نتایج جستجو برای: conceptual model

تعداد نتایج: 2166557  

1996
Iadh Ounis Jean-Pierre Chevallet

In 1986, van Rijsbergen promotes a principle in which the matching between a query and a document is founded on a form of uncertain logical inference. His formulation was deliberately abstract, no attempt was made to specify how such a principle might be implemented through an effective logic and under a particular semantics. In classical logics inference which is often associated with logical ...

2007
Daniel Aebi

The integration of different library catalogues into a union catalogue is a desirable goal in order to extend the available information and to ease the user’s access as well as to improve the user friendliness. Such a catalogue integration is no straight forward process because of the diversity and peculiarities of the involved sourcesystems. This article describes some of the problems the auth...

2010
Madalina Croitoru Nir Oren Simon Miles Michael Luck

Norms impose obligations, permissions and prohibitions on individual agents operating as part of an organisation. Typically, the purpose of such norms is to ensure that an organisation acts in some socially (or mutually) beneficial manner, possibly at the expense of individual agent utility. In this context, agents are normaware if they are able to reason about which norms are applicable to the...

2015
Achille Felicetti Francesca Murano Paola Ronzino Franco Niccolucci

This paper identifies the main concepts involved in the study of epigraphy and proposes the use of CIDOC CRM to encode epigraphic concepts and to model the scientific process of investigation related to the study of epigraphy. After analysing the existing CIDOC CRM entities and those provided by the CRMsci and CRMarchaeo extensions, we introduce more specific epigraphic classes to be used as th...

2001
Andrea Calì Diego Calvanese Giuseppe De Giacomo Maurizio Lenzerini

Data integration systems provide access to a set of heterogeneous, autonomous data sources through a so-called global, or mediated view. There is a general consensus that the best way to describe the global view is through a conceptual data model, and that there are basically two approaches for designing a data integration system. In the global-as-view approach, one defines the concepts in the ...

Journal: :CoRR 2017
Joe Bolt Bob Coecke Fabrizio Genovese Martha Lewis Dan Marsden Robin Piedeleu

The categorical compositional approach to meaning has been successfully applied in natural language processing, outperforming other models in mainstream empirical language processing tasks. We show how this approach can be generalized to conceptual space models of cognition. In order to do this, first we introduce the category of convex relations as a new setting for categorical compositional s...

2002
Terry Horgan PHILIS

Is conceptual relativity a genuine phenomenon? If so, how is it properly understood? And if it does occur, does it undermine metaphysical realism? These are the questions we propose to address. We will argue that conceptual relativity is indeed a genuine phenomenon, albeit an extremely puzzling one. We will offer an account of it. And we will argue that it is entirely compatible with metaphysic...

Objectives: Hypertension is a global major health challenge and mechanisms related to the risk factors associated with it are poorly understood. Therefore, we used structural modeling to test a hypothesized model to identify factors associated with hypertension.  Methods: A cross-sectional population based survey, was performed and the data related to a random representative sample of 9704 sub...

Journal: :تحقیقات اقتصادی 0
علی دیواندری دانشیار دانشکدة مدیریت دانشگاه تهران ُسیدرضا سید جوادین دانشیار دانشکدة مدیریت دانشگاه تهران محمد نهاوندیان عضو هیات علمی پژوهشگاه علوم انسانی و مطالعات فرهنگی هاشم آقازاده دانشجوی دکتری مدیریت بازاریابی دانشگاه تهران

in this study market orientation of iran commercial banks has been considered as an effective factor on banks' performance and the relationship between them has been surveyed. accordingly a conceptual model has been developed that shows both direct and indirect (through value creation) relationship. the developed conceptual model has been evaluated by bank and marketing experts in the fram...

Journal: :IBM Journal of Research and Development 1984
Marco A. Casanova Jose E. Amaral de Sa

A method of mapping sets of uninterpreted record or relation schemes into entity-relationship diagrams is described and then applied to two conceptual design problems. First, the method is applied to the design of relational databases. It is shown that the method can be interpreted as a normalization procedure that maps a given relational schema into a new schema that represents an entity-relat...

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