Comp4321 The Index May 14 2026

The anatomy of a top result.

query · song search titl sing tv · doc № 282
body match

Forward index · top stems on this page

disnei 11 user 10 imdb 10 rate 9 movi 7 titl 7 saludo 7 plot 6 amigo 6 south 5 dvdvhscdall 5 detail 5 comment 5 board 4

document length 596 body tokens  ·  max tf 11 (disnei)  ·  vocabulary 399 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 stems0.0328
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0328
  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 × pagerank0.0328

Per-query-stem · how each term contributes

  1. song wid 0503 · df 42 body tf 3 title tf 0 idf 2.837
  2. search wid 0153 · df 147 body tf 0 title tf 0 idf 1.029
  3. titl wid 1103 · df 288 body tf 7 title tf 0 idf 0.059
  4. sing wid 0502 · df 14 body tf 0 title tf 0 idf 4.421
  5. tv wid 1104 · df 288 body tf 2 title tf 0 idf 0.059

Outlinks (1)