نتایج جستجو برای: مدل اولسون 1995

تعداد نتایج: 194314  

در بازار پویای امروز، نقش مشتری بیش از هر زمان دیگری اهمیت یافته است. چرا که این بازارها از طریق دانش و اطلاعاتی که در اختیار شرکت‌ها و مصرف‌کنندگان می‌باشد، معنا پیدا کرده‌اند و بر خلاف بازارهای سنتی که ایستا هستند، بازار هوشمند، پویا، متلاطم و غنی از اطلاعات است. ازطرفی برقراری ارتباط با مشتریان این نوع بازارها، نیازمند استراتژی جدید و حساب شده‌ای است، لذا در سال‌های اخیر، بازاریابی هوشمند به...

2010
N. Harris K. Maskell

1995
K R Apt Krzysztof R Apt

We claim that programming within the logic programming paradigm suuers from lack o f attention given to iteration and arrays. To c o n vince the reader about their merits we present several examples of logic and constraint logic programs which use iteration and arrays instead of explicit recursion and lists. These programs are substantially simpler than their counterparts written in the convent...

2006
Joseph Needham Conrad Hal Waddington

Joseph Needham [4] was an embryologist and biochemist who is most noted in science for his studies on induction [5] in developing embryos. Needham worked with Conrad Hal Waddington [6] to attempt to identify the compound responsible for the organizer?s activity. Although he was not successful in discovering the chemical, he and Waddington learned much about the organizer [7]. Needham was a meti...

1995
T. Pedersen Ronald Cramer Torben Pedersen

Even, Goldreich and Micali showed at Crypto'89 that the existence of signature schemes secure against known message attacks implies the existence of schemes secure against adaptively chosen message attacks. Unfortunately, this transformation leads to a rather impractical scheme. We exhibit a similar security ampliication, which takes the given scheme to a new signature scheme that is not even e...

1995
Nancy Lynch Roberto Segala Frits Vaandrager

We propose a new hybrid I/O automaton model that is capable of describing both continuous and discrete behavior. The model, which extends the timed I/O automaton model of 12, 7] and the phase transition system models of 15, 2], allows communication among components using both shared variables and shared actions. The main contributions of this paper are: (1) the deenition of hybrid I/O automata ...

Journal: : 2021

اثرات ویرانگر بلایای طبیعی، اهمیت لجستیک و برنامه‌ریزی منابع انسانی را در مراحل قبل بعد از بحران نشان می‌دهد. هنگام بروز به ‌منظور امدادرسانی سریع، شبکه سلسله ‌مراتبی سلامت که شامل درمانگاه‌ها بیمارستان‌ها است، فعال می‌شود. این پژوهش با استفاده مدل ریاضی مختلط عدد صحیح درنظرگرفتن موقعیت فعلی درمانگاه‌ها، مکان‌های بهینه‌ای عنوان «مراکز درمان موقت» تعیین نحوه تخصیص بهینه مصدومان ناحیه‌های شهری مر...

1995
Alexandre Pouget

The term dynamic remapping has been used in many different ways, but one of the clearest formulations of this concept comes from the mental rotation studies by Georgopoulos et al. (1989; see also REACHING: CODING IN MOTOR CORTEX). In these experiments, monkeys were trained to move a joystick in the direction of a visual stimulus, or 90" counterclockwise from it. The brightness of the stimulus i...

2001
John D. Prymak

These electrical simulation programs have grown out of SPICE. SPICE is an acronym that stands for Simulation Program for IC Emulation. This is a tool originally intended to aid in the understanding of the performance of integrated circuits (ICs). Today, SPICE modeling has moved well beyond integrated circuit emulation to full circuit emulation with some packages also allowing for environmental ...

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