Sebastian Nehrdich

Sebastian Nehrdich

Research @ BAIR, UC Berkeley; PhD candidate @ University of Duesseldorf

Talks and presentations

Machine Translation for Asian Studies

March 14, 2025

Workshop, Annual Conference of the Association of Asian Studies, Columbus, Ohio

With the advent of large language models, machine translation (MT) has become a widely used, but little understood, tool for research, language learning, and communication. GPT, Claude, and many other model series allow researchers now to access literature in different languages, and even translate primary texts composed in classical languages with few resources available. But how to evaluate the translation output of such machines? How to decide which model is the best for my own research purposes and how to tweak it? How will MT impact language learning, which is fundamental for Asian Studies?

MITRASearch: Building Information Retrieval Systems for Classical Asian Languages in the Age of AI

March 13, 2025

Talk, CEAL (Council on East Asian Libraries) Technology Forum, Columbus, Ohio

Recent advances in artificial intelligence and natural language processing have revolutionized information retrieval and question-answering systems. This talk introduces MITRASearch, a specialized search platform designed for exploring Buddhist literature preserved across Classical Asian languages including Chinese, Tibetan, Sanskrit, and Pāli. The system leverages multilingual approximate search capabilities to enable scholars to identify parallel passages and conduct comparative analyses across different writing systems and translations. We demonstrate how large language models integrated into the Dharmamitra project enhance user interaction with search results, facilitating dynamic exploration of these classical texts. This innovation addresses the long-standing challenge of cross-linguistic textual research in Buddhist studies and offers new possibilities for digital humanities scholarship.

Dharmamitra: Developing a Toolkit for Philological Work on Premodern Asian Low-Resource Languages

November 25, 2024

Talk, Workshop: Case studies from current research projects - Conversations on Digital Scholarly Editing, Śivadharma Project Headquarters, Palazzo Giusso, L'Orientale University of Naples, Naples, Italy

This talk was presented as part of the workshop “Case studies from current research projects - Conversations on Digital Scholarly Editing” organized by Martina Dello Buono and Florinda De Simini at L’Orientale University of Naples.

MITRA: Beyond Just Machine Translation for Premodern Asian Low Resource Languages

October 25, 2024

Talk, Johns Hopkins University, Center for Language and Speech Processing, Baltimore, MD, USA

Recent years saw the rise of multilingual language models that achieve high levels of performance for a large number of tasks, with some of them handling hundreds of languages at once. Premodern languages are usually underrepresented in such models, leading to poor performance in downstream applications. The Dharmamitra project aims to develop a diverse set of language models to address these shortcomings for the classical Asian low-resource languages Sanskrit, Tibetan, Classical Chinese, and Pali. These models provide solutions for low-level NLP tasks such as word segmentation and morpho-syntactic tagging, as well as high-level tasks including semantic search, machine translation, and general chatbot interaction. The talk will address the individual challenges and unique characteristics of the data involved, and the strategies deployed to address these. It will also demonstrate how these different tools can be combined in an application that goes beyond simple sentence-to-sentence machine translation, providing detailed grammatical explanations and corpus-wide search to support both early-stage language learners and experienced researchers with specific demands.

MITRA: Developing Language Models for Machine Translation and Search in Buddhist Source Languages

August 29, 2024

Talk, PNC 2024 Annual Conference and Joint Meetings, Seoul, Korea

Translation and search are among the fundamental problems when researching the textual source material of Buddhist traditions. MITRA has successfully developed machine translation models to ease the access to this material. When it comes to search, The Dharmamitra project approaches this problem by using semantic embeddings that enable search on related passages in different languages, regardless of whether the answer to the query is found in a text preserved in Pāli, Sanskrit, Tibetan, or Chinese. In addition to providing researchers with this powerful search system, Dharmamitra also provides a system for the automatic detection of similar text passages within the same language and across different languages. In my talk, I will demonstrate how these tools are designed and how researchers can access them and integrate them in their workflow.