Search Results for author: Linhao Luo

Found 29 papers, 15 papers with code

Graph Retrieval-Augmented LLM for Conversational Recommendation Systems

no code implementations9 Mar 2025 Zhangchi Qiu, Linhao Luo, Zicheng Zhao, Shirui Pan, Alan Wee-Chung Liew

Recent Large Language Models (LLMs) demonstrate promising capabilities in natural language understanding and reasoning, showing significant potential for CRSs.

Conversational Recommendation In-Context Learning +4

G-Refer: Graph Retrieval-Augmented Large Language Model for Explainable Recommendation

1 code implementation18 Feb 2025 Yuhan Li, Xinni Zhang, Linhao Luo, Heng Chang, Yuxiang Ren, Irwin King, Jia Li

Moreover, existing methods often struggle with the integration of extracted CF information with LLMs due to its implicit representation and the modality gap between graph structures and natural language explanations.

Collaborative Filtering Explainable Recommendation +4

Unveiling User Preferences: A Knowledge Graph and LLM-Driven Approach for Conversational Recommendation

1 code implementation16 Nov 2024 Zhangchi Qiu, Linhao Luo, Shirui Pan, Alan Wee-Chung Liew

To address integration challenges, COMPASS employs a two-stage training approach: first, it bridges the gap between the structured KG and natural language through an innovative graph entity captioning pre-training mechanism.

Conversational Recommendation Knowledge Graphs +1

Graph-constrained Reasoning: Faithful Reasoning on Knowledge Graphs with Large Language Models

1 code implementation16 Oct 2024 Linhao Luo, Zicheng Zhao, Chen Gong, Gholamreza Haffari, Shirui Pan

Large language models (LLMs) have demonstrated impressive reasoning abilities, but they still struggle with faithful reasoning due to knowledge gaps and hallucinations.

Hallucination Knowledge Graphs

Scalable Frame-based Construction of Sociocultural NormBases for Socially-Aware Dialogues

no code implementations4 Oct 2024 Shilin Qu, Weiqing Wang, Xin Zhou, Haolan Zhan, Zhuang Li, Lizhen Qu, Linhao Luo, Yuan-Fang Li, Gholamreza Haffari

Our empirical results show: (i) the quality of the SCNs derived from synthetic data is comparable to that from real dialogues annotated with gold frames, and (ii) the quality of the SCNs extracted from real data, annotated with either silver (predicted) or gold frames, surpasses that without the frame annotations.

Information Retrieval RAG +1

Graph Stochastic Neural Process for Inductive Few-shot Knowledge Graph Completion

no code implementations3 Aug 2024 Zicheng Zhao, Linhao Luo, Shirui Pan, Chengqi Zhang, Chen Gong

Due to the long-tailed distribution of relations and the incompleteness of KGs, there is growing interest in few-shot knowledge graph completion (FKGC).

Large Language Models-guided Dynamic Adaptation for Temporal Knowledge Graph Reasoning

1 code implementation23 May 2024 Jiapu Wang, Kai Sun, Linhao Luo, Wei Wei, Yongli Hu, Alan Wee-Chung Liew, Shirui Pan, BaoCai Yin

To account for the evolving nature of TKGs, a dynamic adaptation strategy is proposed to update the LLM-generated rules with the latest events.

Direct Evaluation of Chain-of-Thought in Multi-hop Reasoning with Knowledge Graphs

1 code implementation17 Feb 2024 Minh-Vuong Nguyen, Linhao Luo, Fatemeh Shiri, Dinh Phung, Yuan-Fang Li, Thuy-Trang Vu, Gholamreza Haffari

Large language models (LLMs) demonstrate strong reasoning abilities when prompted to generate chain-of-thought (CoT) explanations alongside answers.

Knowledge Graphs Multi-hop Question Answering +1

RENOVI: A Benchmark Towards Remediating Norm Violations in Socio-Cultural Conversations

no code implementations17 Feb 2024 Haolan Zhan, Zhuang Li, Xiaoxi Kang, Tao Feng, Yuncheng Hua, Lizhen Qu, Yi Ying, Mei Rianto Chandra, Kelly Rosalin, Jureynolds Jureynolds, Suraj Sharma, Shilin Qu, Linhao Luo, Lay-Ki Soon, Zhaleh Semnani Azad, Ingrid Zukerman, Gholamreza Haffari

While collecting sufficient human-authored data is costly, synthetic conversations provide suitable amounts of data to help mitigate the scarcity of training data, as well as the chance to assess the alignment between LLMs and humans in the awareness of social norms.

Continual Learning for Large Language Models: A Survey

no code implementations2 Feb 2024 Tongtong Wu, Linhao Luo, Yuan-Fang Li, Shirui Pan, Thuy-Trang Vu, Gholamreza Haffari

Large language models (LLMs) are not amenable to frequent re-training, due to high training costs arising from their massive scale.

Continual Learning Continual Pretraining +3

NestE: Modeling Nested Relational Structures for Knowledge Graph Reasoning

1 code implementation14 Dec 2023 Bo Xiong, Mojtaba Nayyeri, Linhao Luo, ZiHao Wang, Shirui Pan, Steffen Staab

NestE represents each atomic fact as a $1\times3$ matrix, and each nested relation is modeled as a $3\times3$ matrix that rotates the $1\times3$ atomic fact matrix through matrix multiplication.

Knowledge Graphs Link Prediction

Reasoning on Graphs: Faithful and Interpretable Large Language Model Reasoning

no code implementations2 Oct 2023 Linhao Luo, Yuan-Fang Li, Gholamreza Haffari, Shirui Pan

In this paper, we propose a novel method called reasoning on graphs (RoG) that synergizes LLMs with KGs to enable faithful and interpretable reasoning.

Knowledge Graphs Language Modeling +3

ChatRule: Mining Logical Rules with Large Language Models for Knowledge Graph Reasoning

no code implementations4 Sep 2023 Linhao Luo, Jiaxin Ju, Bo Xiong, Yuan-Fang Li, Gholamreza Haffari, Shirui Pan

Logical rules are essential for uncovering the logical connections between relations, which could improve reasoning performance and provide interpretable results on knowledge graphs (KGs).

Knowledge Graphs

A Survey on Temporal Knowledge Graph Completion: Taxonomy, Progress, and Prospects

1 code implementation4 Aug 2023 Jiapu Wang, Boyue Wang, Meikang Qiu, Shirui Pan, Bo Xiong, Heng Liu, Linhao Luo, Tengfei Liu, Yongli Hu, BaoCai Yin, Wen Gao

Temporal characteristics are prominently evident in a substantial volume of knowledge, which underscores the pivotal role of Temporal Knowledge Graphs (TKGs) in both academia and industry.

Missing Elements Temporal Knowledge Graph Completion

Normalizing Flow-based Neural Process for Few-Shot Knowledge Graph Completion

1 code implementation17 Apr 2023 Linhao Luo, Yuan-Fang Li, Gholamreza Haffari, Shirui Pan

In this paper, we propose a normalizing flow-based neural process for few-shot knowledge graph completion (NP-FKGC).

Graph Neural Network Meta-Learning +1

Graph Sequential Neural ODE Process for Link Prediction on Dynamic and Sparse Graphs

1 code implementation15 Nov 2022 Linhao Luo, Reza Haffari, Shirui Pan

Specifically, GSNOP combines the advantage of the neural process and neural ordinary differential equation that models the link prediction on dynamic graphs as a dynamic-changing stochastic process.

Graph Mining Link Prediction +1

GSim: A Graph Neural Network based Relevance Measure for Heterogeneous Graphs

no code implementations12 Aug 2022 Linhao Luo, Yixiang Fang, Moli Lu, Xin Cao, Xiaofeng Zhang, Wenjie Zhang

Most of existing relevance measures focus on homogeneous networks where objects are of the same type, and a few measures are developed for heterogeneous graphs, but they often need the pre-defined meta-path.

Community Detection Graph Mining +2

RMGN: A Regional Mask Guided Network for Parser-free Virtual Try-on

2 code implementations24 Apr 2022 Chao Lin, Zhao Li, Sheng Zhou, Shichang Hu, Jialun Zhang, Linhao Luo, Jiarun Zhang, Longtao Huang, Yuan He

Virtual try-on(VTON) aims at fitting target clothes to reference person images, which is widely adopted in e-commerce. Existing VTON approaches can be narrowly categorized into Parser-Based(PB) and Parser-Free(PF) by whether relying on the parser information to mask the persons' clothes and synthesize try-on images.

Virtual Try-on

MAMDR: A Model Agnostic Learning Method for Multi-Domain Recommendation

no code implementations25 Feb 2022 Linhao Luo, Yumeng Li, Buyu Gao, Shuai Tang, Sinan Wang, Jiancheng Li, Tanchao Zhu, Jiancai Liu, Zhao Li, Shirui Pan

We integrate these components into a unified framework and present MAMDR, which can be applied to any model structure to perform multi-domain recommendation.

RRCN: A Reinforced Random Convolutional Network based Reciprocal Recommendation Approach for Online Dating

no code implementations25 Nov 2020 Linhao Luo, Liqi Yang, Ju Xin, Yixiang Fang, Xiaofeng Zhang, Xiaofei Yang, Kai Chen, Zhiyuan Zhang, Kai Liu

In particular, we technically propose a novel random CNN component that can randomly convolute non-adjacent features to capture their interaction information and learn feature embeddings of key attributes to make the final recommendation.

Structure Matters: Towards Generating Transferable Adversarial Images

no code implementations22 Oct 2019 Dan Peng, Zizhan Zheng, Linhao Luo, Xiaofeng Zhang

In this paper, we propose the novel concepts of structure patterns and structure-aware perturbations that relax the small perturbation constraint while still keeping images natural.

Image Classification Novel Concepts +1

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