Comp4321 The Index May 14 2026

The anatomy of a top result.

query · clifford dai save search titl · doc № 177
body match

Forward index · top stems on this page

user 10 imdb 10 movi 9 fame 9 rate 9 school 7 new 6 titl 6 plot 6 peopl 6 quot 5 detail 5 comment 5 student 5

document length 710 body tokens  ·  max tf 10 (user)  ·  vocabulary 487 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 stems0.0200
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0200
  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 × pagerank0.0200

Per-query-stem · how each term contributes

  1. clifford wid 0090 · df 2 body tf 0 title tf 0 idf 7.229
  2. dai wid 0092 · df 38 body tf 3 title tf 0 idf 2.981
  3. save wid 0091 · df 12 body tf 0 title tf 0 idf 4.644
  4. search wid 0153 · df 147 body tf 0 title tf 0 idf 1.029
  5. titl wid 1103 · df 288 body tf 6 title tf 0 idf 0.059

Outlinks (1)