Comp4321 The Index May 14 2026

The anatomy of a top result.

query · wild lost search titl west · doc № 151
title ×2.0 body match

Forward index · top stems on this page

wild 22 lost 16 search 13 titl 12 west 12 aka 10 usa 8 match 6 movi 5 episod 5 imdb 4 tv 4 go 4 mai 4

document length 334 body tokens  ·  max tf 22 (wild)  ·  vocabulary 193 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 stems0.8500
  2. cosine(query, title) × 2.0 title boost ×2.0 applied1.7549
  3. weighted subtotal cosBody + 2.0 × cosTitle2.6049
  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 × pagerank2.6049

Per-query-stem · how each term contributes

  1. wild wid 0359 · df 9 body tf 22 title tf 1 idf 5.059
  2. lost wid 0199 · df 25 body tf 16 title tf 1 idf 3.585
  3. search wid 0153 · df 147 body tf 13 title tf 0 idf 1.029
  4. titl wid 1103 · df 288 body tf 12 title tf 0 idf 0.059
  5. west wid 0902 · df 32 body tf 12 title tf 0 idf 3.229

Outlinks (1)