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#knowledge-graphs News & Analysis

177 articles tagged with #knowledge-graphs. AI-curated summaries with sentiment analysis and key takeaways from 50+ sources.

177 articles
AIBullisharXiv – CS AI · Mar 116/10
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Semantic Level of Detail: Multi-Scale Knowledge Representation via Heat Kernel Diffusion on Hyperbolic Manifolds

Researchers introduce Semantic Level of Detail (SLoD), a framework for AI memory systems that uses heat kernel diffusion on hyperbolic manifolds to enable continuous resolution control in knowledge graphs. The method automatically detects meaningful abstraction levels without manual parameters, achieving perfect recovery on synthetic hierarchies and strong alignment with real-world taxonomies like WordNet.

AIBullisharXiv – CS AI · Mar 96/10
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The EpisTwin: A Knowledge Graph-Grounded Neuro-Symbolic Architecture for Personal AI

Researchers introduce EpisTwin, a neuro-symbolic AI framework that creates Personal Knowledge Graphs from fragmented user data across applications. The system combines Graph Retrieval-Augmented Generation with visual refinement to enable complex reasoning over personal semantic data, addressing current limitations in personal AI systems.

AIBullisharXiv – CS AI · Mar 55/10
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Leveraging Large Language Models for Semantic Query Processing in a Scholarly Knowledge Graph

Researchers at the Australian National University developed a semantic query processing system that combines Large Language Models with a scholarly Knowledge Graph to enable comprehensive information retrieval about computer science research. The system uses the Deep Document Model for fine-grained document representation and KG-enhanced Query Processing for optimized query handling, showing superior accuracy and efficiency compared to baseline methods.

AIBullisharXiv – CS AI · Mar 45/104
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VL-KGE: Vision-Language Models Meet Knowledge Graph Embeddings

Researchers have developed VL-KGE, a new framework that combines Vision-Language Models with Knowledge Graph Embeddings to better process multimodal knowledge graphs. The approach addresses limitations in existing methods by enabling stronger cross-modal alignment and more unified representations across diverse data types.

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AIBullisharXiv – CS AI · Mar 36/108
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MED-COPILOT: A Medical Assistant Powered by GraphRAG and Similar Patient Case Retrieval

Researchers have developed MED-COPILOT, an AI-powered clinical decision-support system that combines GraphRAG retrieval with similar patient case analysis to assist healthcare professionals. The system uses structured knowledge graphs from WHO and NICE guidelines along with a 36,000-case patient database to outperform standard AI models in clinical reasoning accuracy.

AIBullisharXiv – CS AI · Mar 36/107
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Pharmacology Knowledge Graphs: Do We Need Chemical Structure for Drug Repurposing?

Researchers developed a pharmacology knowledge graph for drug repurposing and found that removing chemical structure representations improved performance while dramatically reducing computational requirements. The study showed that drug behavior can be accurately predicted using only target protein information and network topology, with larger datasets proving more valuable than complex models.

AIBullisharXiv – CS AI · Mar 36/107
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NovaLAD: A Fast, CPU-Optimized Document Extraction Pipeline for Generative AI and Data Intelligence

NovaLAD is a new CPU-optimized document extraction pipeline that uses dual YOLO models for converting unstructured documents into structured formats for AI applications. The system achieves 96.49% TEDS and 98.51% NID on benchmarks, outperforming existing commercial and open-source parsers while running efficiently on CPU without requiring GPU resources.

AIBullisharXiv – CS AI · Mar 36/106
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Linking Knowledge to Care: Knowledge Graph-Augmented Medical Follow-Up Question Generation

Researchers developed KG-Followup, a knowledge graph-augmented large language model system that generates medical follow-up questions for pre-diagnostic assessment. The system combines structured medical domain knowledge with LLMs to improve clinical diagnosis efficiency, outperforming existing methods by 5-8% in recall benchmarks.

AIBullisharXiv – CS AI · Mar 36/103
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Knowledge Graph Augmented Large Language Models for Disease Prediction

Researchers developed a knowledge graph-guided chain-of-thought framework that uses large language models for disease prediction from electronic health records. The approach outperformed classical baselines and showed strong zero-shot transfer capabilities, with clinicians preferring the AI-generated explanations for their clarity and relevance.

AIBullisharXiv – CS AI · Mar 26/1014
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MMKG-RDS: Reasoning Data Synthesis via Deep Mining of Multimodal Knowledge Graphs

Researchers introduce MMKG-RDS, a framework that uses multimodal knowledge graphs to synthesize high-quality training data for improving AI model reasoning abilities. Testing on Qwen3 models showed 9.2% improvement in reasoning accuracy, with applications for complex benchmark construction involving tables and formulas.

AIBullisharXiv – CS AI · Mar 26/1017
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VISTA: Knowledge-Driven Vessel Trajectory Imputation with Repair Provenance

Researchers introduce VISTA, a framework for vessel trajectory imputation that uses knowledge-driven LLM reasoning to repair incomplete maritime tracking data. The system provides 'repair provenance' - documented reasoning behind data repairs - achieving 5-91% accuracy improvements over existing methods while reducing inference time by 51-93%.

AIBullisharXiv – CS AI · Feb 276/108
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Graph Your Way to Inspiration: Integrating Co-Author Graphs with Retrieval-Augmented Generation for Large Language Model Based Scientific Idea Generation

Researchers developed GYWI, a scientific idea generation system that combines author knowledge graphs with retrieval-augmented generation to help Large Language Models generate more controllable and traceable scientific ideas. The system significantly outperforms mainstream LLMs including GPT-4o, DeepSeek-V3, Qwen3-8B, and Gemini 2.5 in metrics like novelty, reliability, and relevance.

AIBullisharXiv – CS AI · Feb 276/105
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Comparative Analysis of Neural Retriever-Reranker Pipelines for Retrieval-Augmented Generation over Knowledge Graphs in E-commerce Applications

Researchers developed improved neural retriever-reranker pipelines for Retrieval-Augmented Generation (RAG) systems over knowledge graphs in e-commerce applications. The study achieved 20.4% higher Hit@1 and 14.5% higher Mean Reciprocal Rank compared to existing benchmarks, providing a framework for production-ready RAG systems.

AIBullisharXiv – CS AI · Feb 276/105
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TCM-DiffRAG: Personalized Syndrome Differentiation Reasoning Method for Traditional Chinese Medicine based on Knowledge Graph and Chain of Thought

Researchers developed TCM-DiffRAG, a novel AI framework that combines knowledge graphs with chain-of-thought reasoning to improve large language models' performance in Traditional Chinese Medicine diagnosis. The system significantly outperformed standard LLMs and other RAG methods in personalized medical reasoning tasks.

AIBullisharXiv – CS AI · Feb 276/108
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G-reasoner: Foundation Models for Unified Reasoning over Graph-structured Knowledge

Researchers introduce G-reasoner, a unified framework combining graph and language foundation models to enable better reasoning over structured knowledge. The system uses a 34M-parameter graph foundation model with QuadGraph abstraction to outperform existing retrieval-augmented generation methods across six benchmarks.

AIBullisharXiv – CS AI · Feb 276/107
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RELOOP: Recursive Retrieval with Multi-Hop Reasoner and Planners for Heterogeneous QA

Researchers introduce RELOOP, a new retrieval-augmented generation framework that improves multi-step question answering across text, tables, and knowledge graphs. The system uses hierarchical sequences and structure-aware iteration to achieve better accuracy while reducing computational costs compared to existing RAG methods.

AINeutralarXiv – CS AI · Mar 175/10
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OMNIA: Closing the Loop by Leveraging LLMs for Knowledge Graph Completion

Researchers present OMNIA, a two-stage AI approach that combines structural and semantic reasoning to improve Knowledge Graph Completion using Large Language Models. The method clusters semantically related entities and validates them through embedding filtering and LLM-based validation, showing significant improvements in F1-scores compared to traditional models.

AINeutralarXiv – CS AI · Mar 64/10
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A unified foundational framework for knowledge injection and evaluation of Large Language Models in Combustion Science

Researchers developed the first comprehensive framework for creating domain-specialized Large Language Models for combustion science, using 3.5 billion tokens from scientific literature and code. The study found that standard RAG approaches hit a performance ceiling at 60% accuracy, highlighting the need for more advanced knowledge injection methods including knowledge graphs and continued pretraining.

AINeutralarXiv – CS AI · Mar 35/106
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Multi-Sourced, Multi-Agent Evidence Retrieval for Fact-Checking

Researchers propose WKGFC, a new AI system that uses knowledge graphs and multi-agent retrieval to improve fact-checking accuracy. The system addresses limitations of current methods that rely on textual similarity by implementing an automated Markov Decision Process with LLM agents to retrieve and verify evidence from multiple sources.

AINeutralarXiv – CS AI · Mar 25/105
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LEC-KG: An LLM-Embedding Collaborative Framework for Domain-Specific Knowledge Graph Construction -- A Case Study on SDGs

Researchers developed LEC-KG, a new framework that combines Large Language Models with Knowledge Graph Embeddings to better extract and structure information from unstructured text. The system was tested on Chinese Sustainable Development Goal reports and showed significant improvements over traditional LLM approaches, particularly for identifying rare relationships in domain-specific content.

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