%0 Conference Paper %1 ls_leimeister %A Hoffmann, A. %A Peters, C. %A Leimeister, J. M. %B Requirements Engineering for Systems, Services, and Systems of Systems (RESS) 2011 %C Trento, Italy %D 2011 %K itegpub pub_aho pub_cpe pub_jml %T Improving Corporate Portal Design by using Service-Oriented Requirements Engineering and Service Bundling %U http://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_282.pdf