Seems nepomuk does not need strigi now: http://vhanda.in/blog/2012/11/nepomuk-without-strigi/ http://vhanda.in/blog/2013/01/what-new-with-nepomuk-4-10/ Also nothing in nepomuk now links to strigi libs.
Thanks for reporting. This is fixed in cvs now. Please sync in some hours to get the change. + 10 Jun 2013; Johannes Huber <johu@gentoo.org> nepomuk-4.10.3.ebuild, + nepomuk-4.10.4.ebuild: + Drop dep on app-misc/strigi, is not needed anymore by Nikoli + <nikoli@lavabit.com> wrt bug #472886. +