Search Results for author: Cheng Chang

Found 11 papers, 3 papers with code

A hybrid data driven-physics constrained Gaussian process regression framework with deep kernel for uncertainty quantification

no code implementations13 May 2022 Cheng Chang, Tieyong Zeng

The proposed model learns from both data and physics constraints through the training of a deep neural network, which serves as part of the covariance function in GPR.

GPR regression

Modeling the US-China trade conflict: a utility theory approach

no code implementations23 Oct 2020 Yuhan Zhang, Cheng Chang

This paper models the US-China trade conflict and attempts to analyze the (optimal) strategic choices.

Explore-Exploit Graph Traversal for Image Retrieval

1 code implementation CVPR 2019 Cheng Chang, Guangwei Yu, Chundi Liu, Maksims Volkovs

Given a nearest neighbor graph produced by the global descriptor model, we traverse it by alternating between exploit and explore steps.

Image Retrieval Retrieval

Affordable On-line Dialogue Policy Learning

no code implementations EMNLP 2017 Cheng Chang, Runzhe Yang, Lu Chen, Xiang Zhou, Kai Yu

The key to building an evolvable dialogue system in real-world scenarios is to ensure an affordable on-line dialogue policy learning, which requires the on-line learning process to be safe, efficient and economical.

Dialogue Management

On-line Dialogue Policy Learning with Companion Teaching

no code implementations EACL 2017 Lu Chen, Runzhe Yang, Cheng Chang, Zihao Ye, Xiang Zhou, Kai Yu

On-line dialogue policy learning is the key for building evolvable conversational agent in real world scenarios.

Dialogue Management

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