نتایج جستجو برای: mining

تعداد نتایج: 86652  

Journal: :مدیریت فناوری اطلاعات 0
رضا رادفر دانشیار گروه مدیریت و اقتصاد، دانشگاه آزاد اسلامی واحد علوم تحقیقات، تهران، ایران نوید نظافتی استادیار گروه مدیریت دولتی، دانشکدۀ مدیریت و حسابداری، دانشگاه شهید بهشتی، تهران، ایران سعید یوسفی اصلی کارشناس ارشد مدیریت فناوری اطلاعات، دانشگاه آزاد اسلامی، واحد الکترونیکی، تهران، ایران

classifying customers using data mining algorithms, enables banks to keep old customers loyality while attracting new ones. using decision tree as a data mining technique, we can optimize customer classification provided that the appropriate decision tree is selected. in this article we have presented an appropriate model to classify customers who use internet banking service. the model is deve...

Journal: :int. journal of mining & geo-engineering 2012
anthony meyers

this paper discusses some of the fundamental considerations when managing mining slopes. the goal of management is to reduce all components that contribute to the geotechnical risk and by doing so reduce the risk to as low as reasonably achievable. the techniques and procedures suggested are not exhaustive; they represent a snapshot of some of the practical techniques the author has found usefu...

Journal: :journal of occupational health and epidemiology 0
a firoozi chahak mh beheshti gonabad m poursadeghiyan

background: today, with the development of technology, the presence and role of human resources has been highlighted in industrial environments. hence, the importance of safety culture is growing. mining is the one of the most dangerous occupations. therefore, this study was performed to determine the effect of health, safety, and environment management system (hse-ms) on safety climate in one ...

Mining can become more sustainable by developing and integrating economic, environmental, and social components. Among the mining industries, coal mining requires paying a serious attention to the aspects of sustainable development. Therefore, in this work, we investigate the impacting factors involved in the sustainable development of underground coal mining from the structural viewpoint. For ...

Background and aim: Four text mining methods are examined and focused on understanding and identifying their properties and limitations in subject discovery. Methodology: The study is an analytical review of the literature of text mining and topic modeling.  Findings: LSA could be used to classify specific and unique topics in documents that address only a single topic. The other three text min...

Data mining is the process of discovering correlations, patterns, trends or relationships by searching through a large amount of data stored in repositories, corporate databases, and data warehouses. Industrial procedures with the help of engineers, managers, and other specialists, comprise a broad field and have many tools and techniques in their problem-solving arsenal. The purpose of this st...

Journal: :journal of advances in computer research 0
samaneh ghasemi department of computer engineering, sari branch, islamic azad university, sari, iran zeinab ghorbani lakterashani department of computer engineering, sari branch, islamic azad university, sari, iran

process mining includes the automated discovery of petri nets from event logs. these event logs are the starting point for various discovery and analysis techniques of the process.  in this paper process model is developed using colored petri nets (cpns) and the supporting software package cpn tools. the restaurant process model is represented for the analysis using a combination of process min...

Journal: :international journal of management and business research 2012
sahar mehregan reza samizadeh

purpose: this study wants to find any relationship between the numbers of purchase and the income the customer brings to the company. the attempt is to find those customers who buy more than one life insurance policy and represent the signs of good payments at the same time by the help of data mining tools. design/ methodology/ approach: the approach of this research is to use data mining tools...

Journal: :مجله دانشگاه علوم پزشکی مازندران 0
اکرم طاوسی akram tavousi msc student in medical informatics, faculty of medical sciences, tarbiat modares university, tehran, iranدانشجوی کارشناسی ارشد انفورماتیک پزشکی، دانشکده علوم پزشکی، دانشگاه تربیت مدرس، تهران، ایران محمد مهدی سپهری mohammad mehdi sepehri hospital management research center, iran university of medical sciences, tehran, iran associate professor, department of healthcare systems engineering, faculty of industrial and systems engineering, tarbiat modares university, tehran, iranتهران: دانشگاه تربیت مدرس، دانشکده پزشکی، بیمارستان هاشمی نژاد طاهره ملکوتیان tahereh malakoutian assistant professor, department of internal medicine, iran university of medical sciences, tehran, iranاستادیار، گروه داخلی، دانشکده پزشکی، دانشگاه علوم پزشکی ایران، تهران، ایران توکتم خطیبی toktam khatibi assistant professor, department of industrial engineering, faculty of industrial and systems engineering, tarbiat modares university, tehran, iranاستادیار، گروه مهندسی سیستم‏های سلامت، دانشکده مهندسی صنایع و سیستم‏ها، دانشگاه تربیت مدرس، تهران، ایران

background and purpose: kidney failure reduces the kidney function and in long term it leads to chronic kidney disease. one of the main complications of this disease is irreversible damage to the kidneys (end-stage kidney disease) and hemodialysis is the main method used to treat advanced kidney failure. the main problem associated with hemodialysis is treating anemia caused by lack of erythrop...

Journal: :آب و خاک 0
خلیل قربانی علی خلیلی سیدکاظم علوی نژاد غلامرضا نخعی زاده

abstract precipitation is an important variable which is used in definition of drought. based on precipitation amounts, some indices are devised for drought monitoring including, the standardized precipitation index (spi) and the standard index of annual precipitation (siap). each of these drought indices are classified into some classes so that each class descripts a given severity of drought....

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