Comp4321 The Index May 14 2026

The anatomy of a top result.

query · user imdb rate plot lost · doc № 014
body match

Forward index · top stems on this page

charact 40 titl 13 search 13 aka 6 match 6 tv 5 episod 5 studi 5 movi 4 imdb 4 v 4 reveal 4 mai 4 result 3

document length 296 body tokens  ·  max tf 40 (charact)  ·  vocabulary 181 distinct stems  ·  title 1 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 stems0.0551
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0551
  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 × pagerank0.0551

Per-query-stem · how each term contributes

  1. user wid 1045 · df 289 body tf 1 title tf 0 idf 0.054
  2. imdb wid 1084 · df 288 body tf 4 title tf 0 idf 0.059
  3. rate wid 1518 · df 151 body tf 0 title tf 0 idf 0.990
  4. plot wid 1110 · df 288 body tf 1 title tf 0 idf 0.059
  5. lost wid 0199 · df 25 body tf 1 title tf 0 idf 3.585

Outlinks (1)