This chapter briefly explains the purpose and the scope of this document, its place in the GraphDB user documentation set, and provides some suggestions for efficient use. It starts with an introduction on the differences between the two editions of GraphDB, which facilitates the understanding of the GraphDB product family, the design objectives behind each of the versions and the rationale behind the structuring of the documentation.
GraphDB comes in four editions: GraphDB-Lite, GraphDB-SE (standard edition), GraphDB-Enterprise and GraphDB Cloud via the AWS Marketplace.
GraphDB-Lite is designed for medium data volumes (below 100 million statements) and for prototyping. Its key characteristics are as follows:
GraphDB-SE is suitable for handling massive volumes of data and very intensive querying activities. It is designed as an enterprise-grade database management system. This has been made possible through:
GraphDB-Enterprise is a component that can manage and synchronise multiple GraphDB instances in a resilient and scalable cluster configuration.
GraphDB on the Cloud
GraphDB (Standard Edition) can also be purchased as an AMI running on EC2 instances with 4-core / 32 GB RAM or or 8-core / 64 GB RAM from the AWS Market. Or you can use the self-managed version of GraphDB that provides all the power of a scalable triple store as a pay-by-the-hour service through Amazon Web Services. GraphDB on the Cloud is perfect for running limited-time projects or low-volume experiments in a production-quality setting without an investment in hardware.
Purpose, Intended Readership and Overview of this Document
This document is designed for software engineers, system integrators and system administrators who wish to integrate the GraphDB-SE semantic repository in to their applications or who wish to use GraphDB-SE and Sesame as a stand-alone server for storing and processing structured data. It is also useful for system administrators who need to support and maintain a GraphDB-SE repository.
How to Use This Document
Readers new to GraphDB should read the GraphDB Primer first and then this document in its entirety. This will guarantee that the necessary basic information has been covered in sufficient depth. After some experience using GraphDB, this guide can be used as a reference for carrying out specific tasks.
Copyrights and Licensing
This document and the products discussed in it are copyrighted and subject to licensing as follows:
Full licensing information is available at http://www.ontotext.com/products/ontotext-graphdb/, as well as in the license files located in the main folder of the distribution package.
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