Hode[1] (the Higher Order Data Editor), which is free, solves some of these problems. (I wrote it. It's still evolving but it works already.) > metadata is hard Hode lets you encode and search any kind of information -- entities, relationships bewteen entities, relationships between relationships, relationships of any arity (number of members). Hash, the language in which one adds and searches for data in Hode, is ve…
A little complicated. Good for engineers though.
Would love to chat about how to build something for consumers. The web is shit and needs stuff like this to pull us out of it..