@article{MCZW:xmiddle, author = {C. Mascolo and L. Capra and S. Zachariadis and W. Emmerich}, title = {{XMIDDLE: A Data-Sharing Middleware for Mobile Computing}}, journal = {Int. Journal on Personal and Wireless Communications}, publisher={Kluwer Academic Publisher}, year={2002}, volume={21}, number={1}, pages = {77-103}, month={April} }