Complex sentence: The old barracks within the area of Gülhane is expected to be converted to a cultural center in due course; the center will host a library and exhibition hall together with a workshop on kilim and handicrafts.
Split into simpler sentences: The old barracks within the area of Gülhane is expected to be converted to a cultural center in due course. This center is going to host a library and an exhibition hall, together with a workshop on kilim and handicrafts.