The International Symposium on Wikis, originally founded by DirkRiehle. The ACM accredited academic conference on wikis. The website used to be available on http://www.wikisym.org
There was:
- WikiSymTwoThousandFive in San Diego, California
- WikiSymTwoThousandSix in Odense, Denmark
- WikiSymTwoThousandSeven in Montreal, Canada
- WikiSymTwoThousandEight
- WikiSymTwoThousandNine
- WikiSymTwoThousandTen
- WikiSymTwoThousandEleven
- WikiSymTwoThousandTwelve
- WikiSymTwoThousandThirteen
The 2013 one was the last. It was actually called WikiSym + OpenSym 2013, and all subsequent symposia are called OpenSym. They are still held: https://opensym.org/
See also WikiSymWhosGoing