Download Empirical Foundations of Information and Software Science by Jagdish C. Agrawal, Pranas Zunde PDF

By Jagdish C. Agrawal, Pranas Zunde

The function of the second one Symposium on Empirical Foundations of Informa­ tion and software program technological know-how (EFISS) used to be, in essence, just like that of the 1st Symposium during this sequence, i. e. to discover matters and strategies of sci­ entific inquiry that are of basic and customary curiosity to info and software program sciences, and to map instructions of study that might enjoy the mutual interplay of those fields. in reality, essentially the most very important result of the 1st EFISS Symposium used to be the realization that the commonality of those sciences is far greater than simply the commonality in their items of research, specifically, the research of informative and prescriptive homes of texts in all types of signal sys­ tems (such as traditional or man made languages). relatively, the main challeng­ ing difficulties seem to be within the parts during which either those sciences overlap, corresponding to, for example, the matter of trade-offs among informative and prescriptive makes use of of texts. This challenge could be formulated in accepted phrases as follows: given a definite type of motion or task which has been pre­ scribed to a couple agent, i. e. that's required to be applied or performed, what sort of details will be supplied to the agent, in what shape, and the way should still it's dispensed over the contextual constitution of the pre­ scriptive textual content to let the agent to hold out the motion or task such a lot successfully and efficiently.

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The design task is characterized as a form of problem solving, which leads to discussion of types of design problem and designer/problem solver, as well as training of designers/problem solvers. This general background serves as a basis for analyzing information requirements for design. The value of information is defined as having three attributes: 1) reduction of uncertainty, 2) task relevance, and 3) appropriateness of form. These attributes, in conjunction with characterizations of stages/tasks of design and approaches to stages/tasks, are used to determine information requirements and the consequent nature of information seeking.

Pejtersen, Design of a computer-aided user-system dialogue based on an analysis of users' search behavior, Social Science Information Studies, 1984, (4), pp. 167-183. A. M. Pejtersen, The librarian's role as a mediator in fictive literature, The 4th International Research Forum in Information Science, I. , Boras, 1982. 37 VALUE OF INFORMATION IN SUPERVISORY CONTROL Jens Rasmussen Riso National Laboratory DK-4000 Roskilde, Denmark Abstract: The value of information in the context of information seeking and decision making in systems control is discussed.

The dataprocessing task is rather complex. ), and 2) decisions about the match of topical and extra topical features with a user's need. The tight relationship between the goal-related and process-related information value during a search makes the document representation the essential aid in the user's value decisions. Therefore, it should reflect social and individual value aspects, and these value aspects should also appear in the control of the search. Although the document representation is one of the most important messages that a user receives during his/her search of a database, other 31 Figure 4.

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