Abstract
Software requirements are broadly classified into two parts, i.e., functional requirements (FR) and non-functional requirements (NFRs). In recent year, NFRs have received much attention by requirements engineering community. This can be verified from the importance of the NFR framework. This framework was developed to elicit and model only the NFRs. There are different NFRs for different types of system like information system, web based system, real time system etc. Elicitation of NFRs for these types of systems is an important research issue. Therefore, the objective of this paper is to classify various NFRs for Information System so that requirements analyst can easily identify the complete list of NFRs according to their need in early phase of requirements engineering.
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