Comp4321 The Index May 14 2026

The anatomy of a top result.

query · miss action user imdb rate · doc № 126
body match

Forward index · top stems on this page

advertis 13 user 10 imdb 10 plot 9 wimsei 9 peter 8 murder 8 must 8 rate 8 mr 7 movi 6 quot 6 lord 5 titl 5

document length 715 body tokens  ·  max tf 13 (advertis)  ·  vocabulary 467 distinct stems  ·  title 6 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 stems0.0614
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0614
  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 × pagerank0.0614

Per-query-stem · how each term contributes

  1. miss wid 0454 · df 27 body tf 3 title tf 0 idf 3.474
  2. action wid 0455 · df 46 body tf 0 title tf 0 idf 2.705
  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. rate wid 1518 · df 151 body tf 8 title tf 0 idf 0.990

Outlinks (1)