Comp4321 The Index May 14 2026

The anatomy of a top result.

query · cold blood titl aka search · doc № 129
title ×2.0 body match

Forward index · top stems on this page

rambo 17 first 12 user 10 imdb 10 film 10 blood 10 rate 9 movi 8 part 7 ii 7 plot 6 action 6 pow 6 titl 5

document length 758 body tokens  ·  max tf 17 (rambo)  ·  vocabulary 484 distinct stems  ·  title 5 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 stems0.1131
  2. cosine(query, title) × 2.0 title boost ×2.0 applied0.4670
  3. weighted subtotal cosBody + 2.0 × cosTitle0.5801
  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 × pagerank0.5801

Per-query-stem · how each term contributes

  1. cold wid 0328 · df 5 body tf 0 title tf 0 idf 5.907
  2. blood wid 0316 · df 21 body tf 10 title tf 1 idf 3.837
  3. titl wid 1103 · df 288 body tf 5 title tf 0 idf 0.059
  4. aka wid 0331 · df 140 body tf 0 title tf 0 idf 1.100
  5. search wid 0153 · df 147 body tf 0 title tf 0 idf 1.029

Outlinks (1)