Equation 28 · Part 1 · Naive, Graph, and Agentic: A Systems Comparison of RAG Architectures
Symbol k
What this part means
k is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
k is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol k→Article meaning
The passage around this formula
Both approaches share the same engineering consequence: the number of retrieval-generation rounds, call it k , is no longer fixed at one. Latency and cost scale with k , and unlike the naive or hybrid families, k is now a property of the question rather than of the architecture — a single-hop question still costs roughly one round, but a four-hop question costs roughly four, and the system pays that…
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A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
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Sources cited in the article section
- [7] Interleaving Retrieval with Chain-of-Thought Reasoning for Knowledge-Intensive Multi-Step Questions ↗
- [8] Active Retrieval Augmented Generation ↗
These citations provide research context; check each source for the exact claim it supports.