activity
20242026
most citedA Survey of Reasoning with Foundation Models

3 citations · 3 across the 5 of their papers we have counts for

collaborators

8 papers

cs.LG2026

CIViC: Evidence Gates for Audio-Conditioned Visual Prediction on Proxy Tasks

Mengzhe Geng, Max W. Y. Lam, Yuewen Cao +4

Removing audio can shift a visual predictor's output without showing whether the task uses the intended audio information. We introduce Conditional Input and Visual Interpretation…

cs.LG2026

Controlled Acquisition and Abstention in Three-Channel Score Conflicts

Mengzhe Geng

When audio, video, and text disagree, accuracy alone does not show whether to acquire another source or abstain. We study these choices in a controlled three-score benchmark: a pol…

cs.SD2026

When Does a Spoken Agent Have Enough Evidence to Act? The PACT-SLM Contract Test

Mengzhe Geng

Streaming spoken agents may produce the correct final action after acting too early. Final-turn scores do not reveal whether each observed speech prefix supports an exposed action.…

cs.SD2026

Text Scores Do Not Establish Performance on Lexically Non-Diagnostic Speech Tasks: A Qwen2-Audio Quantization Case Study

Mengzhe Geng, Jinxi Jin, Jinxi Ji +1

Text-output scores alone do not show whether quantization preserves performance on speech tasks whose target labels cannot be recovered from the transcript. We evaluate fixed mixed…

cs.SD2026

From Scores to Evidence: Auditable Decisions Can Improve Speech Deepfake Detection

Mengzhe Geng, Yujia Lu, Patrick Littell +2

Speech deepfake detectors usually emit one score per utterance, but a borderline score does not reveal why two examples differ during retrospective error analysis. We ask whether a…

cs.SD2026

VoxReason: Auditing Source-Grounded Speech Plans Before Synthesis

Mengzhe Geng

Plan accuracy alone cannot show whether a speech-delivery decision follows its source: a fixed prior may match the original label yet fail to respond appropriately when a cue chang…

cs.IR2025

Exploring Generative AI Techniques in Government: A Case Study

Sunyi Liu, Mengzhe Geng, Rebecca Hart

The swift progress of Generative Artificial intelligence (GenAI), notably Large Language Models (LLMs), is reshaping the digital landscape. Recognizing this transformative potentia…

cs.AI2024★ 3 cited

A Survey of Reasoning with Foundation Models

Jiankai Sun, Chuanyang Zheng, Enze Xie +31

Reasoning, a crucial ability for complex problem-solving, plays a pivotal role in various real-world settings such as negotiation, medical diagnosis, and criminal investigation. It…