Comp4321 The Index May 14 2026

The anatomy of a top result.

query · chappel show episod rate user · doc № 144
body match

Forward index · top stems on this page

episod 19 bam 16 rate 12 user 10 imdb 10 show 9 titl 8 viva 8 la 8 movi 6 quot 6 margera 6 cast 5 plot 5

document length 586 body tokens  ·  max tf 19 (episod)  ·  vocabulary 353 distinct stems  ·  title 4 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 stems0.0149
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0149
  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 × pagerank0.0149

Per-query-stem · how each term contributes

  1. chappel wid 0527 · df 2 body tf 0 title tf 0 idf 7.229
  2. show wid 0515 · df 167 body tf 9 title tf 0 idf 0.845
  3. episod wid 1105 · df 288 body tf 19 title tf 0 idf 0.059
  4. rate wid 1518 · df 151 body tf 12 title tf 0 idf 0.990
  5. user wid 1045 · df 289 body tf 10 title tf 0 idf 0.054

Outlinks (1)