1. A method of discovering work-item relations, comprising: analyzing a description of a collection of work-items created in one or more projects, to generate a plurality of work-item elements and their relationships; analyzing one or more standardized specifications describing practices to follow in executing said one or more projects, to generate a plurality of standardized specification elements and their relationships; mapping, by a processor, said plurality of work-item elements to said plurality of standardized specification elements; and discovering, by the processor, one or more missing relations or work-item elements, or combinations thereof, among said plurality of work-item elements based on said mapping.