Comp4321 The Index May 14 2026

The anatomy of a top result.

query · second search titl result aka · doc № 028
phrase ×3.0 title ×2.0 body match

Forward index · top stems on this page

second 30 search 13 titl 12 result 7 aka 6 match 6 episod 5 movi 4 imdb 4 tv 4 usa 4 altern 4 gone 4 mai 4

document length 256 body tokens  ·  max tf 30 (second)  ·  vocabulary 145 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 stems0.8119
  2. cosine(query, title) × 2.0 title boost ×2.0 applied1.6893
  3. weighted subtotal cosBody + 2.0 × cosTitle2.5011
  4. × phrase multiplier ≥2 stems within 5-token window×3.0
  5. × pagerank multiplier PageRank not computed for this page · ×1.0×1.0000
  6. final score weighted × phrase × pagerank7.5033

Per-query-stem · how each term contributes

  1. second wid 0077 · df 39 body tf 30 title tf 1 idf 2.943
  2. search wid 0153 · df 147 body tf 13 title tf 0 idf 1.029
  3. titl wid 1103 · df 288 body tf 12 title tf 0 idf 0.059
  4. result wid 0739 · df 140 body tf 7 title tf 0 idf 1.100
  5. aka wid 0331 · df 140 body tf 6 title tf 0 idf 1.100

Outlinks (1)