--- title: "Lasal Jayawardena — author profile and papers in our library" description: "Lasal Jayawardena, Robert Gordon University: 2 papers on Elamur Research (2024), h-index 3 — affiliations, topics, co-authors and who…" canonical: "https://research.elamur.ai/free/en/authors/lasal-jayawardena/" --- [Elamur Research](https://md.research.elamur.ai/free/en/) · [this page in HTML](https://research.elamur.ai/free/en/authors/lasal-jayawardena/) [home](https://md.research.elamur.ai/free/en/) / [authors](https://md.research.elamur.ai/free/en/authors/) / Lasal Jayawardena # Lasal Jayawardena Lasal Jayawardena has 2 papers in our library, in 2024, most of them on [Language models & pretraining](https://md.research.elamur.ai/free/en/topics/language-models/), [Question answering](https://md.research.elamur.ai/free/en/topics/question-answering/), [Legal AI](https://md.research.elamur.ai/free/en/topics/legal-ai/); often with [Ruvan Weerasinghe](https://md.research.elamur.ai/free/en/authors/ruvan-weerasinghe/). 2 papers in our library · 2024 [OpenAlex](https://openalex.org/A5094041408) · [ORCID](https://orcid.org/0009-0002-7100-6015) · [Wikidata](https://www.wikidata.org/wiki/Q131164690) · [**h-index 3**](https://openalex.org/authors/A5094041408) · [61 works](https://openalex.org/works?filter=author.id:A5094041408) · [127 citations](https://openalex.org/works?filter=author.id:A5094041408&sort=cited_by_count:desc) OpenAlex, 2026-10-14 [📄 2 works in our library](https://md.research.elamur.ai/free/en/authors/lasal-jayawardena/#papers) · [🔗 Cited 40 times in our library](https://md.research.elamur.ai/free/en/authors/lasal-jayawardena/cited-by/) · [1 more in our library without a page yet](#also) · [⭐ Paper Stars ranking: #6976](https://md.research.elamur.ai/free/en/paper-stars/page/70/#star-6976) 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=Lasal+Jayawardena) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Lasal+Jayawardena) · [dblp](https://dblp.org/search?q=Lasal+Jayawardena) · [ACL Anthology](https://aclanthology.org/search/?q=Lasal+Jayawardena) ## Affiliations [🎓**Robert Gordon University** Aberdeen · United Kingdom 2024–2026 · 9 papers*current*](https://ror.org/04f0qj703) · [🎓**Informatics Institute of Technology** Colombo · Sri Lanka 2024 · 4 papers](https://md.research.elamur.ai/free/en/universities/informatics-institute-of-technology/) 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 7 The field of science this work belongs to (OpenAlex fields).[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/) · [Artificial Intelligence · 2 works](https://md.research.elamur.ai/free/en/shelves/computer-science/artificial-intelligence/) · [Language and Linguistics · 2 works](https://md.research.elamur.ai/free/en/shelves/arts-and-humanities/language-and-linguistics/) · [Social Sciences · 1 work](https://md.research.elamur.ai/free/en/shelves/social-sciences/) · [Law · 1 work](https://md.research.elamur.ai/free/en/shelves/social-sciences/law/) · [Political Science and International Relations · 1 work](https://md.research.elamur.ai/free/en/shelves/social-sciences/political-science-and-international-relations/) 🧭 Topics 5 Research subjects and languages the work is about.[Information retrieval & search · 1 work](https://md.research.elamur.ai/free/en/topics/information-retrieval/) · [Legal AI · 1 work](https://md.research.elamur.ai/free/en/topics/legal-ai/) · [Question answering · 1 work](https://md.research.elamur.ai/free/en/topics/question-answering/) · [English · 1 work](https://md.research.elamur.ai/free/en/topics/english/) · [Language models & pretraining · 1 work](https://md.research.elamur.ai/free/en/topics/language-models/) 💡 Concepts 1 Key ideas and methods explained on our concept pages.[Retrieval-augmented generation · 1 work](https://md.research.elamur.ai/free/en/concepts/retrieval-augmented-generation/) ## Works by year ### 2020s [**2024** 2 papers](https://md.research.elamur.ai/free/en/authors/lasal-jayawardena/year/2024/) ## Papers The most cited first (OpenAlex and our library). 1. **[CBR-RAG: Case-Based Reasoning for Retrieval Augmented Generation in LLMs for Legal Question Answering](https://md.research.elamur.ai/free/en/papers/wiratunga-2024-cbr-rag-case-based-reasoning/)** *(2024 · 154 citations)* The paper tackles a weakness of LLM-based legal question answering: generated answers often lack grounding in verifiable evidence. 2. **[ParaFusion: A Large-Scale LLM-Driven English Paraphrase Dataset Infused with High-Quality Lexical and Syntactic Diversity](https://md.research.elamur.ai/free/en/papers/jayawardena-2024-parafusion-large-scale-llm-driven/)** *(2024 · 5 citations)* Paraphrase corpora commonly used to train generation models tend to yield outputs that barely differ from their sources in wording and structure. ## 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. **[CBR-RAG: Case-Based Reasoning for Retrieval Augmented Generation in LLMs for Legal Question Answering](https://md.research.elamur.ai/free/en/papers/wiratunga-2024-cbr-rag-case-based-reasoning/) [Lecture notes in computer science](https://md.research.elamur.ai/free/en/venues/lecture-notes-in-computer-science/)**Nirmalie Wiratunga, Ramitha Abeyratne, Lasal Jayawardena, et al.*2024 · 154 citations* 2. [**ParaFusion: A Large-Scale LLM-Driven English Paraphrase Dataset Infused with High-Quality Lexical and Syntactic Diversity arXiv:2404.12010**Lasal Jayawardena, Prasan Yapa*2024 · 5 citations*](https://md.research.elamur.ai/free/en/papers/jayawardena-2024-parafusion-large-scale-llm-driven/) 3. **[Parameter Efficient Diverse Paraphrase Generation Using Sequence-Level Knowledge Distillation ↗](https://doi.org/10.1109/icacs60934.2024.10473289) arXiv:2404.12596 · no summary yet**Lasal Jayawardena, Prasan Yapa*2024 · 4 citations* ## Co-authors here 1 co-author with a page, the most papers together first. - [Ruvan Weerasinghe](https://md.research.elamur.ai/free/en/authors/ruvan-weerasinghe/) ## Venues Where their works here were published, the most works first, with the editions of those that have a page. - [Lecture notes in computer science](https://md.research.elamur.ai/free/en/venues/lecture-notes-in-computer-science/): [Lecture notes in computer science 2024](https://md.research.elamur.ai/free/en/venues/lecture-notes-in-computer-science/2024/) ## Cited by Papers of our library cite their works 40 times (of the 149,439 papers whose bibliographies we read); [7 citing papers with a page here →](https://md.research.elamur.ai/free/en/authors/lasal-jayawardena/cited-by/). Updated 30 October 2026