Coverage (information systems) explained

The Coverage of an Information system 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 in the system (mostly implemented as a Database) 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
• Hood . William W. . Wilson . Concepción S. . Informetric studies using databases: Opportunities and challenges . Scientometrics . Springer Science and Business Media LLC . 58 . 3 . 2003 . 0138-9130 . 10.1023/b:scie.0000006882.47115.c6 . 587–608. 12388738 .
• Naumann . Felix . Freytag . Johann-Christoph . Leser . Ulf . Completeness of integrated information sources . Information Systems . Elsevier BV . 29 . 7 . 2004 . 0306-4379 . 10.1016/j.is.2003.12.005 . 583–615.