · 🔗 Cited 1 time in our library · [⭐ Paper Stars ranking: #12873](https://md.research.elamur.ai/free/en/paper-stars/page/129/#star-12873) 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=Charles+Welch) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Charles+Welch) · [dblp](https://dblp.org/search?q=Charles+Welch) · [ACL Anthology](https://aclanthology.org/search/?q=Charles+Welch) ## Affiliations [🎓**McMaster University** Hamilton · Canada 2026 · 6 papers*current*](https://md.research.elamur.ai/free/en/universities/mcmaster-university/) From the bylines of their papers (OpenAlex, 2026-10-14), ORCID and Wikidata; institutions on papers are matched by machine. ## Fields, topics and concepts Of its works in our library, with the number of works on each. 📚 Shelves 6 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/) · [Computer Science · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/) · [Psychology · 1 work](https://md.research.elamur.ai/free/en/shelves/psychology/) · [Social Psychology · 1 work](https://md.research.elamur.ai/free/en/shelves/psychology/social-psychology/) · [Arts and Humanities · 1 work](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/) · [Language and Linguistics · 1 work](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) ## Works by year ### 2020s [**2026** 2 papers](https://md.research.elamur.ai/free/en/authors/charles-welch/year/2026/) ## Papers The most cited first (OpenAlex and our library). 1. **[McMasters of Change: Predicting Well-Being States and Transitions from Longitudinal Language](https://md.research.elamur.ai/free/en/papers/zhang-2026-mcmasters-change-predicting-well-being/)** *(2026 · 1 citation)* Most mental-health NLP treats social media posts one at a time and ignores how a person's state unfolds over a timeline. 2. **[Fine-Grained Perspectives: Modeling Explanations with Annotator-Specific Rationales](https://md.research.elamur.ai/free/en/papers/sarumi-2026-fine-grained-perspectives-modeling-explanations/)** *(2026)* Perspectivist NLP keeps individual annotators' labels instead of collapsing them into a majority vote. Yet the reasoning behind each annotator's choice is rarely modeled, even when datasets collect it. This paper treats annotator-written rationales as a fine-grained signal of perspective. It predicts each annotator's… ## Co-authors here 3 co-authors with a page, the most papers together first. - [Allison Lahnala](https://md.research.elamur.ai/free/en/authors/allison-lahnala/) - [Hongyi Zhang](https://md.research.elamur.ai/free/en/authors/hongyi-zhang/) - [Vasudha Varadarajan](https://md.research.elamur.ai/free/en/authors/vasudha-varadarajan/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Workshop on Computational Linguistics and Clinical Psychology](https://md.research.elamur.ai/free/en/venues/clpsych/): [Workshop on Computational Linguistics and Clinical Psychology 2026](https://md.research.elamur.ai/free/en/venues/clpsych/2026/) - [edition of NLPerspectives](https://md.research.elamur.ai/free/en/venues/nlperspectives/): [edition of NLPerspectives 2026](https://md.research.elamur.ai/free/en/venues/nlperspectives/2026/) ## Cited by Papers of our library cite their works 1 time (of the 149,439 papers whose bibliographies we read). Updated 2 November 2026