Comp4321 The Index May 14 2026

The anatomy of a top result.

query · search review titl isl man · doc № 286
body match

Forward index · top stems on this page

evelyn 14 movi 11 user 10 imdb 10 stori 9 rate 9 doyl 7 plot 6 photo 5 titl 5 quot 5 on 5 film 5 dvdvhscdall 5

document length 744 body tokens  ·  max tf 14 (evelyn)  ·  vocabulary 500 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 stems0.0187
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.0187
  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 × pagerank0.0187

Per-query-stem · how each term contributes

  1. search wid 0153 · df 147 body tf 0 title tf 0 idf 1.029
  2. review wid 0040 · df 156 body tf 3 title tf 0 idf 0.943
  3. titl wid 1103 · df 288 body tf 5 title tf 0 idf 0.059
  4. isl wid 0037 · df 2 body tf 0 title tf 0 idf 7.229
  5. man wid 0038 · df 61 body tf 4 title tf 0 idf 2.298

Outlinks (1)