Complex sentence: In addition, he was made a fellow of the Institute of Electrical and Electronics Engineers in 1998; the IEEE has published (as of 2000) 20 articles written or co-written by him, dating back to 1990.
Split into simpler sentences: In addition, he was made a fellow of the Institute of Electrical and Electronics Engineers in 1998. As of 2000, the IEEE has published 20 articles written or co-written by him, dating back to 1990.