An Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path Language (XPath) Selectors. - Jari Urpalainen (RFC, 2008)

Presence Information Data Format (PIDF) Extension for Partial Presence. - Mikko Lonnfors; Eva Leppanen; Hisham Khartabil; Jari Urpalainen (RFC, 2008)

An Extensible Markup Language (XML) Document Format for Indicating a Change in XML Configuration Access Protocol (XCAP) Resources. - Jonathan D. Rosenberg; Jari Urpalainen (RFC, 2010)

An Extensible Markup Language (XML) Configuration Access Protocol (XCAP) Diff Event Package. - Jari Urpalainen; Dean Willis (RFC, 2010)

Conference Information Data Model for Centralized Conferencing (XCON). - Oscar Novo; Gonzalo Camarillo; David P. Morgan; Jari Urpalainen (RFC, 2012)

Conference Event Package Data Format Extension for Centralized Conferencing (XCON). - Gonzalo Camarillo; Srivatsa Srinivasan; Roni Even; Jari Urpalainen (RFC, 2012)