I wrote the CHECKS pattern language as both a reflection on my experience at Wyatt Software and as an experiment in collecting patterns into languages. Ward Cunningham
My experience writing CHECKS informed advice I wrote to potential authors encouraging them to write and submit to the original Pattern Languages of Programming conference, PLoP '94, of which I was program chair.
This transcription, Information Integrity, explores federated wiki's ability to merge related works, just enough, to extend their lifetime and utility.
An older and somewhat faulty transcription to html is available online. webpage 