HighlightApplied Intelligence

Knowledge graph-extended retrieval augmented generation for question answering

A paper proposing a system that integrates Large Language Models and Knowledge Graphs for robust question answering.

The paper presents a system, called KG-RAG, which combines Large Language Models and Knowledge Graphs to improve question answering. It includes a question decomposition module and uses In-Context Learning and Chain-of-Thought prompting to generate explicit reasoning chains. Experiments show improved accuracy for multi-hop questions compared to baselines.

Based on: Knowledge graph-extended retrieval augmented generation for question answering · Applied Intelligence

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Personalizing Large Language Models using Retrieval Augmented Generation and Knowledge Graph

A paper proposing an approach to personalize large language models using retrieval augmented generation with knowledge graphs.

The authors propose a method to address over-fitting in large language models by incorporating knowledge graphs for personalized response generation. They use calendar data as an example of frequently updated personal information. Experimental results show improved accuracy and response time compared to baseline LLMs.

Based on: Personalizing Large Language Models using Retrieval Augmented Generation and Knowledge Graph

HighlightarXiv (Cornell University)

SkewRoute: Training-Free LLM Routing for Knowledge Graph Retrieval-Augmented Generation via Score Skewness of Retrieved Context

A training-free routing framework for knowledge graph retrieval-augmented generation.

The authors propose a simple and effective routing framework, SkewRoute, which balances performance and cost in knowledge graph retrieval-augmented generation. The framework is designed to direct queries to the most suitable language models based on score skewness of retrieved contexts. It achieves over 3x higher routing effectiveness while reducing runtime compared to existing methods.

Based on: SkewRoute: Training-Free LLM Routing for Knowledge Graph Retrieval-Augmented Generation via Score Skewness of Retrieved Context · arXiv (Cornell University)

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Knowledge Graph-Guided Retrieval Augmented Generation

Paper proposing a method for retrieval augmented generation using knowledge graphs.

This paper presents a method that combines knowledge graph-guided retrieval with augmented generation to improve the performance of language models.,The proposed approach uses a knowledge graph to guide the retrieval process and augment the generated text.,Experimental results demonstrate the effectiveness of the proposed method in improving the accuracy and coherence of generated text.

Based on: Knowledge Graph-Guided Retrieval Augmented Generation

HighlightDigital

Transforming SHACL Shape Graphs into HTML Applications for Populating Knowledge Graphs

A paper proposing a method to design user interfaces for populating knowledge graphs using SHACL constraint files.

The authors present an approach to create multi-form web applications from SHACL constraints, enabling user interface modeling and leveraging OWL reasoning for logical consistency. This method treats editing knowledge graphs as a business process, integrating ontology-based components. The application models are themselves knowledge graphs that can be verified using OWL reasoning.

Based on: Transforming SHACL Shape Graphs into HTML Applications for Populating Knowledge Graphs · Digital

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FRAG: A Flexible Modular Framework for Retrieval-Augmented Generation based on Knowledge Graphs

A novel flexible modular framework for retrieval-augmented generation using knowledge graphs.

The paper proposes a flexible modular framework, FRAG, which improves retrieval quality while maintaining flexibility in knowledge graph-based retrieval-augmented generation. FRAG estimates the hop range of reasoning paths and applies tailored pipelines to ensure efficient and accurate reasoning path retrieval. The method does not require extra LLM fine-tuning or calls, significantly boosting efficiency and conserving resources.

Based on: FRAG: A Flexible Modular Framework for Retrieval-Augmented Generation based on Knowledge Graphs

HighlightApplied Sciences

Hybrid Multi-Agent GraphRAG for E-Government: Towards a Trustworthy AI Assistant

A modular framework integrating standard RAG, embedding-based retrieval, and LLM-generated structured graphs for e-government question answering.

This paper introduces a hybrid multi-agent graph retrieval-augmented generation (GraphRAG) framework designed to enhance policy-focused question answering in e-government settings. The framework integrates standard RAG, embedding-based retrieval, real-time web search, and LLM-generated structured Graphs to optimize knowledge discovery from public e-government data. This approach aims to provide an overview of a hybrid architecture for operational deployment in e-government settings.

Based on: Hybrid Multi-Agent GraphRAG for E-Government: Towards a Trustworthy AI Assistant · Applied Sciences

HighlightAutomation in Construction

Automating construction contract review using knowledge graph-enhanced large language models

A paper that explores the use of knowledge graphs and large language models to automate construction contract review.

The authors propose a method for automating construction contract review using knowledge graphs and large language models. They enhance a pre-trained LLM with a knowledge graph, which is used to extract relevant information from contracts. The enhanced model is then evaluated on its ability to accurately identify issues in construction contracts.

Based on: Automating construction contract review using knowledge graph-enhanced large language models · Automation in Construction

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DO-RAG: A Domain-Specific QA Framework Using Knowledge Graph-Enhanced Retrieval-Augmented Generation

Proposes a hybrid QA framework integrating knowledge graph construction and semantic vector retrieval.

DO-RAG is a scalable and customizable QA framework that integrates multi-level knowledge graph construction with semantic vector retrieval. It employs an agentic chain-of-thought architecture to extract structured relationships from unstructured documents, constructing dynamic knowledge graphs. The system fuses graph and vector retrieval results to generate context-aware responses.

Based on: DO-RAG: A Domain-Specific QA Framework Using Knowledge Graph-Enhanced Retrieval-Augmented Generation

HighlightKnowledge-Based Systems

Pythia-RAG: Retrieval-augmented generation over a unified multimodal knowledge graph for enhanced QA

A paper proposing Pythia-RAG, a retrieval-augmented generation model for question answering.

The authors introduce Pythia-RAG, a unified multimodal knowledge graph that combines retrieval and generation capabilities. This approach aims to enhance question-answering performance by leveraging the strengths of both methods. The paper presents experiments demonstrating the effectiveness of Pythia-RAG in various QA tasks.

Based on: Pythia-RAG: Retrieval-augmented generation over a unified multimodal knowledge graph for enhanced QA · Knowledge-Based Systems

HighlightarXiv (Cornell University)

TagRAG: Tag-guided Hierarchical Knowledge Graph Retrieval-Augmented Generation

A framework for efficient global reasoning and scalable graph maintenance in knowledge graphs.

The authors propose a tag-guided hierarchical knowledge graph retrieval-augmented generation (RAG) framework, called TagRAG. It introduces two key components: Tag Knowledge Graph Construction and Tag-Guided Retrieval-Augmented Generation. This design aims to improve efficiency and adaptability in global reasoning and graph maintenance.

Based on: TagRAG: Tag-guided Hierarchical Knowledge Graph Retrieval-Augmented Generation · arXiv (Cornell University)

HighlightApplied Sciences

KA-RAG: Integrating Knowledge Graphs and Agentic Retrieval-Augmented Generation for an Intelligent Educational Question-Answering Model

A course-oriented question answering framework that integrates a structured Knowledge Graph with an Agentic Retrieval-Augmented Generation workflow.

The paper introduces KA-RAG, a QA framework combining symbolic graph reasoning with dense semantic retrieval. It achieves high retrieval accuracy and semantic consistency on a graduate-level Pattern Recognition course. User surveys show improvements in learning efficiency and satisfaction.

Based on: KA-RAG: Integrating Knowledge Graphs and Agentic Retrieval-Augmented Generation for an Intelligent Educational Question-Answering Model · Applied Sciences