Descriptor
| Computer System Design | 1 |
| Database Design | 1 |
| Information Retrieval | 1 |
| Information Sources | 1 |
| Models | 1 |
| Online Searching | 1 |
Source
| Journal of the American… | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Evaluative | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedVan Gyseghem, Nancy; De Caluwe, Rita – Journal of the American Society for Information Science, 1998
Discusses how imprecision and uncertainty are dealt with in the UFO (Uncertainty and Fuzziness in an Object-oriented) database model. Such information is expressed by means of possibility distributions, and modeled by means of the proposed concept of "role objects." The role objects model uncertain, tentative information about objects,…
Descriptors: Computer System Design, Database Design, Information Retrieval, Information Sources
