A method, apparatus, system, and computer program product provide the ability to define an attribute of a design part in a manufacturing or construction project. Apart set of two or more design parts is obtained. Each of the two or more design parts includes metadata. An external corpus is mined to determine a text set of terms relevant to the metadata. The metadata is mined for a pattern based on the text set to discover a metadata property. An attribute is defined based on the metadata property. A graphical user interface is used to search for design parts utilizing a filter based on the metadata property.