Comp4321 The Index May 14 2026

The anatomy of a top result.

query · littl princess titl search aka · doc № 263
title ×2.0 body match

Forward index · top stems on this page

littl 21 stuart 17 movi 11 user 10 imdb 10 rate 9 first 7 titl 6 plot 6 photo 5 quot 5 detail 5 new 4 board 4

document length 689 body tokens  ·  max tf 21 (littl)  ·  vocabulary 450 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 stems0.1412
  2. cosine(query, title) × 2.0 title boost ×2.0 applied0.3567
  3. weighted subtotal cosBody + 2.0 × cosTitle0.4979
  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 × pagerank0.4979

Per-query-stem · how each term contributes

  1. littl wid 0386 · df 45 body tf 21 title tf 1 idf 2.737
  2. princess wid 0279 · df 6 body tf 0 title tf 0 idf 5.644
  3. titl wid 1103 · df 288 body tf 6 title tf 0 idf 0.059
  4. search wid 0153 · df 147 body tf 0 title tf 0 idf 1.029
  5. aka wid 0331 · df 140 body tf 0 title tf 0 idf 1.100

Outlinks (1)