Complex sentence: The Korea Advanced Institute of Science and Technology is an institution of higher education focused on research in science and technology, and was ranked as the best Asian science and technology school by Asiaweek in 2000.
Split into simpler sentences: The Korea Advanced Institute of Science and Technology is an institution of higher education focused on research in science and technology. It was ranked as the best Asian science and technology school by "Asiaweek" in 2000.