(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.

(logic) A fallacy whose error cannot be represented by the symbols used in formal logic.

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

plural of information science

(US, law, finance) Information obtained by or from a person in a position of trust (a director, an employee, a consultant) that affects the price of publicly traded securities.

The current era, characterised by the increasing importance and availability of information (especially by means of computers), as opposed to previous eras (such as the Industrial Age) in which most endeavours related to some physical process or product.

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.

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

prediction market

The use and management of information in pursuit of an advantage over an opponent, such as propaganda, disinformation, and gathering assurances that one's own information is accurate.