Equation 34 · Naive, Graph, and Agentic: A Systems Comparison of RAG Architectures
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This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.
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Symbol L_LLM^(i)
LM^(i) is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
subscript
The lower label selects a particular version, component, or indexed member of the quantity. For example, x₀ and xₜ can be values at different positions.
superscript
A raised number can be a power. When it is a label or bound, it selects a case or the upper limit of a sum; the formula’s structure distinguishes these uses.
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What the article says around this equation
A single latency model makes the difference between the first three rows and the last two concrete. Writing for query encoding, and and for the retrieval and generation cost of round i ,
Sources cited in the article section
- [7] Interleaving Retrieval with Chain-of-Thought Reasoning for Knowledge-Intensive Multi-Step Questions ↗
- [4] From Local to Global: A Graph RAG Approach to Query-Focused Summarization ↗
- [9] Self-RAG: Learning to Retrieve, Generate, and Critique through Self-Reflection ↗
These citations give research context. Read each source to check which claims it supports.
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