From c91c3afd8700138f8eb8a25a4ae422c2c9e46cea Mon Sep 17 00:00:00 2001 From: alex Date: Tue, 28 Jul 2026 17:37:06 +0200 Subject: refactored entire code base to be in the package core so i can later implement interfaces to interact with the engine --- core/scoring/field.go | 10 ++++++++++ core/scoring/idf.go | 17 +++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 core/scoring/field.go create mode 100644 core/scoring/idf.go (limited to 'core/scoring') diff --git a/core/scoring/field.go b/core/scoring/field.go new file mode 100644 index 0000000..89f6132 --- /dev/null +++ b/core/scoring/field.go @@ -0,0 +1,10 @@ +package scoring + +import "searchEngine/core/index" + +var TitleWeight = 5.0 +var BodyWeight = 1.0 + +func FieldScore(p index.Posting) float64 { + return (float64(p.TitleCount) * TitleWeight) + (float64(p.BodyCount) * BodyWeight) +} diff --git a/core/scoring/idf.go b/core/scoring/idf.go new file mode 100644 index 0000000..f5aaecd --- /dev/null +++ b/core/scoring/idf.go @@ -0,0 +1,17 @@ +package scoring + +import ( + "math" + "searchEngine/core/index" +) + +func CalculateIDF(totalDocs int, docFrequency int) float64 { + if docFrequency == 0 { + return 0.0 + } + return math.Log10(float64(totalDocs) / float64(docFrequency)) +} + +func ScoreTFIDF(p index.Posting, idf float64) float64 { + return FieldScore(p) * idf +} -- cgit v1.2.3