Comp4321 The Index May 14 2026

The anatomy of a top result.

query · titl search adam madam match · doc № 024
body match

Forward index · top stems on this page

search 13 return 9 titl 9 lord 8 ring 8 king 8 extend 7 edit 7 bonu 7 materi 6 movi 5 episod 5 match 5 imdb 4

document length 222 body tokens  ·  max tf 13 (search)  ·  vocabulary 120 distinct stems  ·  title 8 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 stems0.0230
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0230
  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 × pagerank0.0230

Per-query-stem · how each term contributes

  1. titl wid 1103 · df 288 body tf 9 title tf 0 idf 0.059
  2. search wid 0153 · df 147 body tf 13 title tf 0 idf 1.029
  3. adam wid 0429 · df 5 body tf 0 title tf 0 idf 5.907
  4. madam wid 8955 · df 2 body tf 0 title tf 0 idf 7.229
  5. match wid 1115 · df 140 body tf 5 title tf 0 idf 1.100

Outlinks (1)