From the announcement:
The World Wide Web Consortium (W3C) and the OpenAjax Alliance are co-sponsoring a Workshop on Mobile Ajax, to take place on 28 September 2007 (the Friday following the AjaxWorld West 2007 conference in Santa Clara) at the Microsoft campus in Mountain View (following an OpenAjax Alliance face-to-face meeting to take place at the same location on September 27).
15 August 2007 — Submission deadline for positions papers
05 September 2007 — Final Workshop program available
18 September 2007 — Registration deadline
28 September 2007 — Workshop takes place