Expanding Spatial Regions and Incorporating IDF for PHOC-Based Math Formula Retrieval at ARQMath-3. - Matt Langsenkamp; Behrooz Mansouri; Richard Zanibbi (CLEF (Working Notes), 2022)

Searching the ACL Anthology with Math Formulas and Text. - Bryan Amador; Matt Langsenkamp; Abhisek Dey; Ayush Kumar Shah; Richard Zanibbi (SIGIR, 2023)

A Study of PHOC Spatial Region Configurations for Math Formula Retrieval. - Matt Langsenkamp; Bryan Amador; Richard Zanibbi (CoRR, 2024)