Metrics Glossary

Software Metrics Glossary - I


IBM CIS & A Guideline 313 See Albrecht 1984. ( Reference : IFPUG CPM 4.1)
ICAM Integrated Computer-Aided Manufacturing (Reference ITIL® Sept 2002)
ICT Information and Communications Technology (Reference ITIL® Sept 2002)
IDEF ICAM Definition (Reference ITIL® Sept 2002)
IFPUG The International Function Point Users Group is a membership governed, non-profit organization committed to promoting and supporting function point analysis and other software measurement techniques. ( Reference : IFPUG CPM 4.1)
IFPUG Certified Function Point Specialist (CFPS) A person who has passed the IFPUG Certification exam for IFPUG Release 4.0 and is accredited by them to be proficient in Function Point Analysis. ( Reference : Total Metrics)
ILF See Internal Logical File ( Reference : Total Metrics)
Illustrative An illustrative product is a non functional product. ( Reference : SC7:14759)
Impact Measure of the business criticality of an Incident. Often equal to the extent to which an Incident leads to distortion of agreed or expected service levels. ITIL Sept 2002
Implement Implementation / Installation / User Training ( Reference : ISBSG-Release 6 1999)
Implementation (1) The process of translating a design into hardware components, software components, or both. The result of the process in (1). [IEEE STD 610.12-1990] ( Reference : SEI:SE-CMM)
Implementation (of a system) The system development phase at the end of which the hard-were, software and procedures of the system considered become operational. ( Reference : ISO/IEC JTC1/SC1:2382-20)
implied needs needs that may not have been stated but are actual needs when the entity is used in particular conditions ( Reference : ISO/IEC JTC1/SC7:14598-1)
Import process The process of incorporating the content of a transfer file into a target environment. ( Reference : ISO/IEC JTC1/SC7; CDIF:15475-1)
Incident any unplanned event resulting in, or having a potential for, adverse consequences ( Reference : WG on Risk Terminology:ISO TMB)
Incident Any event that is not part of the standard operation of a service and that causes, or may cause, an interruption to, or a reduction in, the quality of that service. ITIL Sept 2002
Indicator a measure that can be used to estimate or predict another measure ( Reference : ISO/IEC JTC1/SC7:14598-1)
indirect measure a measure of an attribute that is derived from measures of one or more other attributes ( Reference : ISO/IEC JTC1/SC7:14598-1)
Indirect measurement method Measurement method designed from other measurement methods. ( Reference : ISO/IEC JTC1/SC7:14143-3)
Information analysis A systematic investigation of information and its flow in a real or planned system ( Reference : ISO/IEC JTC1/SC1:2382-20)
Information Content The Information Content is the set of meta-model and model instances found in a CDIF Transfer. ( Reference : ISO/IEC JTC1/SC7; CDIF:15474-1)
Information Distribution Making needed information available to project stakeholders in a timely manner. ( Reference : PMI:PMBOK)
information item (sub-item) A defined group of elements of information. A sub-item is a part of an information item. ( Reference : ISO/IEC JTC1/SC7:6592)
infrastructure basic architecture of, and interrelationships within, an organization (4.2.1) ( Reference : TC176:ISO 9000:2000)
initial level (See maturity level.) ( Reference : SEI:SA-CMM)
initiating event An event that can lead to a threat. ( Reference : ISO/IEC JTC1/SC7; IEC TC56:15026)
Initiation Committing the organization to begin a project phase. ( Reference : PMI:PMBOK)
Input data for which the value is independent of the software and which are used by the software at some point during its operation Reference :COSMIC-FFP MM Version 2.1
inspection activities such as measuring, examining, testing, gauging one or more characteristics of a product or service and comparing these with specified requirements to determine conformity ( Reference : TC176:8402)
inspection conformity (4.5.1) evaluation by observation and judgement accompanied as appropriate by measurement, testing or gauging [ISO/IEC Guide 2] NOTE - This concept has wide application to the field of quality management (4.1.15) ( Reference : TC176:ISO 9000:2000)
inspection A method used to verify requirements. It involves the visual examination of documentation or a physical product (e.g., software code, hardware equipment) against predefined criteria or characteristics. An internal process of examining and evaluating the technical content of a work product against a set of predefined criteria. [IBM Fed Systems Co] ( Reference : SEI:SE-CMM)
Installation ease GSC One of the 14 general system characteristics describing the degree to which conversion from previous environments influenced the development of the application. ( Reference : IFPUG CPM 4.1)
Installed function point count See Application function point count. ( Reference : IFPUG CPM 4.1)
Instance An individual occurrence of a type (e.g., the diagram MyDiagram is an instance of the Diagram type). Usually, an instance is an object that occurs one meta-level beneath its (type's) definition. This is not always true, however (e.g., within the CDIF presentation subject areas where icon type definitions and their instances are both contained within the same meta-level). ( Reference : ISO/IEC JTC1/SC7; CDIF:15474-1)
institutionalization The building of infrastructure and corporate culture that support methods, practices, and procedures so that they are the ongoing way of doing business, even after those who originally defined them are gone. [CMM for Software] ( Reference : SEI:SE-CMM)
instrument A subjective metric. This is usually a questionnaire or part thereof. ( Reference : SC7:15939)
instrumentation The application of instruments (or metrics) for observation, measurement, or control. ( Reference : SEI:SA-CMM)
integrated management The unification and integration of the engineering and management activities into a coherent defined process based on the organization's standard process and related process assets. [Jones - IBM]. ( Reference : SEI:SE-CMM)
integrated product development A systematic approach to the integrated, concurrent design of products and their related processes, including manufacture and support. This approach is intended to cause developers, from the outset, to consider all elements of the product life cycle from conception through disposal (including quality, cost, schedule, and user requirements). [IDA] ( Reference : SEI:SE-CMM)
integrated software management The unification and integration of the software engineering and management activities into a coherent defined software process based on the organization's standard software process and related process assets. ( Reference : SEI:SW-CMM)
integrated system The product that the engineering staff builds to satisfy the product requirements. ( Reference : SEI:SE-CMM)
integration The process of combining software components, hardware components, or both into an overall system. (IEEE Std 610.12) ( Reference : IEEE SESC:729)
integration The merger or combining of one or more components, parts, or configuration items into a higher level system for ensuring that the logical and physical interfaces can be satisfied, and the integrated system satisfies its intended purpose. [IEEE P1220] ( Reference : SEI:SE-CMM)
integration plan A plan describing the schedule, resources and approach to integrating the system elements. [Kuhn TI] ( Reference : SEI:SE-CMM)
integration report Report describing the compliance of integration efforts with integration plans, the observed successes of integration efforts, and the observed failures of integration efforts. [SE-CMM] ( Reference : SEI:SE-CMM)
Integration test The progressive linking and testing of programs or modules in order to ensure their proper functioning in the complete system. ( Reference : ISO/IEC JTC1/SC1:2382-20)
integrator An organisation that integrates multiple systems, software product(s), and/or software services to provide a new system, software product, or service. ( Reference : SC7:15939)
integrity (of data) completeness and reliability of data stored in or processed by the software ( Reference : ISO/IEC JTC1/SC7:14143-5)
integrity assurance authority The independent person or organization responsible for assessment of compliance with the integrity requirements. ( Reference : ISO/IEC JTC1/SC7; IEC TC56:15026)
integrity level A denotation of a range of values of a property of an item necessary to maintain system risks within tolerable limits. For items that perform mitigating functions, the property is the reliability with which the item must perform the mitigating function. For items whose failure can lead to a threat, the property is the limit on the frequency of that failure. ( Reference : ISO/IEC JTC1/SC7; IEC TC56:15026)
interested party person with an interest, or group having a shared interest in the success of an organization (4.2.1) EXAMPLE - Customers (4.2.4), owners, employees, suppliers (4.2.3) and society. NOTE - A group may be an organization (4.2.1) or group of organizations. ( Reference : TC176:ISO 9000:2000)
interface Physical or functional interaction at the boundary between Configuration Items. ITIL Sept 2002
interface control document A specification, derived from the physical interface requirements, that details the physical interface between two system elements, including the number and types of wires, connectors and pins, electrical parameters, mechanical properties, and environmental constraints. [Kuhn - TI] ( Reference : SEI:SE-CMM)
interface partner Individual or organization with whom arrangements for support of the software product are necessary in the Operation, Maintenance and Development Processes. ( Reference : SC7/WG8:15846)
interface requirement The functional, performance, electrical, environmental, human, and physical requirements and constraints that exist at a common boundary between two or more functions, system elements, configuration items, or systems. [MIL-STD 499B] ( Reference : SEI:SE-CMM)
interface specification A specification, derived from the interface requirements, that details the mechanical properties and/or logical connection between system elements, including the exact format and structure of the data and/or electrical signal communicated across the interface. [Kuhn - TI] ( Reference : SEI:SE-CMM)
interfacing groups Separate groups that must communicate in order to accomplish a unified set of goals or objectives. ( Reference : SEI:SE-CMM)
intermediate software product a product of the software development process that is used as input to another stage of the software development process ( Reference : ISO/IEC JTC1/SC7:14598-1)
Internal attribute A measurable property of an entity which can be derived purely in terms of the entity itself. ( Reference : ISO/IEC JTC1/SC7:14598-3)
Internal logical file (ILF) An internal logical file (ILF) is a user identifiable group of logically related data or control information maintained within the boundary of the application. The primary intent of an ILF is to hold data maintained through one or more elementary processes of the application being counted. See also External interface file. ( Reference : IFPUG CPM 4.1)
internal measure a measure of the product itself, either direct or indirect ( Reference : ISO/IEC JTC1/SC7:14598-1)
internal quality the totality of attributes of a product that determine its ability to satisfy stated and implied needs when used under specified conditions ( Reference : ISO/IEC JTC1/SC7:14598-1)
International Function Point Users Group A US based organisation with international affiliates that develops standard guidelines for the use of the Function Point Analysis technique. ( Reference : Total Metrics)
International Software Benchmarking Standards Group A standards group made up of peak industry software measurement associations from Europe, North America and Asia-Pacific. The primary goal of the group is to provide a facility whereby software development teams may benchmark themselves against others with industry. ( Reference : Total Metrics)
interoperability The ability of two or more systems or components to exchange information in a heterogeneous network and use that information. ( Reference : IEEE SESC:729)
Invitation for Bid (IFB) Generally, this term is equivalent to request for proposal. However, in some application areas it may have a narrower or more specific meaning. ( Reference : PMI:PMBOK)
IP Internet Protocol (Reference ITIL® Sept 2002)
IR Incident Report (Reference ITIL® Sept 2002)
ISBSG See International Software Benchmarking Standards Group. ( Reference : Total Metrics)
ISBSG Data Repository A database of international metrics results which record data on software development projects. The results recorded in this repository are released to industry on an annual basis. Eg. Release 5.0, April 1998, new releases are every 9 months. ( Reference : Total Metrics)
ISO International Standards Organisation (Reference ITIL® Sept 2002)
IT Information Technology (Reference ITIL® Sept 2002)
item An entity such as a part, component, subsystem, equipment or system that can be individually considered. An item may consist of hardware, software or both. ( Reference : ISO/IEC JTC1/SC7; IEC TC56:15026)
item A nonspecific term used to denote any product, including systems, subsystems, assemblies. subassemblies, units, sets, parts, accessories, computer programs. or computer software. In this standard, it also denotes any process that includes a series of actions, changes, or functions to achieve an end or result. [MIL-STD 499B] ( Reference : SEI:SE-CMM)
item of documentation information designed for a specific audience for a specific purpose, and using a specific medium (e.g. book, disk, quick-reference card, video) of a particular format ( Reference : ISO/IEC JTC1/SC7:15910)
IVR Interactive Voice Response (Reference ITIL® Sept 2002)