Software Description
- HADatAc infrastructure code is available in GitHub
Software Description
HADatAc's software is a web application with an underlying content repository infrastructure. The web application is used to manage data security and privacy, to delete and archive existing repository content, to upload new content into the repository, and to provide multiple ways of searching for data and metadata with the use of a collection of faceted searches and data download options. HADatAc content repository infrastructure is organized as follows:
HADatAc content repository infrastructure is organized as follows:
Data are stored in Apache SOLR instances, which are highly-scalable no-SQL solutions for managing unstructured, semi-structured and structured data
Metadata are stored in Blazegraph, which is an RDF triple store. HADatAc may also be based on any other SPARQL-based knowledge graph repository since RESTful SPARQL queries are the way for the web application to communicate with the underlying RDF repository.
Metadata stored in HADatAc is composed of concepts and instances, also known as objects. Concepts come from ontologies published on the web and objects, which are concept instances, come from Semantic Study Designs and Semantic Data Dictionaries.
After respecting security and privacy policies in place, HADatAc allows advanced users to access data in SOLR with the use of Lucene queries, and to access metadata in Blazegraph with the use of SPARQL queries.
License
Copyright 2015-2018 HADatAc.org
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.