Search Results for author: Lihui Liu

Found 5 papers, 0 papers with code

Can Contrastive Learning Refine Embeddings

no code implementations11 Apr 2024 Lihui Liu, Jinha Kim, Vidit Bansal

Recent advancements in contrastive learning have revolutionized self-supervised representation learning and achieved state-of-the-art performance on benchmark tasks.

Contrastive Learning Representation Learning

Conversational Question Answering with Reformulations over Knowledge Graph

no code implementations27 Dec 2023 Lihui Liu, Blaine Hill, Boxin Du, Fei Wang, Hanghang Tong

CornNet adopts a teacher-student architecture where a teacher model learns question representations using human writing reformulations, and a student model to mimic the teacher model's output via reformulations generated by LLMs.

Conversational Question Answering Knowledge Graphs +1

Neural Multi-network Diffusion towards Social Recommendation

no code implementations11 Apr 2023 Boxin Du, Lihui Liu, Jiejun Xu, Fei Wang, Hanghang Tong

Graph Neural Networks (GNNs) have been widely applied on a variety of real-world applications, such as social recommendation.

KompaRe: A Knowledge Graph Comparative Reasoning System

no code implementations6 Nov 2020 Lihui Liu, Boxin Du, Heng Ji, Hanghang Tong

In detail, we develop KompaRe, the first of its kind prototype system that provides comparative reasoning capability over large knowledge graphs.

Knowledge Graphs

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