Complex sentence: The King Library is the main library for both San José State University and the San José Public Library system; on its tenth anniversary in 2013 it was still the largest joint university-municipal library in the United States.
Split into simpler sentences: The King Library is a collaboration between the City of San José and San José State University: it is the main library for both San José State University and the San José Public Library system. On its tenth anniversary in 2013 it was still the largest joint university-municipal library in the United States.