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Equation 14 · Part 1 · Ten Failure Modes That Define Production RAG

Symbol d

dd
dd

What this part means

d 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

d is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

and d grows with corpus redundancy in a way that is invisible to any retrieval metric computed against a deduplicated relevance-judgement set, which is how most benchmarks are built. Schelpe’s recent empirical analysis, released as a preprint and not yet peer reviewed, measured exact-duplication rates…

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Learn the underlying idea

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 surrounding passage

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