Comp4321 The Index May 14 2026

The anatomy of a top result.

query · program comput student univers scienc · doc № 005
body match

Forward index · top stems on this page

postgradu 9 admiss 8 program 8 comput 8 applic 7 scienc 7 requir 6 student 6 english 6 admit 5 must 4 compet 4 area 4 languag 4

document length 237 body tokens  ·  max tf 9 (postgradu)  ·  vocabulary 119 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 · 4 resolved stems0.4709
  2. cosine(query, title) × 2.0 no title overlap (×2.0 unused)0.0000
  3. weighted subtotal cosBody + 2.0 × cosTitle0.4709
  4. × phrase multiplier stems not within 5-token window · ×1.0×1.0
  5. × pagerank multiplier 1 + 0.5 × normalized PR (0.000)×1.0002
  6. final score weighted × phrase × pagerank0.4710

dropped (not in vocabulary): univ

Per-query-stem · how each term contributes

  1. program wid 0674 · df 5 body tf 8 title tf 0 idf 5.907
  2. comput wid 0683 · df 7 body tf 8 title tf 0 idf 5.421
  3. student wid 0687 · df 10 body tf 6 title tf 0 idf 4.907
  4. univ not in vocabulary — — —
  5. scienc wid 0684 · df 9 body tf 7 title tf 0 idf 5.059

Outlinks (1)