Comp4321 The Index May 14 2026

The anatomy of a top result.

query · search america titl empir tv · doc № 211
title ×2.0 body match

Forward index · top stems on this page

movi 10 user 10 imdb 10 empir 9 roman 8 rate 8 fall 7 plot 6 titl 5 quot 5 dvdvhscdall 5 detail 5 comment 5 cast 5

document length 573 body tokens  ·  max tf 10 (movi)  ·  vocabulary 393 distinct stems  ·  title 3 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 stems0.2908
  2. cosine(query, title) × 2.0 title boost ×2.0 applied0.9069
  3. weighted subtotal cosBody + 2.0 × cosTitle1.1977
  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 × pagerank1.1977

Per-query-stem · how each term contributes

  1. search wid 0153 · df 147 body tf 0 title tf 0 idf 1.029
  2. america wid 0192 · df 17 body tf 0 title tf 0 idf 4.141
  3. titl wid 1103 · df 288 body tf 5 title tf 0 idf 0.059
  4. empir wid 0193 · df 7 body tf 9 title tf 1 idf 5.421
  5. tv wid 1104 · df 288 body tf 2 title tf 0 idf 0.059

Outlinks (1)