Software Metrics Glossary - E

	Early Life Cycle
	Up to the completion of the system requirements definition....
	Source: ( ISBSG-Release 6 1999 )
	Earned Value (EV)
	(1) A method for measuring project performance. It compares the amount of work that was planned with what was actually a...
	Source: ( PMI:PMBOK )
	Effective Process
	A process that can be characterized as practiced, documented, enforced, trained, measured, and able to improve. (See als...
	Source: ( SEI:SW-CMM )
	Effectiveness Analysis
	An analytical approach used to determine how well a system performs in its intended utilization environment. [MIL-STD 49...
	Source: ( SEI:SE-CMM )
	Efficiency
	The degree to which a system or component performs its designated functions with minimum consumption of resources. [IEEE...
	Source: ( SEI:SE-CMM )
	Effort
	The number of labor units required to complete an activity or other project element. Usually expressed as staffhours, st...
	Source: ( PMI:PMBOK )
	Elementary Process
	An elementary process is the smallest unit of activity that is meaningful to the user(s)....
	Source: ( IFPUG CPM 4.1 )
	End User
	The individual or group who will use the system for its intended operational use when it is deployed in its environment....
	Source: ( SEI:SW-CMM )
	End-user efficiency GSC
	One of the 14 general system characteristics describing the degree of consideration for human factors and ease of use fo...
	Source: ( IFPUG CPM 4.1 )
	Engineering Change
	In configuration management, an alteration in the configuration of a configuration item or other designated item after f...
	Source: ( SEI:SE-CMM )
	Engineering Group
	A collection of individuals (both managers and technical staff) representing an engineering discipline. Examples of engi...
	Source: ( SEI:SW-CMM )
	Engineering Requirements
	A translation of the set of essential customer needs into engineering language, specific to the domain expertise of the ...
	Source: ( SEI:SE-CMM )
	Enhancement
	The modification of an existing application....
	Source: ( IFPUG CPM 4.1 )
	Enhancement Project
	Changes made to an existing application where new functionality has been added, or existing functionality has been chang...
	Source: ( ISBSG-Release 6 1999 )
	Enhancement Project
	Set of activities which 'add', ‘change’ or ‘delete’ functions within one or more existing applications, they are usually...
	Source: ( Total Metrics - Function Point Consultants )
	Enhancement project function point count (EFP).
	A count that measures the modifications to the existing application that add, change, or delete user functions delivered...
	Source: ( IFPUG CPM 4.1 )
	Enterprise
	A unit within a company or spanning several companies within which many projects are managed as a whole. All projects wi...
	Source: ( SEI:SE-CMM )
	Entity (or entity type)
	A fundamental thing of relevance to the user, about which a collection of facts is kept. An association between entities...
	Source: ( IFPUG CPM 4.1 )
	Entity Subtype
	A subdivision of an entity type. A subtype inherits all the attributes and relationships of its parent entity type, and ...
	Source: ( IFPUG CPM 4.1 )
	Entry (-type)
	A movement of the data attributes found in one data group from the user’s side of the software boundary to the inside of...
	Source: ( COSMIC-FFP MM Version 2.1 )
	Environment
	The circumstances or conditions that will surround the system when it is in use. Examples include the natural environmen...
	Source: ( SEI:SE-CMM )
	Estimate
	An assessment of the likely quantitative result. Usually applied to project costs and durations and should always includ...
	Source: ( PMI:PMBOK )
	Evaluation
	The use of reviews, inspections, and/or tests, to determine that a software product or service satisfies specified requi...
	Source: ( SEI:SA-CMM )
	Event (-type)
	see "Triggering event"...
	Source: ( COSMIC-FFP MM Version 2.1 )
	Exit (-type)
	A movement of the data attributes found in one data group from inside the software boundary to the user side of the soft...
	Source: ( COSMIC-FFP MM Version 2.1 )
	External input (EI)
	An external input (EI) is an elementary process that processes data or control information that comes from outside the a...
	Source: ( IFPUG CPM 4.1 )
	External inquiry (EQ)
	An external inquiry (EQ) is an elementary process that sends data or control information outside the application boundar...
	Source: ( IFPUG CPM 4.1 )
	External interface file (EIF)
	An external interface file (EIF) is a user identifiable group of logically related data or control information reference...
	Source: ( IFPUG CPM 4.1 )
	External output (EO)
	An external output (EO) is an elementary process that sends data or control information outside the application’s bounda...
	Source: ( IFPUG CPM 4.1 )
	External System (interfaces)
	The system or product interfaces to other systems, communication networks, power supplies, resource connectors, etc., th...
	Source: ( SEI:SE-CMM )