@nl noob here. I'd like to try building a toy QA systems (but in limited domain. For example, wild life). Can you please provide some open source pointers ? Is OpenEphyra the one I should look into ? Thanks!
[2] is a good architectural overview.
For limited domain knowledge base building, DeepDive[3] is state-of-the-art. They don't have a QA interface though.
[1] https://github.com/TScottJ/OpenEphyra
[2] https://mu.lti.cs.cmu.edu/trac/Ephyra/wiki/Docs/Architecture...