Search Results for author: Sixun Ouyang

Found 5 papers, 2 papers with code

Graphusion: A RAG Framework for Knowledge Graph Construction with a Global Perspective

no code implementations23 Oct 2024 Rui Yang, Boming Yang, Aosong Feng, Sixun Ouyang, Moritz Blum, Tianwei She, Yuang Jiang, Freddy Lecue, Jinghui Lu, Irene Li

Using the Graphusion-constructed KG, we achieve a significant improvement on the benchmark, for example, a 9. 2% accuracy improvement on sub-graph completion.

graph construction Knowledge Graphs +3

Leveraging Large Language Models for Concept Graph Recovery and Question Answering in NLP Education

1 code implementation22 Feb 2024 Rui Yang, Boming Yang, Sixun Ouyang, Tianwei She, Aosong Feng, Yuang Jiang, Freddy Lecue, Jinghui Lu, Irene Li

We assess LLMs' zero-shot performance in creating domain-specific concept graphs and introduce TutorQA, a new expert-verified NLP-focused benchmark for scientific graph reasoning and QA.

Question Answering Text Generation

Improving Explainable Recommendations with Synthetic Reviews

no code implementations18 Jul 2018 Sixun Ouyang, Aonghus Lawlor, Felipe Costa, Peter Dolog

We demonstrate that the synthetic personalised reviews have better recommendation performance than human written reviews.

Language Modelling Recommendation Systems +1

Automatic Generation of Natural Language Explanations

no code implementations4 Jul 2017 Felipe Costa, Sixun Ouyang, Peter Dolog, Aonghus Lawlor

The model generates text reviews given a combination of the review and ratings score that express opinions about different factors or aspects of an item.

Negation Recommendation Systems

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