Neo4j is an open-source graph database supported by Neo Technology. Neo4j stores data in nodes connected by directed, typed relationships with properties on both, also known as a Property Graph. Neo4j is designed from the ground up to support blazing-fast connected queries; thousands of times faster than SQL. Main features intuitive, using a graph model for data representation reliable, with full ACID transactions durable and fast, using a custom disk-based, native storage engine massively scalable, up to several billion nodes/relationships/properties highly-available, when distributed across multiple machines expressive, with a powerful, human readable graph query language fast, with a powerful traversal framework for high-speed graph queries embeddable, with a few small jars simple, accessible by a convenient REST interface or an object-oriented Java API [button href=”http://neo4j.
Linux From Scratch (LFS) is a project that provides you with step-by-step instructions for building your own custom Linux system, entirely from source code. Currently, the Linux From Scratch organization consists of the following sub-projects: LFS :: Linux From Scratch is the main book, the base from which all other projects are derived. BLFS :: Beyond Linux From Scratch helps you extend your finished LFS installation into a more customized and usable system.