نتایج جستجو برای: mining and quarrying

تعداد نتایج: 16843042  

Journal: :Sustainability 2022

With the outbreak of Russo–Ukrainian conflict, serious economic and financial sanctions have been initiated against Russia by many nations led United States Europe. In age globalization, no countries can stand or fall alone. Which industries will shocks caused affect? How propagate through global system? this paper, we adopt input–output analysis complex network methods to explore an impact pat...

Bitcoin soon attracted the attention of experts and the general public around the world, including the Islamic community. Due to the novelty of the subject, although little research has been done to examine the legitimacy of bitcoin mining from the perspective of Muslim thinkers, this paper is responsible for examining two reasons in the research of contemporary Sunni thinkers. The two reasons ...

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...

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: :amirkabir international journal of electrical & electronics engineering 2015
s. azimi h. veisi r. rahmani

industrial-scale r&d it projects depend on many sub-technologies which need to be understood and have their risks analysed before the project can begin for their success. when planning such an industrial-scale project, the list of technologies and the associations of these technologies with each other is often complex and form a network. discovery of this network of technologies is time con...

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: :International Journal of Environmental Science and Technology 2023

Abstract Construction, demolition, and renovation activities generate a significant amount of waste, posing serious environmental risks. The scarcity recycling facilities makes it difficult to implement the new legislation, which calls for producing recycled aggregates. Moreover, lack studies on feasibility construction demolition waste in regions with plentiful natural resources aggregates is ...

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