"The problem of directing a user to stored information, some of which may be unknown to him, is the problem of "information retrieval"… In information retrieval, the addressee or receiver rather than the sender is the active party. Other differences are that communication is temporal from one epoch to a later epoch in time, though possibly at the same point in space; communication is in all cases unidirectional; the sender cannot know the particular message that will be of later use to the receiver and must send all possible messages; the message is digitally representable; a "channel" is the physical document left in storage which contains the message; and there is no channel noise because all messages are presumed to be completely accessible to the receiver. The technical goal is finding in minimum time those messages of interest to the receiver, where the receiver has available a selective device with a finite digital scanning rate."
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Calvin Mooers (1950). "Information retrieval viewed as temporal signaling". Proceedings of the International Congress of Mathematicians. Vol. 1, S.572-573
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Calvin Mooers
Calvin Northrup Mooers (October 4, 1919 – December 1, 1994) was an American computer scientist known for his work in information retrieval and for the programming language TRAC.
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