Wildcards in Math Search, Implementation Issues. - Moody Ebrahem Altamimi; Abdou S. Youssef (CAINE, 2007)

An extensive math query language. - Abdou S. Youssef; Moody Ebrahem Altamimi (SEDE, 2007)

A Math Query Language with an Expanded Set of Wildcards. - Moody Ebrahem Altamimi; Abdou S. Youssef (Math. Comput. Sci., 2008)