Search Results for author: Chenhao Wang

Found 17 papers, 7 papers with code

Augmentation, Retrieval, Generation: Event Sequence Prediction with a Three-Stage Sequence-to-Sequence Approach

no code implementations COLING 2022 Bo Zhou, Chenhao Wang, Yubo Chen, Kang Liu, Jun Zhao, Jiexin Xu, XiaoJian Jiang, Qiuxia Li

Currently existing approach models this task as a statistical induction problem, to predict a sequence of events by exploring the similarity between the given goal and the known sequences of events.

Retrieval

Adaptive Federated Learning Over the Air

no code implementations11 Mar 2024 Chenhao Wang, Zihan Chen, Nikolaos Pappas, Howard H. Yang, Tony Q. S. Quek, H. Vincent Poor

In contrast, an Adam-like algorithm converges at the $\mathcal{O}( 1/T )$ rate, demonstrating its advantage in expediting the model training process.

Federated Learning

SimuCourt: Building Judicial Decision-Making Agents with Real-world Judgement Documents

1 code implementation5 Mar 2024 Zhitao He, Pengfei Cao, Chenhao Wang, Zhuoran Jin, Yubo Chen, Jiexin Xu, Huaijun Li, XiaoJian Jiang, Kang Liu, Jun Zhao

In this paper, (1) we introduce SimuCourt, a judicial benchmark that encompasses 420 judgment documents from real-world, spanning the three most common types of judicial cases, and a novel task Judicial Decision-Making to evaluate the judicial analysis and decision-making power of agents.

Decision Making Information Retrieval

Focus on Your Question! Interpreting and Mitigating Toxic CoT Problems in Commonsense Reasoning

no code implementations28 Feb 2024 Jiachun Li, Pengfei Cao, Chenhao Wang, Zhuoran Jin, Yubo Chen, Daojian Zeng, Kang Liu, Jun Zhao

Large language models exhibit high-level commonsense reasoning abilities, especially with enhancement methods like Chain-of-Thought (CoT).

Position

An Improved Frequent Directions Algorithm for Low-Rank Approximation via Block Krylov Iteration

no code implementations24 Sep 2021 Chenhao Wang, Qianxin Yi, Xiuwu Liao, Yao Wang

Frequent Directions, as a deterministic matrix sketching technique, has been proposed for tackling low-rank approximation problems.

Computational Efficiency

Effective Streaming Low-tubal-rank Tensor Approximation via Frequent Directions

no code implementations23 Aug 2021 Qianxin Yi, Chenhao Wang, Kaidong Wang, Yao Wang

Low-tubal-rank tensor approximation has been proposed to analyze large-scale and multi-dimensional data.

CogIE: An Information Extraction Toolkit for Bridging Texts and CogNet

1 code implementation ACL 2021 Zhuoran Jin, Yubo Chen, Dianbo Sui, Chenhao Wang, Zhipeng Xue, Jun Zhao

CogNet is a knowledge base that integrates three types of knowledge: linguistic knowledge, world knowledge and commonsense knowledge.

Entity Linking Entity Typing +7

RGB Stream Is Enough for Temporal Action Detection

1 code implementation9 Jul 2021 Chenhao Wang, Hongxiang Cai, Yuxin Zou, Yichao Xiong

State-of-the-art temporal action detectors to date are based on two-stream input including RGB frames and optical flow.

Action Detection Data Augmentation +2

Multi-Robot Task Allocation -- Complexity and Approximation

no code implementations23 Mar 2021 Haris Aziz, Hau Chan, Ágnes Cseh, Bo Li, Fahimeh Ramezani, Chenhao Wang

Multi-robot task allocation is one of the most fundamental classes of problems in robotics and is crucial for various real-world robotic applications such as search, rescue and area exploration.

CogNet: Bridging Linguistic Knowledge, World Knowledge and Commonsense Knowledge

no code implementations3 Mar 2021 Chenhao Wang, Yubo Chen, Zhipeng Xue, Yang Zhou, Jun Zhao

In this paper, we present CogNet, a knowledge base (KB) dedicated to integrating three types of knowledge: (1) linguistic knowledge from FrameNet, which schematically describes situations, objects and events.

World Knowledge

Multi-Grained Spatio-temporal Modeling for Lip-reading

no code implementations30 Aug 2019 Chenhao Wang

By making full use of the information from different levels in a unified framework, the model is not only able to distinguish words with similar pronunciations, but also becomes robust to appearance changes.

Lipreading Lip Reading

LRW-1000: A Naturally-Distributed Large-Scale Benchmark for Lip Reading in the Wild

2 code implementations16 Oct 2018 Shuang Yang, Yuan-Hang Zhang, Dalu Feng, Mingmin Yang, Chenhao Wang, Jing-Yun Xiao, Keyu Long, Shiguang Shan, Xilin Chen

It has shown a large variation in this benchmark in several aspects, including the number of samples in each class, video resolution, lighting conditions, and speakers' attributes such as pose, age, gender, and make-up.

Lipreading Lip Reading +2

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