Are there real (non-academic) and publicly available (open source or free) examples of a semantic database, such as Metalog, that are used to solve a computational task that has traditionally been performed with relational databases?
Semantic databases work much better if only part of your data follows a pattern.
If you need additional columns in the semantic database, you simply add them. Even for single lines. It is difficult or inefficient in a relational database.
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