Comp4321 The Index May 14 2026

The anatomy of a top result.

query · richard user imdb rate movi · doc № 219
body match

Forward index · top stems on this page

song 21 search 13 titl 12 sing 11 tv 9 three 9 six 9 stoog 7 pant 7 episod 5 match 5 v 5 movi 4 imdb 4

document length 339 body tokens  ·  max tf 21 (song)  ·  vocabulary 199 distinct stems  ·  title 6 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 stems0.0291
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0291
  4. × phrase multiplier stems not within 5-token window · ×1.0×1.0
  5. × pagerank multiplier PageRank not computed for this page · ×1.0×1.0000
  6. final score weighted × phrase × pagerank0.0291

Per-query-stem · how each term contributes

  1. richard wid 0181 · df 19 body tf 1 title tf 0 idf 3.981
  2. user wid 1045 · df 289 body tf 1 title tf 0 idf 0.054
  3. imdb wid 1084 · df 288 body tf 4 title tf 0 idf 0.059
  4. rate wid 1518 · df 151 body tf 0 title tf 0 idf 0.990
  5. movi wid 0012 · df 290 body tf 4 title tf 0 idf 0.049

Outlinks (1)