1. AllegroGraph :
The AllegroGraph is a high performance, persistent RDF store with additional support for Graph DBMS. It operates as a Document Store designed for storing, retrieving and managing document-oriented information, in JSON-LD format. The first version of AllegroGraph was released in 2004.
2. Amazon SimpleDB :
It is a hosted simple database service by Amazon, with the data stored in the Amazon Cloud. It is Amazon is a web service for running queries on structured data in real-time. This database is written in Erlang by Amazon.com. It has the following features – high availability and flexibility, with little or no administrative burden.
Difference between AllegroGraph and Amazon SimpleDB :
|1.||Developed By Franz Inc. in 2004.||Developed By Amazon in 2007.|
|2.||It is a high performance, persistent RDF store with additional support for Graph DBMS.||It is a hosted simple database service by Amazon, with the data stored in the Amazon Cloud.|
|3.||It supports the ACID property.||It does not support the ACID property.|
|4.||Server operating systems for AllegroGraph are Linux, OS X and Windows.||In Amazon SimpleDB, Hosted server operating systems.|
|5.||Its primary database models are Document store, Graph DBMS and RDF store.||Its primary database model is the Key-value store.|
|7.||Partitioning can be done with the Federation.||It does not support partitioning methods.|
|8.||It uses SPARQL as a query language.||It does not support the SQL query language.|
|9.||It supports two replication methods – Master-slave replication and Multi-master replication.||It supports replication methods.|
|10.||It is not available as a cloud service.||It is available as a cloud service.|
|11.||The programming languages supported are C#, Clojure, Java, Lisp, Perl, Python, Ruby, and Scala.||Programming languages supported are .Net, C, C++, Erlang, Java, PHP, Python, Ruby, and Scala.|
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