Search Results for author: Yishi Xu

Found 8 papers, 5 papers with code

keqing: knowledge-based question answering is a nature chain-of-thought mentor of LLM

no code implementations31 Dec 2023 Chaojie Wang, Yishi Xu, Zhong Peng, Chenxi Zhang, Bo Chen, Xinrun Wang, Lei Feng, Bo An

Large language models (LLMs) have exhibited remarkable performance on various natural language processing (NLP) tasks, especially for question answering.

Information Retrieval Question Answering +1

Patch-Token Aligned Bayesian Prompt Learning for Vision-Language Models

no code implementations16 Mar 2023 Xinyang Liu, Dongsheng Wang, Miaoge Li, Zhibin Duan, Yishi Xu, Bo Chen, Mingyuan Zhou

For downstream applications of vision-language pre-trained models, there has been significant interest in constructing effective prompts.

Prompt Engineering

HyperMiner: Topic Taxonomy Mining with Hyperbolic Embedding

1 code implementation16 Oct 2022 Yishi Xu, Dongsheng Wang, Bo Chen, Ruiying Lu, Zhibin Duan, Mingyuan Zhou

With the tree-likeness property of hyperbolic space, the underlying semantic hierarchy among words and topics can be better exploited to mine more interpretable topics.

Graph structure learning Topic Models

Knowledge-Aware Bayesian Deep Topic Model

1 code implementation20 Sep 2022 Dongsheng Wang, Yishi Xu, Miaoge Li, Zhibin Duan, Chaojie Wang, Bo Chen, Mingyuan Zhou

We propose a Bayesian generative model for incorporating prior domain knowledge into hierarchical topic modeling.

Topic Models

TopicNet: Semantic Graph-Guided Topic Discovery

1 code implementation NeurIPS 2021 Zhibin Duan, Yishi Xu, Bo Chen, Dongsheng Wang, Chaojie Wang, Mingyuan Zhou

Existing deep hierarchical topic models are able to extract semantically meaningful topics from a text corpus in an unsupervised manner and automatically organize them into a topic hierarchy.

Inductive Bias Topic Models +1

TIE: A Framework for Embedding-based Incremental Temporal Knowledge Graph Completion

1 code implementation17 Apr 2021 Jiapeng Wu, Yishi Xu, Yingxue Zhang, Chen Ma, Mark Coates, Jackie Chi Kit Cheung

The model has to adapt to changes in the TKG for efficient training and inference while preserving its performance on historical knowledge.

Decision Making Information Retrieval +4

GraphSAIL: Graph Structure Aware Incremental Learning for Recommender Systems

1 code implementation25 Aug 2020 Yishi Xu, Yingxue Zhang, Wei Guo, Huifeng Guo, Ruiming Tang, Mark Coates

We develop a Graph Structure Aware Incremental Learning framework, GraphSAIL, to address the commonly experienced catastrophic forgetting problem that occurs when training a model in an incremental fashion.

Incremental Learning Recommendation Systems

Non-Parametric Graph Learning for Bayesian Graph Neural Networks

no code implementations23 Jun 2020 Soumyasundar Pal, Saber Malekmohammadi, Florence Regol, Yingxue Zhang, Yishi Xu, Mark Coates

A Bayesian framework which targets posterior inference of the graph by considering it as a random quantity can be beneficial.

Graph Learning Link Prediction +1

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