Search Results for author: Guohao Cai

Found 16 papers, 9 papers with code

Expectation Confirmation Preference Optimization for Multi-Turn Conversational Recommendation Agent

no code implementations17 Jun 2025 Xueyang Feng, Jingsen Zhang, Jiakai Tang, Wei Li, Guohao Cai, Xu Chen, Quanyu Dai, Yue Zhu, Zhenhua Dong

Recent advancements in Large Language Models (LLMs) have significantly propelled the development of Conversational Recommendation Agents (CRAs).

Conversational Recommendation

A Contextual-Aware Position Encoding for Sequential Recommendation

1 code implementation13 Feb 2025 Jun Yuan, Guohao Cai, Zhenhua Dong

To bridge this gap, we propose a novel Contextual-Aware Position Encoding method for sequential recommendation, abbreviated as CAPE.

Position Sequential Recommendation

ChinaTravel: A Real-World Benchmark for Language Agents in Chinese Travel Planning

1 code implementation18 Dec 2024 Jie-Jing Shao, Xiao-Wen Yang, Bo-Wen Zhang, Baizhi Chen, Wen-Da Wei, Guohao Cai, Zhenhua Dong, Lan-Zhe Guo, Yu-Feng Li

Recent advances in LLMs, particularly in language reasoning and tool integration, have rapidly sparked the real-world development of Language Agents.

A Parameter Update Balancing Algorithm for Multi-task Ranking Models in Recommendation Systems

no code implementations8 Oct 2024 Jun Yuan, Guohao Cai, Zhenhua Dong

Training all tasks naively can result in inconsistent learning, highlighting the need for the development of multi-task optimization (MTO) methods to tackle this challenge.

Multi-Task Learning Recommendation Systems

Counteracting Duration Bias in Video Recommendation via Counterfactual Watch Time

1 code implementation12 Jun 2024 Haiyuan Zhao, Guohao Cai, Jieming Zhu, Zhenhua Dong, Jun Xu, Ji-Rong Wen

In video recommendation, an ongoing effort is to satisfy users' personalized information needs by leveraging their logged watch time.

counterfactual Recommendation Systems

Recall-Augmented Ranking: Enhancing Click-Through Rate Prediction Accuracy with Cross-Stage Data

no code implementations15 Apr 2024 JunJie Huang, Guohao Cai, Jieming Zhu, Zhenhua Dong, Ruiming Tang, Weinan Zhang, Yong Yu

RAR consists of two key sub-modules, which synergistically gather information from a vast pool of look-alike users and recall items, resulting in enriched user representations.

Click-Through Rate Prediction

Uncovering User Interest from Biased and Noised Watch Time in Video Recommendation

1 code implementation16 Aug 2023 Haiyuan Zhao, Lei Zhang, Jun Xu, Guohao Cai, Zhenhua Dong, Ji-Rong Wen

In the video recommendation, watch time is commonly adopted as an indicator of user interest.

ReLoop2: Building Self-Adaptive Recommendation Models via Responsive Error Compensation Loop

2 code implementations15 Jun 2023 Jieming Zhu, Guohao Cai, JunJie Huang, Zhenhua Dong, Ruiming Tang, Weinan Zhang

The error memory module is designed with fast access capabilities and undergoes continual refreshing with newly observed data samples during the model serving phase to support fast model adaptation.

Recommendation Systems

FinalMLP: An Enhanced Two-Stream MLP Model for CTR Prediction

4 code implementations3 Apr 2023 Kelong Mao, Jieming Zhu, Liangcai Su, Guohao Cai, Yuru Li, Zhenhua Dong

As such, many two-stream interaction models (e. g., DeepFM and DCN) have been proposed by integrating an MLP network with another dedicated network for enhanced CTR prediction.

Click-Through Rate Prediction feature selection +1

BARS: Towards Open Benchmarking for Recommender Systems

5 code implementations19 May 2022 Jieming Zhu, Quanyu Dai, Liangcai Su, Rong Ma, Jinyang Liu, Guohao Cai, Xi Xiao, Rui Zhang

Despite significant progress made in both research and practice of recommender systems, to date, there is a lack of a widely-recognized benchmarking standard in this field.

Benchmarking Click-Through Rate Prediction +1

PEAR: Personalized Re-ranking with Contextualized Transformer for Recommendation

no code implementations23 Mar 2022 Yi Li, Jieming Zhu, Weiwen Liu, Liangcai Su, Guohao Cai, Qi Zhang, Ruiming Tang, Xi Xiao, Xiuqiang He

Specifically, PEAR not only captures feature-level and item-level interactions, but also models item contexts from both the initial ranking list and the historical clicked item list.

Recommendation Systems Re-Ranking

Debiased Recommendation with User Feature Balancing

no code implementations16 Jan 2022 Mengyue Yang, Guohao Cai, Furui Liu, Zhenhua Dong, Xiuqiang He, Jianye Hao, Jun Wang, Xu Chen

To alleviate these problems, in this paper, we propose a novel debiased recommendation framework based on user feature balancing.

Causal Inference Recommendation Systems

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