909 resultados para Theories of the firm


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The interconnections and information interactions between main members of the Knowledge Market are presented in the paper.

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* The research is supported partly by INTAS: 04-77-7173 project, http://www.intas.be

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This paper considers the problem of concept generalization in decision-making systems where such features of real-world databases as large size, incompleteness and inconsistence of the stored information are taken into account. The methods of the rough set theory (like lower and upper approximations, positive regions and reducts) are used for the solving of this problem. The new discretization algorithm of the continuous attributes is proposed. It essentially increases an overall performance of generalization algorithms and can be applied to processing of real value attributes in large data tables. Also the search algorithm of the significant attributes combined with a stage of discretization is developed. It allows avoiding splitting of continuous domains of insignificant attributes into intervals.

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* This work was financially supported by RFBR-04-01-00858.

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The purpose of the current paper is to present the developed methodology of viable model based enterprise management, which is needed for modern enterprises to survive and growth in the information age century. The approach is based on Beer’s viable system model and uses it as a basis of the information technology implementation and development. The enterprise is viewed as a cybernetic system which functioning is controlled from the same rules as for every living system.

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The problem of a finding of ranging of the objects nearest to the cyclic relation set by the expert between objects is considered. Formalization of the problem arising at it is resulted. The algorithm based on a method of the consecutive analysis of variants and the analysis of conditions of acyclicity is offered.

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In terms of binary relations the author analyses the task of an individual consumers’ choice on the teaching excerpts set. It is suggested to analyse the function of consumer’s value as additive reduction. For localization of the vector of weighting coefficients of additive reduction the procedures based on metrics of object distance towards the ideal point are suggested.

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* This study was supported in part by the Natural Sciences and Engineering Research Council of Canada, and by the Gastrointestinal Motility Laboratory (University of Alberta Hospitals) in Edmonton, Alberta, Canada.

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Malapropism is a semantic error that is hardly detectable because it usually retains syntactical links between words in the sentence but replaces one content word by a similar word with quite different meaning. A method of automatic detection of malapropisms is described, based on Web statistics and a specially defined Semantic Compatibility Index (SCI). For correction of the detected errors, special dictionaries and heuristic rules are proposed, which retains only a few highly SCI-ranked correction candidates for the user’s selection. Experiments on Web-assisted detection and correction of Russian malapropisms are reported, demonstrating efficacy of the described method.

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Systemized analysis of trends towards integration and hybridization in contemporary expert systems is conducted, and a particular class of applied expert systems, integrated expert systems, is considered. For this purpose, terminology, classification, and models, proposed by the author, are employed. As examples of integrated expert systems, Russian systems designed in this field and available to the majority of specialists are analyzed.

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* This paper was made according to the program of fundamental scientific research of the Presidium of the Russian Academy of Sciences «Mathematical simulation and intellectual systems», the project "Theoretical foundation of the intellectual systems based on ontologies for intellectual support of scientific researches".

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The concept INFOS is very important for understanding the information phenomena. Because of this, it is basic for the General Information Theory. The more precise formal definition of this concept is given in the paper.

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Some basic points from the automated creation of a Bulgarian WordNet – an analogue of the Princeton WordNet, are treated. The used computer tools, the received results and their estimation are discussed. A side effect from the proposed approach is the receiving of patterns for the Bulgarian syntactic analyzer.

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The fast development and wide application of digital methods, combined with broadened access to the Internet and falling computing costs, have created intense interest in electronic presentation and access to cultural and scientific heritage resources. Information technologies have offered cultural institutions new opportunities for the presentation of their holdings, which are now made accessible not only to the specialists, but also to the citizens and interested parties worldwide. The paper presents an overview of the Bulgarian experience in the field of digital preservation and access and on-going work on the project “Knowledge Transfer for the Digitisation of Scientific and Cultural Heritage to Bulgaria” (MTKD-CT-2004-509754) supported by the Marie Curie programme of the FP6 of the EC.

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The Arnamagnæan Institute, principally in the form of the present writer, has been involved in a number of projects to do with the digitisation, electronic description and text-encoding of medieval manuscripts. Several of these projects were dealt with in a previous article 'The view from the North: Some Scandinavian digitisation projects', NCD review, 4 (2004), pp. 22-30. This paper looks in some depth at two others, MASTER and CHLT. The Arnamagnæan Institute is a teaching and research institute within the Faculty of Humanities at the University of Copenhagen. It is named after the Icelandic scholar and antiquarian Árni Magnússon (1663-1730), secretary of the Royal Danish Archives and Professor of Danish Antiquities at the University of Copenhagen, who in the course of his lifetime built up what is arguably the single most important collection of early Scandinavian manuscripts in the world, some 2,500 manuscript items, the earliest dating from the 12th century. The majority of these are from Iceland, but the collection also contains important Norwegian, Danish and Swedish manuscripts, along with approximately 100 manuscripts of continental provenance. In addition to the manuscripts proper, there are collections of original charters and apographa: 776 Norwegian (including Faroese, Shetlandic and Orcadian) charters and 2895 copies, 1571 Danish charters and 1372 copies, and 1345 Icelandic charters and 5942 copies. When he died in 1730, Árni Magnússon bequeathed his collection to the University of Copenhagen. The original collection has subsequently been augmented through individual purchases and gifts and the acquisition of a number of smaller collections, bringing the total to nearly 3000 manuscript items, which, with the charters and apographa, comprise over half a million pages.