- Health search engine with e-document analysis for reliable search results. Gaudinat, A., Ruch, P., Joubert, M., Uziel, P., Strauss, A., Thonnet, M., Baud, R., Spahni, S., Weber, P., Bonal, J., Boyer, C., Fieschi, M., Geissbuhler, A. International journal of medical informatics. (2006)