Difference between AllegroGraph and Amazon SimpleDB

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 :

S.NO.	AllegroGraph	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.
6.	It supports the Server-side scripting with JavaScript or Common Lisp.	It does not support the Server-side scripting.
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.