Publications

Leather goods prices
Scaling the Web: Unraveling Online Reptile Leather Trade Networks with Machine Learning and Network Analysis
Gohar Petrossian, Joshua Lang, Julia von Ferber, Ulhas Gondhali, Juliana Barbosa, Bryan Lieu, Kevin Bernstein, Sunandan Chakraborty, Juliana Freire
Biological Conservation (2026)
[Link]
Shark trophy research
Prevalence of endangered shark trophies in automated detection of the online wildlife trade
Sunandan Chakraborty, Spencer N Roberts, Gohar A Petrossian, Monique Sosnowski, Juliana Freire, Jennifer Jacquet
Biological Conservation (2025)
[Link]
Vision language models for wildlife detection
Descriptive Analysis of Online Wildlife Products Using Vision Language Models
Sharma K, Barbosa JS, Roberts S, Gondhali U, Petrossian G, Jacquet J, Freire J, Chakraborty S
Proceedings of the 8th ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies (2025)
[Link] [Code]
LLM-based approach for wildlife trafficking detection
A Cost-Effective LLM-based Approach to Identify Wildlife Trafficking in Online Marketplaces
Jarbosa JS, Gondhali U, Petrossian G, Sharma K, Jennifer J, Chakraborty S, Juliana J
Proceedings of 2025 SIGMOD International Conference on Management of Data (Accepted, 2025)
[Link] [Code]
Wildlife advertisements collection
A Flexible and Scalable Approach for Collecting Wildlife Advertisements on the Web
Juliana Barbosa, Sunandan Chakraborty, Juliana Freire
Workshop on Knowledge Management, Trustworthiness, Interpretability in AI and Beyond - CIKM 2023 (2024)
[Link] [Code]
HILTS human-LLM collaboration
HILTS: Human-LLM Collaboration for Effective Data Labeling
Juliana Barbosa, Eduarda Ramos, Grace Fan, Aécio Santos, Juliana Freire
Information Systems Journal (2025)
[Link]