Comp4321 The Index May 14 2026

The anatomy of a top result.

query · us retriev book inform descript · doc № 229
title ×2.0 body match

Forward index · top stems on this page

festiv 21 live 18 search 13 titl 12 us 8 triumph 7 tv 7 episod 5 match 5 v 5 movi 4 jazz 4 imdb 4 aka 4

document length 305 body tokens  ·  max tf 21 (festiv)  ·  vocabulary 180 distinct stems  ·  title 4 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 stems0.0000
  2. cosine(query, title) × 2.0 title boost ×2.0 applied0.0001
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0001
  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 × pagerank0.0001

Per-query-stem · how each term contributes

  1. us wid 0027 · df 286 body tf 8 title tf 1 idf 0.069
  2. retriev wid 0025 · df 7 body tf 0 title tf 0 idf 5.421
  3. book wid 0011 · df 19 body tf 0 title tf 0 idf 3.981
  4. inform wid 0024 · df 27 body tf 0 title tf 0 idf 3.474
  5. descript wid 0928 · df 4 body tf 0 title tf 0 idf 6.229

Outlinks (1)