Although all of these types of structured data are acceptable to use, Mueller has gone on record saying Google prefers the use of JSON-LD.

Oracle claims high performance for all of its converged data types, even compared against databases specialized for JSON documents or graphs.

Support for JSON data types and JSONPath query will allow the Aerospike database to function more like the document stores that Web and mobile developers are selecting for new systems of engagement, ...

Here's a trick to have Marten automatically deserialize JSON data only when you want it to.