Pest Control Expert System for Tomato (PCEST). - El-Sayed El-Azhary; Hesham A. Hassan; Ahmed A. Rafea (Knowl. Inf. Syst., 2000)

Diagnostic expert system using non-monotonic reasoning. - El-Sayed El-Azhary; Amera Edrees; Ahmed A. Rafea (Expert Syst. Appl., 2002)

Establishing Global Ontology by Matching and Merging. - Susan F. Ellakwa; Passent Mohammed El-Kafrawy; Mohamed Amin; El-Sayed El-Azhary (SPIT/IPC, 2011)