Comp4321 The Index May 14 2026

The anatomy of a top result.

query · test page new crawler get · doc № 145
body match

Forward index · top stems on this page

user 10 imdb 10 rate 9 plot 6 lost 6 spirit 6 detail 6 movi 5 ghost 5 titl 5 dvdvhscdall 5 comment 5 board 4 quot 4

document length 456 body tokens  ·  max tf 10 (user)  ·  vocabulary 312 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 · 4 resolved stems0.0011
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0011
  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 × pagerank0.0011

Per-query-stem · how each term contributes

  1. test wid 0000 · df 6 body tf 0 title tf 0 idf 5.644
  2. page wid 0001 · df 154 body tf 1 title tf 0 idf 0.962
  3. new wid 0010 · df 292 body tf 2 title tf 0 idf 0.039
  4. crawler wid 0002 · df 2 body tf 0 title tf 0 idf 7.229

Outlinks (1)