Roaring bitmaps are compressed bitmaps (also called bitsets) which tend to outperform conventional compressed bitmaps such as WAH or Concise.

Spark SQL is Apache Spark's module for working with structured data based on DataFrames.

Core libraries for Apache Spark, a unified analytics engine for large-scale data processing.

Flink : Core

Hive Query Language

Core Hazelcast Module

The all in one project of dubbo

Jena is a Java framework for building Semantic Web applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine.

JDBC driver for ClickHouse

A table format for huge analytic datasets

Utilities Ex