Knowledge / property graphs provide truths that can guide the retrieval. LLMs lack a truth function, ie causality. The KPG provides this as sorta a lace across the llm vector space. A KPG can either be used as a filter or a router of sorts. I expect we’ll see kpgs colocated with vector data of the llm and a tuned router layer uses it to guide retrieval and course correct the output. Kind of like MoE.
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