(mathematics) A branch of applied mathematics and engineering involving the quantification of information sent over a communication channel, disregarding the meaning of the sent messages, exemplified by the noisy-channel coding theorem.

(information science) The science of searching for information in documents, searching for documents themselves, searching for metadata which describe documents, or searching within databases, whether relational stand-alone databases or hypertextually-networked databases such as the World Wide Web.

The process of creating information model.

plural of information superhighway

plural of information model

A condition in which all relevant information is known to all parties involved. For example, in the stock market, stock information has a full public disclosure, and all investors are in the same position to share information.

An abstract but formal representation of entities including their properties, relationships and the operations that can be performed on them.

prediction market

The inability to process everything one hears and sees; the availability or supply of too much information, or a state of stress which results.

The protection of information and information systems from unauthorized access and disruption.