Stefano Ceri Florian Daniel Maristella Matera Extending WebML for modeling multi-channel context-aware Web applications. 225-233 2003 WISE Workshops https://doi.org/10.1109/WISEW.2003.1286806 https://doi.ieeecomputersociety.org/10.1109/WISEW.2003.1286806 conf/wise/2003w db/conf/wise/wise2003w.html#CeriDM03