Increasingly organizations are participating in networked value constellations, which are networks where organizations, enabled by information technology, jointly create value and satisfy customer needs. However, participating in a networked value constellation increases the problem of correctly understanding the organization, which is necessary to design (cross)-organizational IT support. Ther...

در این تحقیق به مقایسه تحلیلی و عددی آبشار جریان برگشتی مدل R با آبشارهای Q QI سیستم‌­های چندجزیی پایدار پرداخته می‌­شود. راستا برای اولین بار کدهای جهت طراحی منظور کد نرم‌افزار متلب نوشته شده‌­اند. نتایج نشان می‌­دهد که دو جزء 1k 2k از خوراک Nc جزء، تعداد معدودی قابل تعریف است همگی حالات خاصی می­‌باشد. هم‌­چنین یافته‌­ها مجموع مقدار برش جزیی همیشه برابر یک است. طریق داده می‌­شود صورتی میانگین ...

Business models have been an important topic in various disciplines and particularly e-business. Yet, little research has tempted to compare and integrate the different business model approaches. This paper compares two business model ontologies, the Business Model Ontology BMO and the evalue ontology, for the design of business models and value constellations. For that purpose it introduces a ...

A business model is a representation of an organization with a particular point of view. It is common to find different types of models to describe the business. However, methods to create business models representing an economic point of view have only emerged over the last few years in the scientific community. Such methods aid business specialists improving the economics understanding of the...

This paper evaluates the latest version 4.4 of the econometric software TSP. After reviewing the general estimation methods, the originalities of the software are underlined , compared to what is available on the market. Some aspects of programing in TSP are detailed and the new Window 95 environment is presented. R esum e Ce papier evalue la derni ere version 4.4 du logiciel econom etrique TSP...

In recent years, with the development of mobile devices, the location based services (LBSs) have become more and more prevailing and most applications installed on these devices call for location information. Yet, the untrusted LBS provider can collect these location information, which may potentially threaten users’ location privacy. In view of this challenge, we propose a two-tier schema for ...

Innovative networked value constellations, such as Cisco or Dell, are often enabled by Information Technology (IT). The same holds for the Distributed Electricity Balancing Service (DBS), which we present in this case study. To explore feasibility of such constellations while designing them, we need at least to develop a financial and technical understanding of the constellation at hand. In thi...

با توجه به رشد بالای جمعیت در جهان و نیاز اطمینان از امنیت غذایی، افزایش تولید واحد سطح محصولات زراعی به‌منزلة راهبردی اساسی حل مسئلة تأمین غذا به‌شمار می‌رود. سوی دیگر، وجود محدودیت زیرکشت پایین‌بودن میانگین عملکرد برخی کشاورزی مانند گندم کشور، محصول می‌تواند راهکاری عملی پاسخ کشور محسوب شود. یکی مهم‌ترین بیماری‌های فوزاریوم است که، نقش پیش‌بینی این بیماری جلوگیری کاهش بهره‌وری محصول، مدل‌هایی...