doi dblp FormSys: form-processing web services Ingo M. Weber | Hye-Young Paik | Boualem Benatallah | Zifei Gong | Liangliang Zheng | Corren Vorwerk Proceedings of the 19th International Conference on World Wide Web, WWW 2010, Raleigh, North Carolina, USA, April 26-30, 2010