An Integrated Interpreter for Explaining Prolog's Successes and Failures. - L. Ümit Yalçinalp; Leon Sterling (META, 1988)

Explaining Prolog Based Expert Systems Using a Layered Meta-Interpreter. - Leon Sterling; L. Ümit Yalçinalp (IJCAI, 1989)

Building embedded languages and expert system shells in Prolog. - L. Ümit Yalçinalp; Leon Sterling (TAI, 1990)

Quintus WorkPro Programming Enviroment: A Glue for Building Business Applications. - Don Ferguson; Georges Saab; L. Ümit Yalçinalp (LPE, 1993)

Ushell: An Environment for Introduction to Logic Programming. - L. Ümit Yalçinalp (SAC, 1993)

Logic Programming and Software engineering - implications for Software design. - Leon Sterling; L. Ümit Yalçinalp (Knowl. Eng. Rev., 1996)

Web Service Contract Design and Versioning for SOA. - Thomas Erl; Anish Karmarkar; Priscilla Walmsley; Hugo Haas; L. Ümit Yalçinalp; Kevin Liu; David Umit Orchard; André Tost; James Pasley (Pearson Education, 2008)