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triple store: All content tagged as triple store in NoSQL databases and polyglot persistence

NoSQL Databases Best Practices and Emerging Trends

Jans Aasman (CEO AllegroGraph) interviewed by Srini Penchikala:

InfoQ: What best practices and architecture patterns should the developers and architects consider when using a solution like this one in their software applications?

Jans: If your application requires simple straight joins and your schema hardly changes then any RDBM will do.

If your application is mostly document based, where a document can be looked at as a pre-joined nested tree (think a Facebook page, think a nested JSON object) and where you don’t want to be limited by an RDB schema then key-value stores and document stores like MongoDB are a good alternative.

If you want what is described in the previous paragraph but you have to perform complex joins or apply graph algorithms then the MongoGraph approach might be a viable solution.

Thinking about the products and projects I’ve been working on, most of them have had to deal with all these aspects in different areas of the applications and with different importance to the final solution. Mistakenly though, in most of the cases they ended up using a relational database only. With polyglot persistence here, this shouldn’t happen anymore. That’s not to say though that every project must use all of these technologies just because they are available. But it could use any of them or all combined.

InfoQ: What are the emerging trends in combining the NoSQL data stores?

Jans: From the perspective of a Semantic Web - Graph database vendor what we see is that nearly all graph databases now perform their text indexing with Lucene based indexing (Solr or Elastic Search) and I wouldn’t be surprised that most vendors soon will allow JSON objects as first class objects for graph databases. It was surprisingly straightforward to mix the JSON and triple/graph paradigm. We are also experimenting with key-value stores to see how that mixes with the triple/graph paradigm.

This topic was also discussed during my NoSQL Applications panel, but due to a panel time constraints we couldn’t reach a conclusion. But it’s definitely an interesting perspective.

Original title and link: NoSQL Databases Best Practices and Emerging Trends (NoSQL database©myNoSQL)