Comp4321 The Index May 14 2026

The anatomy of a top result.

query · user imdb cast giant film · doc № 261
phrase ×3.0 title ×2.0 body match

Forward index · top stems on this page

user 10 imdb 10 cast 10 giant 10 film 9 rate 8 movi 7 plot 7 titl 5 quot 5 quotcast 5 shadowquot 5 dvdvhscdall 5 detail 5

document length 636 body tokens  ·  max tf 10 (user)  ·  vocabulary 427 distinct stems  ·  title 3 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 stems0.4149
  2. cosine(query, title) × 2.0 title boost ×2.0 applied1.5473
  3. weighted subtotal cosBody + 2.0 × cosTitle1.9621
  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 × pagerank5.8864

Per-query-stem · how each term contributes

  1. user wid 1045 · df 289 body tf 10 title tf 0 idf 0.054
  2. imdb wid 1084 · df 288 body tf 10 title tf 0 idf 0.059
  3. cast wid 0578 · df 152 body tf 10 title tf 1 idf 0.981
  4. giant wid 0579 · df 5 body tf 10 title tf 1 idf 5.907
  5. film wid 1258 · df 162 body tf 9 title tf 0 idf 0.889

Outlinks (1)