Comp4321 The Index May 14 2026

The anatomy of a top result.

query · obsess titl search aka tv · doc № 049
title ×2.0 body match

Forward index · top stems on this page

obsess 25 search 13 titl 12 aka 7 match 7 daydream 7 v 6 danger 6 episod 5 movi 4 imdb 4 tv 4 mai 4 displai 3

document length 291 body tokens  ·  max tf 25 (obsess)  ·  vocabulary 181 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 stems0.8653
  2. cosine(query, title) × 2.0 title boost ×2.0 applied1.1891
  3. weighted subtotal cosBody + 2.0 × cosTitle2.0543
  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 × pagerank2.0543

Per-query-stem · how each term contributes

  1. obsess wid 0146 · df 6 body tf 25 title tf 1 idf 5.644
  2. titl wid 1103 · df 288 body tf 12 title tf 0 idf 0.059
  3. search wid 0153 · df 147 body tf 13 title tf 0 idf 1.029
  4. aka wid 0331 · df 140 body tf 7 title tf 0 idf 1.100
  5. tv wid 1104 · df 288 body tf 4 title tf 0 idf 0.059

Outlinks (1)