Function weighRelevanceTermFrequency

Parameters

• document: string

  a single document to calculate the score for
• query: string

  phrase to search tf and idf for each word
• Optionaloptions: {
      saturationWeight: number;
      normalizeLength: number;
      avgDocWordCount: number;
      totalWikiPages: number;
  } = {}

  • saturationWeight: number

    saturationWeight controls the impact of term frequency saturation. It typically ranges from 1.2 to 2.0, with 1.5 being a common default value. As saturationWeight increases: The impact of term frequency increases (i.e., multiple occurrences of a term in a document become more significant).

  • normalizeLength: number

    normalizeLengthcontrols the document length normalization. It ranges from 0 to 1, with 0.75 being a common default value. When normalizeLength=1: Full length normalization is applied. Longer documents are penalized more heavily.

  • avgDocWordCount: number

    Estimated average word count of all documents

  • totalWikiPages: number

    Total number of Wikipedia pages used to calculate IDF