Case analysis is provided in which costs are associated with case information such as service request data. A description of defect classifications may be defined using keywords and attributes. A database query is generated based on the description of defect classifications to classify case information by problem type to a domain and a component. The description of defect classifications may be applied to a result of the database query to perform problem classification analysis. A cost analysis may be performed by problem group based at least on the case information associated with cost information and the result of the database SQL query.