My demo about query segmentation which is based on prior paper has been released!
If you are interested in it, You can view it with the site below:
http://cid-806c498ddee76b61.skydrive.live.com/self.aspx/Documents/Query%20Segmentation%20based%20on%20Eigenspace%20Similarity/Query|_Segmentation|_%20Demo|_Release.rar

But maybe it still has a lot of bugs. If you like , tell me. Thx.