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Ethan Mendes

6 accepted papers

2026

Do Vision-Language Models Respect Contextual Integrity in Location Disclosure?

ICLR 2026poster

Vision-language models (VLMs) have demonstrated strong performance in image geolocation, a capability further sharpened by frontier multimodal large reasoning models (MLRMs). This poses a significant privacy risk, as these widely accessible models can be exploited to infer sensitive locations from c…

Cited by 0SourceScholar
2024

ChatHF: Collecting Rich Human Feedback from Real-time Conversations

EMNLP 2024system demonstrations

We introduce ChatHF, an interactive annotation framework for chatbot evaluation, which integrates configurable annotation within a chat interface. ChatHF can be flexibly configured to accommodate various chatbot evaluation tasks, for example detecting offensive content, identifying incorrect or misl…

Cited by 0SourcePDFScholar
2024

Granular Privacy Control for Geolocation with Vision Language Models

EMNLP 2024main

Vision Language Models (VLMs) are rapidly advancing in their capability to answer information-seeking questions. As these models are widely deployed in consumer applications, they could lead to new privacy risks due to emergent abilities to identify people in photos, geolocate images, etc. As we dem…

2023

Human-in-the-loop Evaluation for Early Misinformation Detection: A Case Study of COVID-19 Treatments

ACL 2023long

We present a human-in-the-loop evaluation framework for fact-checking novel misinformation claims and identifying social media messages that support them. Our approach extracts check-worthy claims, which are aggregated and ranked for review. Stance classifiers are then used to identify tweets suppor…