Comp4321 The Index May 14 2026

The anatomy of a top result.

query · film search tv titl academi · doc № 055
body match

Forward index · top stems on this page

movi 12 user 10 imdb 10 spitfir 9 grill 8 rate 8 perci 7 plot 6 photo 5 titl 5 quot 5 dvdvhscdall 5 detail 5 award 5

document length 635 body tokens  ·  max tf 12 (movi)  ·  vocabulary 424 distinct stems  ·  title 2 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 stems0.0331
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0331
  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 × pagerank0.0331

Per-query-stem · how each term contributes

  1. film wid 1258 · df 162 body tf 2 title tf 0 idf 0.889
  2. search wid 0153 · df 147 body tf 0 title tf 0 idf 1.029
  3. tv wid 1104 · df 288 body tf 2 title tf 0 idf 0.059
  4. titl wid 1103 · df 288 body tf 5 title tf 0 idf 0.059
  5. academi wid 3845 · df 11 body tf 1 title tf 0 idf 4.769

Outlinks (1)