IQBBA Standard glossary of terms used in Software Engineering 1.0
Entity-relationship diagram: see Entity-relationship model. ERD: seeEntity-relationship diagram. Entity-relationship model: An abstract and conceptual representation of data. Entity-relationship model consists of a set of entities, characterized by attributes and linked by relationships. ERM: see Entity-relationship model. Error: A human action that produces an incorrect result After IEEE 610]. Estimate: A numeric judgment about a future, present or past level of a scalar system attribute. This includes all performance and cost attributes. Estimates are usually made where direct measurement is impossible (future, or impractical (pastor uneconomic (current levels) [TGilb].
