Large Language Models Meet Knowledge Graphs to Answer Factoid Questions
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Abstract (arXiv)
Recently, it has been shown that the incorporation of structured knowledge into Large Language Models significantly improves the results for a variety of NLP tasks. In this paper, we propose a method for exploring pre-trained Text-to-Text Language Models enriched with additional information from Knowledge Graphs for answering factoid questions. More specifically, we propose an algorithm for subgraphs extraction from a Knowledge Graph based on question entities and answer candidates. Then, we procure easily interpreted information with Transformer-based models through the linearization of the extracted subgraphs. Final re-ranking of the answer candidates with the extracted information boosts Hits@1 scores of the pre-trained text-to-text language models by 4-6%.
Key facts. Cited by 11 papers in the map (data through 7 Oct 2026). Builds on 12 of its 31 references that are in the map. First posted on arXiv 3 Oct 2023.
Builds on
12 of 31 references.
References · 12
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Citing papers per year: 2024: 4; 2025: 6; 2026: 1.
11 papers.
- 2024Generate-on-Graph: Treat LLM as both Agent and KG in Incomplete Knowledge Graph Question Answeringcited by 59
- 2024Mitigating Hallucinations in Large Language Models via Self-Refinement-Enhanced Knowledge Retrievalcited by 16
- 2024Entity Retrieval for Answering Entity-Centric Questionscited by 10
- 2025Personalized Graph-Based Retrieval for Large Language Modelscited by 10
- 2025LLM-Independent Adaptive RAG: Let the Question Speak for Itselfcited by 7
- 2025Large Language Models for Knowledge Graph Embedding: A Surveycited by 3
- 2024Pyramid-Driven Alignment: Pyramid Principle Guided Integration of Large Language Models and Knowledge Graphscited by 2
- 2025An Entity Linking Agent for Question Answeringcited by 2
- 2025BALI: Enhancing Biomedical Language Representations through Knowledge Graph and Language Model Alignmentcited by 2
- 2025Improving LLM's Attachment to External Knowledge In Dialogue Generation Tasks Through Entity Anonymizationcited by 0
- 2026MHGraphBench: Knowledge Graph-Grounded Benchmarking of Mental Health Knowledge in Large Language Modelscited by 0
- 2026MHGraphBench: Knowledge Graph-Grounded Benchmarking of Mental Health Knowledge in Large Language Models15 May 2026
- 2025Improving LLM's Attachment to External Knowledge In Dialogue Generation Tasks Through Entity Anonymization14 Nov 2025
- 2025BALI: Enhancing Biomedical Language Representations through Knowledge Graph and Language Model Alignment9 Sep 2025
- 2025An Entity Linking Agent for Question Answering5 Aug 2025
- 2025LLM-Independent Adaptive RAG: Let the Question Speak for Itself7 May 2025
- 2025Large Language Models for Knowledge Graph Embedding: A Survey14 Jan 2025
- 2025Personalized Graph-Based Retrieval for Large Language Models4 Jan 2025
- 2024Pyramid-Driven Alignment: Pyramid Principle Guided Integration of Large Language Models and Knowledge Graphs16 Oct 2024
- 2024Entity Retrieval for Answering Entity-Centric Questions5 Aug 2024
- 2024Mitigating Hallucinations in Large Language Models via Self-Refinement-Enhanced Knowledge Retrieval10 May 2024
- 2024Generate-on-Graph: Treat LLM as both Agent and KG in Incomplete Knowledge Graph Question Answering23 Apr 2024