Complex sentence: Dr. Abdelsalam (Sumi) Helal is an Egyptian computer scientist who was born in Suez in Egypt and graduated from the Alexandria University in 1982, best known for his work in Pervasive Computing, Mobile computing and Networking and Internet Computing.
Split into simpler sentences: Dr. Abdelsalam (Sumi) Helal is a computer scientist who was born in Suez, Egypt. He graduated from Alexandria University in 1982, best known for his work in Pervasive Computing, Mobile computing and Networking and Internet Computing.