PersonalAI 2.0: Enhancing knowledge graph traversal/retrieval with planning mechanism for Personalized LLM Agents
Summary
PersonalAI 2.0 introduces a framework that enhances LLM-based systems by integrating external knowledge graphs with dynamic multistage query processing and adaptive planning mechanisms, achieving reductions in hallucination rates and improved precision across multiple benchmarks.
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Paper page - PersonalAI 2.0: Enhancing knowledge graph traversal/retrieval with planning mechanism for Personalized LLM Agents
Source: https://huggingface.co/papers/2605.13481 Authors:
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Abstract
PersonalAI 2.0 enhances LLM-based systems through external knowledge graph integration with dynamic multistage query processing and adaptive information search mechanisms.
We introduce PersonalAI 2.0 (PAI-2), a novel framework, designed to enhancelarge language model(LLM) based systems through integration of externalknowledge graphs(KG). The proposed approach addresses key limitations of existingGraph Retrieval-Augmented Generation(GraphRAG) methods by incorporating a dynamic, multistage query processing pipeline. The central point of PAI-2 design is its ability to perform adaptive, iterative information search, guided by extracted entities, matched graph vertices and generated clue-queries. Conducted evaluation over six benchmarks (Natural Questions, TriviaQA, HotpotQA, 2WikiMultihopQA, MuSiQue and DiaASQ) demonstrates improvement in factual correctness of generating answers compared to analogues methods (LightRAG, RAPTOR, and HippoRAG 2). PAI-2 achieves 4% average gain byLLM-as-a-Judgeacross four benchmarks, reflecting its effectiveness in reducing hallucination rates and increasing precision. We show that use ofgraph traversal algorithms(e.g.BeamSearch,WaterCircles) gain superior results compared to standard flatten retriever on average 6%, while enabledsearch plan enhancementmechanism gain 18% boost compared to disabled one byLLM-as-a-Judgeacross six datasets. In addition, ablation study reveals that PAI-2 achieves the SOTA result on MINE-1 benchmark, achieving 89%information-retention score, using LLMs from 7-14B tiers. Collectively, these findings underscore the potential of PAI-2 to serve as a foundational model for next-generation personalized AI applications, requiring scalable, context-aware knowledge representation and reasoning capabilities.
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