This book constitutes the refereed proceedings of the 4th International Conference on Electronic Government and the Information Systems Perspective, EGOVIS 2015, held in Valencia, Spain, in September 2015, in conjunction with DEXA 2015. The 26 revised full papers presented together with one invited talk were carefully reviewed and selected from 30 submissions. The papers are organized in the following topical sections: semantic technologies in e-government; identity management in e-government; e-government cases; open innovation and G-cloud; intelligent systems in e-government; open government; e-government solutions and approaches.