Comp4321 The Index May 14 2026

The anatomy of a top result.

query · stori search fishi titl fish · doc № 051
body match

Forward index · top stems on this page

user 10 imdb 10 rate 9 love 8 home 7 movi 6 road 6 titl 6 plot 6 stori 5 first 5 detail 5 comment 5 cast 4

document length 486 body tokens  ·  max tf 10 (user)  ·  vocabulary 315 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 stems0.0187
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0187
  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 × pagerank0.0187

Per-query-stem · how each term contributes

  1. stori wid 0275 · df 85 body tf 5 title tf 0 idf 1.819
  2. search wid 0153 · df 147 body tf 0 title tf 0 idf 1.029
  3. fishi wid 0274 · df 2 body tf 0 title tf 0 idf 7.229
  4. titl wid 1103 · df 288 body tf 6 title tf 0 idf 0.059
  5. fish wid 6856 · df 3 body tf 0 title tf 0 idf 6.644

Outlinks (1)