Epic: Add weights and/or features to triples

[cthoyt]

There are many scenarios in which triples themselves have weights, such as chemical-protein interactions, which have an activity value associated with them.

This has been requested in several places, so this issue can serve as a hub for connecting discussions

See Also

• https://github.com/pykeen/pykeen/pull/1142
• https://github.com/pykeen/pykeen/discussions/973
• #1529
• https://github.com/pykeen/pykeen/pull/1532
• https://github.com/pykeen/pykeen/issues/1533
  • https://github.com/pykeen/pykeen/pull/1534

[chartsNgraphs]

@cthoyt I'll second this! Is the edge weight feature still potentially scheduled?