Comp4321 The Index May 14 2026

The anatomy of a top result.

query · obsess search titl aka match · doc № 116
phrase ×3.0 title ×2.0 body match

Forward index · top stems on this page

obsess 27 titl 17 search 13 aka 8 tv 8 match 6 episod 5 result 5 movi 4 imdb 4 mai 4 woman 3 displai 3 usa 3

document length 263 body tokens  ·  max tf 27 (obsess)  ·  vocabulary 152 distinct stems  ·  title 1 stems

Score breakdown

Re-derived from the same tf·idf cosine values, boost factors, and PageRank multipliers the live ranker just used. weighted = body + title × 2.0 · final = weighted × phrase × pagerank.

  1. cosine(query, body) tf·idf body · 5 resolved stems0.9408
  2. cosine(query, title) × 2.0 title boost ×2.0 applied1.8989
  3. weighted subtotal cosBody + 2.0 × cosTitle2.8397
  4. × phrase multiplier ≥2 stems within 5-token window×3.0
  5. × pagerank multiplier PageRank not computed for this page · ×1.0×1.0000
  6. final score weighted × phrase × pagerank8.5191

Per-query-stem · how each term contributes

  1. obsess wid 0146 · df 6 body tf 27 title tf 1 idf 5.644
  2. search wid 0153 · df 147 body tf 13 title tf 0 idf 1.029
  3. titl wid 1103 · df 288 body tf 17 title tf 0 idf 0.059
  4. aka wid 0331 · df 140 body tf 8 title tf 0 idf 1.100
  5. match wid 1115 · df 140 body tf 6 title tf 0 idf 1.100

Outlinks (1)