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I am looking for a very basic graph database engine. I only know of Neo4j so far.
For my application, nodes are only represented by their string names. They have no further attributes. Connections have start and end nodes and weights. They have no names associated with them.
The scientific name for the type of graph I want to store is directed single-relation graph.
Is there a graph database engine that provide high performance in my case? A REST or .NET interface would be great.
I gave Neo4j a try, but it was too slow for importing my 30GB of data, even using the batch importer.
Because I don’t need to access the data partly, I decided to use simple XML files for storage and implement all computations manually and in memory.