Comp4321 The Index May 14 2026

The anatomy of a top result.

query · evelyn movi user imdb stori · doc № 223
body match

Forward index · top stems on this page

user 10 imdb 10 querel 9 movi 8 rate 8 plot 6 titl 5 quot 5 dvdvhscdall 5 detail 5 comment 5 cast 4 board 4 germani 4

document length 531 body tokens  ·  max tf 10 (user)  ·  vocabulary 373 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 stems0.0125
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0125
  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 × pagerank0.0125

Per-query-stem · how each term contributes

  1. evelyn wid 0624 · df 3 body tf 0 title tf 0 idf 6.644
  2. movi wid 0012 · df 290 body tf 8 title tf 0 idf 0.049
  3. user wid 1045 · df 289 body tf 10 title tf 0 idf 0.054
  4. imdb wid 1084 · df 288 body tf 10 title tf 0 idf 0.059
  5. stori wid 0275 · df 85 body tf 3 title tf 0 idf 1.819

Outlinks (1)