Tokenization and text representation · MLD-1230

TF-IDF

Weighting terms by their document frequency and relative rarity across a corpus.

Original reference page · detailed expansion pending. Original definitions, examples, notes and citations are preserved below. New examples are illustrative, not benchmark results.

Original example

Build sparse text features for retrieval.

Original caveat

Tokenization and formula conventions affect weights.

Context and aliases

Level: Intermediate. Stages: Data · Training · Inference.

Tags: NLP · SLM · LLM.

Aliases: Term frequency-inverse document frequency.

Related concepts

Concepts linking here

Original references

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