_version_ 1866914254243758080
author Cheng, Xuxin
Zeng, Ke
Cao, Zhiquan
Dai, Linyi
Gao, Wenxuan
Han, Fei
Jian, Ai
Hong, Feng
Hu, Wenxing
Huang, Zihe
Kong, Dejian
Leng, Jia
Liao, Zhuoyuan
Liu, Pei
Lin, Jiaye
Ma, Xing
Ruan, Jingqing
Song, Jiaxing
Tan, Xiaoyu
Xiao, Ruixuan
Yu, Wenhui
Zhan, Wenyu
Zhang, Haoxing
Zhou, Chao
Zhou, Hao
Zheng, Shaodong
Chen, Ruinian
Chen, Siyuan
Chen, Ziyang
Dong, Yiwen
Fan, Yaoyou
Fang, Yangyi
Gan, Yang
Guo, Shiguang
He, Qi
Hu, Chaowen
Li, Binghui
Li, Dailin
Li, Xiangyu
Li, Yan
Liu, Chengjian
Liu, Xiangfeng
Lv, Jiahui
Ma, Qiao
Pan, Jiang
Qin, Cong
Sun, Chenxing
Sun, Wen
Wang, Zhonghui
Wuerkaixi, Abudukelimu
Yang, Xin
Yuan, Fangyi
Zhu, Yawen
Zhai, Tianyi
Zhang, Jie
Zhang, Runlai
Xu, Yao
Zhao, Yiran
Wang, Yifan
Cai, Xunliang
Hu, Yangen
Liu, Cao
Pan, Lu
Wang, Xiaoli
Xiao, Bo
Yao, Wenyuan
Zhou, Qianlin
Zhu, Benchang
author_facet Cheng, Xuxin
Zeng, Ke
Cao, Zhiquan
Dai, Linyi
Gao, Wenxuan
Han, Fei
Jian, Ai
Hong, Feng
Hu, Wenxing
Huang, Zihe
Kong, Dejian
Leng, Jia
Liao, Zhuoyuan
Liu, Pei
Lin, Jiaye
Ma, Xing
Ruan, Jingqing
Song, Jiaxing
Tan, Xiaoyu
Xiao, Ruixuan
Yu, Wenhui
Zhan, Wenyu
Zhang, Haoxing
Zhou, Chao
Zhou, Hao
Zheng, Shaodong
Chen, Ruinian
Chen, Siyuan
Chen, Ziyang
Dong, Yiwen
Fan, Yaoyou
Fang, Yangyi
Gan, Yang
Guo, Shiguang
He, Qi
Hu, Chaowen
Li, Binghui
Li, Dailin
Li, Xiangyu
Li, Yan
Liu, Chengjian
Liu, Xiangfeng
Lv, Jiahui
Ma, Qiao
Pan, Jiang
Qin, Cong
Sun, Chenxing
Sun, Wen
Wang, Zhonghui
Wuerkaixi, Abudukelimu
Yang, Xin
Yuan, Fangyi
Zhu, Yawen
Zhai, Tianyi
Zhang, Jie
Zhang, Runlai
Xu, Yao
Zhao, Yiran
Wang, Yifan
Cai, Xunliang
Hu, Yangen
Liu, Cao
Pan, Lu
Wang, Xiaoli
Xiao, Bo
Yao, Wenyuan
Zhou, Qianlin
Zhu, Benchang
contents Enhancing customer experience is essential for business success, particularly as service demands grow in scale and complexity. Generative artificial intelligence and Large Language Models (LLMs) have empowered intelligent interaction systems to deliver efficient, personalized, and 24/7 support. In practice, intelligent interaction systems encounter several challenges: (1) Constructing high-quality data for cold-start training is difficult, hindering self-evolution and raising labor costs. (2) Multi-turn dialogue performance remains suboptimal due to inadequate intent understanding, rule compliance, and solution extraction. (3) Frequent evolution of business rules affects system operability and transferability, constraining low-cost expansion and adaptability. (4) Reliance on a single LLM is insufficient in complex scenarios, where the absence of multi-agent frameworks and effective collaboration undermines process completeness and service quality. (5) The open-domain nature of multi-turn dialogues, lacking unified golden answers, hampers quantitative evaluation and continuous optimization. To address these challenges, we introduce WOWService, an intelligent interaction system tailored for industrial applications. With the integration of LLMs and multi-agent architectures, WOWService enables autonomous task management and collaborative problem-solving. Specifically, WOWService focuses on core modules including data construction, general capability enhancement, business scenario adaptation, multi-agent coordination, and automated evaluation. Currently, WOWService is deployed on the Meituan App, achieving significant gains in key metrics, e.g., User Satisfaction Metric 1 (USM 1) -27.53% and User Satisfaction Metric 2 (USM 2) +25.51%, demonstrating its effectiveness in capturing user needs and advancing personalized service.
format Preprint
id arxiv_https___arxiv_org_abs_2510_13291
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Higher Satisfaction, Lower Cost: A Technical Report on How LLMs Revolutionize Meituan's Intelligent Interaction Systems
Cheng, Xuxin
Zeng, Ke
Cao, Zhiquan
Dai, Linyi
Gao, Wenxuan
Han, Fei
Jian, Ai
Hong, Feng
Hu, Wenxing
Huang, Zihe
Kong, Dejian
Leng, Jia
Liao, Zhuoyuan
Liu, Pei
Lin, Jiaye
Ma, Xing
Ruan, Jingqing
Song, Jiaxing
Tan, Xiaoyu
Xiao, Ruixuan
Yu, Wenhui
Zhan, Wenyu
Zhang, Haoxing
Zhou, Chao
Zhou, Hao
Zheng, Shaodong
Chen, Ruinian
Chen, Siyuan
Chen, Ziyang
Dong, Yiwen
Fan, Yaoyou
Fang, Yangyi
Gan, Yang
Guo, Shiguang
He, Qi
Hu, Chaowen
Li, Binghui
Li, Dailin
Li, Xiangyu
Li, Yan
Liu, Chengjian
Liu, Xiangfeng
Lv, Jiahui
Ma, Qiao
Pan, Jiang
Qin, Cong
Sun, Chenxing
Sun, Wen
Wang, Zhonghui
Wuerkaixi, Abudukelimu
Yang, Xin
Yuan, Fangyi
Zhu, Yawen
Zhai, Tianyi
Zhang, Jie
Zhang, Runlai
Xu, Yao
Zhao, Yiran
Wang, Yifan
Cai, Xunliang
Hu, Yangen
Liu, Cao
Pan, Lu
Wang, Xiaoli
Xiao, Bo
Yao, Wenyuan
Zhou, Qianlin
Zhu, Benchang
Computation and Language
Artificial Intelligence
Enhancing customer experience is essential for business success, particularly as service demands grow in scale and complexity. Generative artificial intelligence and Large Language Models (LLMs) have empowered intelligent interaction systems to deliver efficient, personalized, and 24/7 support. In practice, intelligent interaction systems encounter several challenges: (1) Constructing high-quality data for cold-start training is difficult, hindering self-evolution and raising labor costs. (2) Multi-turn dialogue performance remains suboptimal due to inadequate intent understanding, rule compliance, and solution extraction. (3) Frequent evolution of business rules affects system operability and transferability, constraining low-cost expansion and adaptability. (4) Reliance on a single LLM is insufficient in complex scenarios, where the absence of multi-agent frameworks and effective collaboration undermines process completeness and service quality. (5) The open-domain nature of multi-turn dialogues, lacking unified golden answers, hampers quantitative evaluation and continuous optimization. To address these challenges, we introduce WOWService, an intelligent interaction system tailored for industrial applications. With the integration of LLMs and multi-agent architectures, WOWService enables autonomous task management and collaborative problem-solving. Specifically, WOWService focuses on core modules including data construction, general capability enhancement, business scenario adaptation, multi-agent coordination, and automated evaluation. Currently, WOWService is deployed on the Meituan App, achieving significant gains in key metrics, e.g., User Satisfaction Metric 1 (USM 1) -27.53% and User Satisfaction Metric 2 (USM 2) +25.51%, demonstrating its effectiveness in capturing user needs and advancing personalized service.
title Higher Satisfaction, Lower Cost: A Technical Report on How LLMs Revolutionize Meituan's Intelligent Interaction Systems
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2510.13291