Links

A collection of useful links that are somehow relevant to the Acoustid index project.

Audio search engines

• jHears
• AudioScout
• OpenFP
• Echoprint

Text search engines

• Lucene
• CLucene

Integer array compression

• Inverted List Compression Techniques -- Slides with an overview of compression algorithms
• Super-Scalar RAM-CPU Cache Compression -- PFOR
• Performance of Compressed Inverted List Caching in Search Engines
• Adaptive Frame of Reference for Compressing Inverted Lists

Concepts

• Inverted index
• Bloom filter