Wasabi is an effort to create a unified searching and metadata storage specification for the free desktop. This document contains draft specs meant for further discussion.
S. Doerfel, R. Jäschke, A. Hotho, и G. Stumme. Proceedings of the 4th ACM RecSys workshop on Recommender systems and the social web, стр. 9--16. New York, NY, USA, ACM, (2012)