The Coverage of an
Information system
An information system (IS) is a formal, sociotechnical, organizational system designed to collect, process, store, and distribute information. From a sociotechnical perspective, information systems are composed by four components: task, people ...
is a criterion for the completeness of the records in the information system.
It is defined as the ratio of the number of
instances/
records
A record, recording or records may refer to:
An item or collection of data Computing
* Record (computer science), a data structure
** Record, or row (database), a set of fields in a database related to one entity
** Boot sector or boot record, r ...
in the system (mostly implemented as a
Database
In computing, a database is an organized collection of data stored and accessed electronically. Small databases can be stored on a file system, while large databases are hosted on computer clusters or cloud storage. The design of databases s ...
) that represent real world
entities and the number of entities that exist (in the real world) and should be represented in the information system according to its
purpose.
Example: If there are 170 countries in the world and an information system holds 153 country records then the coverage of countries of this information system is 90%.
Bibliography
* https://www.phil-fak.uni-duesseldorf.de/fileadmin/Redaktion/Institute/Informationswissenschaft/stock/271.pdf
*
* {{cite journal , last1=Naumann , first1=Felix , last2=Freytag , first2=Johann-Christoph , last3=Leser , first3=Ulf , title=Completeness of integrated information sources , journal=Information Systems , publisher=Elsevier BV , volume=29 , issue=7 , year=2004 , issn=0306-4379 , doi=10.1016/j.is.2003.12.005 , pages=583–615, url=http://edoc.hu-berlin.de/18452/9840
Information systems
Information