Jacob Kaplan-Moss

Xapian: Theoretical Background

Some good notes on how relevancy algorithms actually work. Must read through this in more detail.

(algorithms, indexing, readloater, relevency, search, text, via:jkocherhans)

CPS Project: NXLucene

Another Lucene-based web service tool (this one based on Plone)

(code, indexing, java, lucene, pycon2007, python, search)

Merquery, Text Indexing and Search with a Focus - brian's blog

(django, indexing, search, webdev)