Letian Cheng

According to our database, Letian Cheng authored at least 5 papers between 2023 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

Rethinking Perplexity: Revealing the Impact of Input Length on Perplexity Evaluation in LLMs.

Letian Cheng, Junyan Wang, Yan Gao, Elliott Wen, Ting Dang, Hong Jia

CoRR, February, 2026

2025

Clean-label backdoor attack based on robust feature attenuation for speech recognition.

Hanbo Cai, Pengcheng Zhang, Yan Xiao, Shunhui Ji, Mingxuan Xiao, Letian Cheng

Expert Syst. Appl., 2025

MVGText: Momentum and Variance Guided Hard-Label Text Test Case Generation.

Shunhui Ji, Yu Shi, Changrong Huang, Letian Cheng, Pengcheng Zhang

Proceedings of the 49th IEEE Annual Computers, Software, and Applications Conference, 2025

2023

CogKR: Cognitive Graph for Multi-Hop Knowledge Reasoning.

Zhengxiao Du, Chang Zhou, Jiangchao Yao, Teng Tu, Letian Cheng, Hongxia Yang, Jingren Zhou, Jie Tang

IEEE Trans. Knowl. Data Eng., 2023

Sentiment Analysis-based Recommendation System Architecture.

Letian Cheng

Proceedings of the 5th International Conference on Internet of Things, 2023