Harry Collier over at Infonortics emailed me yesterday this Call for Papers:
The Call for Papers for next year’s (April 2008) Search Engine Meeting in Boston has now been released. Offers of presentations are being invited for consideration. Absolute deadline for submission of offers is October 18, 2007 but the organizers stress that, with presentations limited to only 20 over the two days of the meeting, it is advisable to make contact as early as possible.
The detailed Call is available by following the Search Engine Meeting link at www.infonortics.com
Check the list of topics.