Score: 2

Retrieval-Augmented Search for Large-Scale Map Collections with ColPali

Published: October 29, 2025 | arXiv ID: 2510.25718v1

By: Jamie Mahowald, Benjamin Charles Germain Lee

BigTech Affiliations: University of Washington

Potential Business Impact:

Find old maps easily with smart search.

Business Areas:
Semantic Search Internet Services

Multimodal approaches have shown great promise for searching and navigating digital collections held by libraries, archives, and museums. In this paper, we introduce map-RAS: a retrieval-augmented search system for historic maps. In addition to introducing our framework, we detail our publicly-hosted demo for searching 101,233 map images held by the Library of Congress. With our system, users can multimodally query the map collection via ColPali, summarize search results using Llama 3.2, and upload their own collections to perform inter-collection search. We articulate potential use cases for archivists, curators, and end-users, as well as future work with our system in both machine learning and the digital humanities. Our demo can be viewed at: http://www.mapras.com.

Country of Origin
🇺🇸 United States

Repos / Data Links

Page Count
5 pages

Category
Computer Science:
Information Retrieval