Comp4321 The Index May 14 2026

The anatomy of a top result.

query · movi user imdb empir roman · doc № 073
title ×2.0 body match

Forward index · top stems on this page

search 13 america 13 titl 11 empir 11 tv 8 burn 8 ken 7 air 7 episod 5 match 5 american 5 movi 4 imdb 4 mai 4

document length 302 body tokens  ·  max tf 13 (search)  ·  vocabulary 186 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 stems0.3183
  2. cosine(query, title) × 2.0 title boost ×2.0 applied0.6239
  3. weighted subtotal cosBody + 2.0 × cosTitle0.9422
  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 × pagerank0.9422

Per-query-stem · how each term contributes

  1. movi wid 0012 · df 290 body tf 4 title tf 0 idf 0.049
  2. user wid 1045 · df 289 body tf 1 title tf 0 idf 0.054
  3. imdb wid 1084 · df 288 body tf 4 title tf 0 idf 0.059
  4. empir wid 0193 · df 7 body tf 11 title tf 1 idf 5.421
  5. roman wid 0484 · df 3 body tf 0 title tf 0 idf 6.644

Outlinks (1)