Free and Open Source, Distributed, RESTful Search Engine

An open source clone of Amazon's Dynamo.

A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

LZ4 compression for Java

A JVM-based Erlang VM

Benchmark suite for data compression library on the JVM

Randomized Testing (Core JUnit Runner, ANT, Maven)

command line tool for Apache Lucene

a column file format

Lucene fields and queries for interval fields.

This is a TREC evaluation demonstration written for a lecture on information retrieval evaluation.

Flax-maintained fork of Lucene/Solr with support for interval queries

Comparison of trie implementations

Open Source, Distributed, RESTful Search Engine with grouping

A simple JMH benchmark for various versions of t-digest

Parallel execution of tasks for Ant