Comp4321 The Index May 14 2026

The anatomy of a top result.

query · wall could search titl talk · doc № 169
body match

Forward index · top stems on this page

movi 11 user 10 imdb 10 rate 9 plot 8 comment 7 killer 6 photo 5 titl 5 quot 5 within 5 dvdvhscdall 5 detail 5 board 4

document length 682 body tokens  ·  max tf 11 (movi)  ·  vocabulary 459 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 stems0.0220
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0220
  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 × pagerank0.0220

Per-query-stem · how each term contributes

  1. wall wid 0635 · df 9 body tf 0 title tf 0 idf 5.059
  2. could wid 0636 · df 31 body tf 2 title tf 0 idf 3.275
  3. search wid 0153 · df 147 body tf 0 title tf 0 idf 1.029
  4. titl wid 1103 · df 288 body tf 5 title tf 0 idf 0.059
  5. talk wid 0637 · df 17 body tf 0 title tf 0 idf 4.141

Outlinks (1)