I have installed Ubuntu 12.04 and I want to install nepomuk-core-dev in order to build plasma media center ( http://sinny.in/node/25 ) but I am getting following error:

vijay13@ubuntu:~/plasma-mediacenter/build$ sudo apt-get install nepomuk-core-devReading package lists... Done

Building dependency tree       

Reading state information... Done

E: Unable to locate package nepomuk-core-dev



and following error while building :

-- Found KDE4Workspace: /usr/lib/cmake/KDE4Workspace/KDE4WorkspaceConfig.cmake 

CMake Error at CMakeLists.txt:7 (find_package):

  Could not find module FindNepomukCore.cmake or a configuration file for

  package NepomukCore.



  Adjust CMAKE_MODULE_PATH to find FindNepomukCore.cmake or set

  NepomukCore_DIR to the directory containing a CMake configuration file for

  NepomukCore.  The file will have one of the following names:



    NepomukCoreConfig.cmake

    nepomukcore-config.cmake



-- Found Soprano: /usr/include  (found version "2.7.5", required is "1.99")

-- Found taglib: -L/usr/lib/x86_64-linux-gnu -ltag

-- Taglib found: -L/usr/lib/x86_64-linux-gnu -ltag

-- Found taglib: -L/usr/lib/x86_64-linux-gnu -ltag

-- Taglib found: -L/usr/lib/x86_64-linux-gnu -ltag

*** QtMultimediaKit (included in Qt-Mobility) is required at runtime to play multimedia.

*** You can download it from http://get.qt.nokia.com/qt/add-ons/qt-mobility-opensource-src-1.2.0.zip .

-- Configuring incomplete, errors occurred!