with the rapid development of the internet, the amount of information and data which are produced, are extremely massive. hence, client will be confused with huge amount of data, and it is difficult to understand which ones are useful. data mining can overcome this problem. while data mining is using on cloud computing, it is reducing time of processing, energy usage and costs. as the speed of ...

basically, medical diagnosis problems are the most effective component of treatment policies. recently, significant advances have been formed in medical diagnosis fields using data mining techniques. data mining or knowledge discovery is searching large databases to discover patterns and evaluate the probability of next occurrences. in this paper, bayesian classifier is used as a non-linear dat...

In the article“Web Mining: Data Mining on Web” 3 different components of Web have been described and mainly Usage has discussed in detail analyzed with examples. The general theme article is clarified by giving such sub-topics: Difficulties analyzing data from Internet, Stages Web-Mining, Analysis use resources (Web Mining), Server Log Files etc. General Relationships Between Categories Tasks a...

Mining is an activity that generates inputs to different production chains, making it essential for any country’s development. However, causes environmental, economic, and social impacts must be considered. The Law provides guidelines, through laws regulations, so the can carried out in environmentally, economically, socially sustainable way. In this paper, analysis was conducted of application...

شرایط اکولوژیک مثل دسترسی به غذای کافی و مناسب از عواملی است که می‌تواند روی رفتار جانوران تاثیرگذار باشد. حشرات مختلفی در زمان گرسنگی سعی می‌کنند تا رفتارهای آمیزشی طول مدت آمیزش را کاهش دهند. هدف این مطالعه، بررسی اثر بر عملکرد کفشدوزک Hippodamia variegata بود. آزمایش، نرها ماده‌های ۱۰ ۱۵ روزه باکره استفاده شد. هر تکرار، یک نر ماده ۳ ساعت (از ۱۲ الی ۱۵) برای کنار هم قرار داده شدند ‌زمان تاخیر...

شب پره جوانه خوار بلوط Tortrix viridana, Linnaeus, 1758 (Lep. Tortricidae) یکی از آفات مهم گونه های مختلف جنس Quercus spp. می باشد. لاروهای این آفت ها و برگ درختان تغذیه نمایند باعث بی برگی کامل مورد نظر شوند. در تحقیق تفاوت ژنتیکی پروانه با استفاده مارکرهای ISSR بر اساس میزبان آن جنگل شمال غرب ایران مطالعه قرار گرفت. 19 جمعیت شامل 171 فرد که سه branti Lindl. 1840, infectoria Oliv. 1801 libani ...

Currently, World-Wide Web has developed to a distributed information space with nearly 100 million workstations and several billion pages, which brings the people great trouble in finding needed information although huge amount of information available on webs. The search engine is a very important tool for people to obtain information on Internet, but the low-precision and lowrecall exist wide...

due to simple operation and no needs for expensive infrastructure construction to convey water from a source to farm lands, groundwater becomes the most important sources of agricultural water supply in iran. however, the contamination of aquifers is a major concern in many countries, specifically in areas without effective groundwater protection and management. therefore, groundwater vulnerabi...