Tags / 8 quotes from 4 sources
#information-systems
About Taxonomies & Controlled Vocabularies
An ontology is a richer thesaurus
An ontology, like a thesaurus, is a kind of taxonomy with structure and specific types of relationships between terms. In an ontology the types of relationships are greater in number and more specific in their function. Relationships could include, for example, located in to…
Börje Langefors - Wikipedia
Infological equation
A major achievement of his work is the formulation of the 'infological equation' describing the difference between data and information as follows: I = i(D, S, t) This is a mathematical expression for the observation, that the information "I" communicated by a set of data to…
Cidoc-crm Version 4.2.4 - Reference Document
Interoperability
Interoperability means the capability of different information systems to communicate some of their contents. In particular, it may mean that two systems can exchange information, and/or multiple systems can be accessed with a single method.
Monotonic reasoning
Monotonic reasoning is a term from knowledge representation. A reasoning form is monotonic if an addition to the set of propositions making up the knowledge base never determines a decrement in the set of conclusions that may be derived from the knowledge base via inference…
Extension of a class
The extension of a class is the set of all real life instances belonging to the class that fulfil the criteria of its intension. This set is "open" in the sense that it is generally beyond our capabilities to know all instances of a class in the world and indeed that the future…
Semantic interoperability
Semantic interoperability means the capability of different information systems to communicate information consistent with the intended meaning. In more detail, the intended meaning encompasses 1. the data structure elements involved, 2. the terminology appearing as data and 3…
The open world assumption
The "Open World Assumption" is a term from knowledge base systems. It characterizes knowledge base systems that assume the information stored is incomplete relative to the universe of discourse they intend to describe. This incompleteness may be due to the inability of the…
Information Science - Wikipedia, The Free Encyclopedia
Information science is an interdisciplinary field which predates computer science
Information science is an interdisciplinary field primarily concerned with the analysis, collection, classification, manipulation, storage, retrieval, movement, dissemination, and protection of information.[1] Practitioners within the field study the application and usage of…