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...The journal of systems and software www elsevier com locate jss aconceptual basis for feature engineering a b c reid turner alfonso fuggetta luigi lavazza alexander l wolf department computer science university colorado boulder co usa dipartimento di elettronica e informazione politecnico milano piazza leonardo da vinci italy received april in revised form august accepted december abstract gulf between user developer perspectives lead to diculties producing successful users are focused on problem domain where system s features primary concern developers solution life cycle artifacts key presently there is little understanding how narrow this paper argues establishing an organizing viewpoint that we term promotes as rst class objects throughout across domains goal not propose speci new technique or technology rather it aims at laying out some basic concepts terminology can be used foundation developing sound complete framework discusses impact have dierent phases provides ideas these im...