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Xiangji Zeng

3 accepted papers

2026

BLM-Guard: Explainable Multimodal Ad Moderation with Chain-of-Thought and Policy-Aligned Rewards

AAAI 2026technical

Short-video platforms now host vast multimodal ads whose deceptive visuals, speech and subtitles demand finer-grained, policy-driven moderation than community safety filters. We present BLM-Guard, a content-audit framework for commercial ads that fuses Chain-of-Thought reasoning with rule-based poli

Cited by 0SourcePDFScholar
2025

AdDriftBench: A Benchmark for Detecting Data Drift and Label Drift in Short Video Advertising

EMNLP 2025

With the commercialization of short video platforms (SVPs), the demand for compliance auditing of advertising content has grown rapidly. The rise of large vision-language models (VLMs) offers new opportunities for automating ad content moderation. However, short video advertising scenarios present u

Cited by 0SourcePDFScholar
2021

KACE: Generating Knowledge Aware Contrastive Explanations for Natural Language Inference

ACL 2021long

In order to better understand the reason behind model behaviors (i.e., making predictions), most recent works have exploited generative models to provide complementary explanations. However, existing approaches in NLP mainly focus on “WHY A” rather than contrastive “WHY A NOT B”, which is shown to b…