Search Results for author: Siyang Gao

Found 7 papers, 3 papers with code

Image-of-Thought Prompting for Visual Reasoning Refinement in Multimodal Large Language Models

no code implementations22 May 2024 Qiji Zhou, Ruochen Zhou, Zike Hu, Panzhong Lu, Siyang Gao, Yue Zhang

Recent advancements in Chain-of-Thought (CoT) and related rationale-based works have significantly improved the performance of Large Language Models (LLMs) in complex reasoning tasks.

Multimodal Reasoning Visual Reasoning

In-Context Sharpness as Alerts: An Inner Representation Perspective for Hallucination Mitigation

1 code implementation3 Mar 2024 Shiqi Chen, Miao Xiong, Junteng Liu, Zhengxuan Wu, Teng Xiao, Siyang Gao, Junxian He

Large language models (LLMs) frequently hallucinate and produce factual errors, yet our understanding of why they make these errors remains limited.

Hallucination

Evaluating Factual Consistency of Summaries with Large Language Models

2 code implementations23 May 2023 Shiqi Chen, Siyang Gao, Junxian He

Detecting factual errors in summaries has been an important and challenging subject in summarization research.

Binary Classification Sentence

Asymptotic Optimality of Myopic Ranking and Selection Procedures

no code implementations27 Nov 2022 Yanwen Li, Siyang Gao, Zhongshun Shi

In this paper, we theoretically analyze these myopic procedures and prove that they also satisfy the optimality conditions of R&S, just like some other popular R&S methods.

Convergence Rate Analysis for Optimal Computing Budget Allocation Algorithms

no code implementations27 Nov 2022 Yanwen Li, Siyang Gao

It builds the optimality conditions for the number of samples allocated to each design, and the sample allocation that satisfies the optimality conditions is shown to asymptotically maximize the probability of correct selection for the best design.

On the Finite-Time Performance of the Knowledge Gradient Algorithm

no code implementations14 Jun 2022 Yanwen Li, Siyang Gao

Due to the complex calculation of KG, theoretical analysis of this algorithm is difficult, and existing results are mostly about the asymptotic performance of it, e. g., consistency, asymptotic sample allocation, etc.

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