Information

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  • information
definition
  • All facts, ideas or imaginative works of the mind which have been communicated, published or distributed formally or informally in any format, or the knowledge that is communicated or received.
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Abstract from DBPedia
    Information is processed, organised and structured data. It provides context for data and enables decision making. For example, a single customer’s sale at a restaurant is data – this becomes information when the business is able to identify the most popular or least popular dish. More technically, information can be thought of as the resolution of uncertainty; it answers the question of "What an entity is" and thus defines both its essence and the nature of its characteristics. The concept of information has different meanings in different contexts. Thus the concept becomes synonymous to notions of constraint, communication, control, data, form, education, knowledge, meaning, understanding, mental stimuli, pattern, perception, proposition, representation, and entropy. Information is associated with data. The difference is that information resolves uncertainty. Data can represent redundant symbols, but approaches information through optimal data compression. Information can be transmitted in time, via data storage, and space, via communication and telecommunication. Information is expressed either as the content of a message or through direct or indirect observation. That which is perceived can be construed as a message in its own right, and in that sense, information is always conveyed as the content of a message. Information can be encoded into various forms for transmission and interpretation (for example, information may be encoded into a sequence of signs, or transmitted via a signal). It can also be encrypted for safe storage and communication. The uncertainty of an event is measured by its probability of occurrence. Uncertainty is inversely proportional to the probability of occurrence. Information theory takes advantage of this fact by concluding that more uncertain events require more information to resolve their uncertainty. The bit is a typical unit of information. It is 'that which reduces uncertainty by half'. Other units such as the nat may be used. For example, the information encoded in one "fair" coin flip is log2(2/1) = 1 bit, and in two fair coin flips is log2(4/1) = 2 bits. A 2011 Science article estimated that 97% of technologically stored information was already in digital bits in 2007, and that the year 2002 was the beginning of the digital age for information storage (with digital storage capacity bypassing analog for the first time).

    コミュニケーション(英: communication)とは、 * 社会生活を営む人間の間で行われる知覚・感情・思考の伝達。 * (生物学)動物個体間での、身振りや音声・匂い等による情報の伝達。 原語がcommunicationなのでカタカナで表記する場合は「コミュニケーション」である。

    (Source: http://dbpedia.org/resource/Information)

    Information is processed, organised and structured data. It provides context for data and enables decision making. For example, a single customer’s sale at a restaurant is data – this becomes information when the business is able to identify the most popular or least popular dish. More technically, information can be thought of as the resolution of uncertainty; it answers the question of "What an entity is" and thus defines both its essence and the nature of its characteristics. The concept of information has different meanings in different contexts. Thus the concept becomes synonymous to notions of constraint, communication, control, data, form, education, knowledge, meaning, understanding, mental stimuli, pattern, perception, proposition, representation, and entropy. Information is associated with data. The difference is that information resolves uncertainty. Data can represent redundant symbols, but approaches information through optimal data compression. Information can be transmitted in time, via data storage, and space, via communication and telecommunication. Information is expressed either as the content of a message or through direct or indirect observation. That which is perceived can be construed as a message in its own right, and in that sense, information is always conveyed as the content of a message. Information can be encoded into various forms for transmission and interpretation (for example, information may be encoded into a sequence of signs, or transmitted via a signal). It can also be encrypted for safe storage and communication. The uncertainty of an event is measured by its probability of occurrence. Uncertainty is inversely proportional to the probability of occurrence. Information theory takes advantage of this fact by concluding that more uncertain events require more information to resolve their uncertainty. The bit is a typical unit of information. It is 'that which reduces uncertainty by half'. Other units such as the nat may be used. For example, the information encoded in one "fair" coin flip is log2(2/1) = 1 bit, and in two fair coin flips is log2(4/1) = 2 bits. A 2011 Science article estimated that 97% of technologically stored information was already in digital bits in 2007, and that the year 2002 was the beginning of the digital age for information storage (with digital storage capacity bypassing analog for the first time).

    情報(じょうほう、英語: information、ラテン語: informatio)とは、 1. * あるものごとの内容や事情についての知らせのこと。 2. * 文字・数字などの記号やシンボルの媒体によって伝達され、受け手において、状況に対する知識をもたらしたり、適切な判断を助けたりするもののこと。 3. * 生体が働くために用いられている指令や信号のこと。 4. * (情報理論(通信理論)での用法)価値判断を除いて、量的な存在としてとらえたそれ

    (Source: http://dbpedia.org/resource/Information)