Dwebic: An Intelligent Search Engine based on Default Description Logics. - Patrick Lambrix; Nahid Shahmehri; Niclas Wahllöf (Description Logics, 1997)

A Default Extension to Description Logics for Use in an Intelligent Search Engine. - Patrick Lambrix; Nahid Shahmehri; Niclas Wahllöf (HICSS (5), 1998)