نتایج جستجو برای: data mining

تعداد نتایج: 2444752  

Journal: :گوارش 0
mina pazouki mohammad mehdi sepehri mehdi saberifiroozi

background: liver cirrhosis was one of the most important liver diseases. other chronic liver diseases could be lead to liver cirrhosis. liver cirrhosis could be lead one kind of liver cancers named hepatocellular carcinoma. cirrhosis in the early stages just by laboratory and imaging testes could be diagnosed. in this study cirrhotic patients were classified based on laboratory symptoms. for t...

Journal: :international journal of health policy and management 2016
hossein joudaki arash rashidian behrouz minaei-bidgoli mahmood mahmoodi bijan geraili

background we aimed to identify the indicators of healthcare fraud and abuse in general physicians’ drug prescription claims, and to identify a subset of general physicians that were more likely to have committed fraud and abuse.   methods we applied data mining approach to a major health insurance organization dataset of private sector general physicians’ prescription claims. it involved 5 ste...

Journal: :Ceylon Journal of Medical Science 2002

ژورنال: :علوم پیراپزشکی و بهداشت نظامی 0
لیلا غلامحسینی leila gholamhosseini گروه مدیریت اطلاعات سلامت دانشگاه علوم پزشکی ایران، دانشگاه علوم پزشکی ارتش، تهران،ایران مصطفی دامرودی mostafa damroodi دانشکده پیراپزشکی،دانشگاه علوم پزشکی ارتش،تهران،ایران

مقدمه: با گسترش داده های ذخیره شده در پایگاه های داده پزشکی نیاز به ابزارهای تخصصی برای دسترسی به داده ها،تجزیه و تحلیل داده ها،کشف دانش، و استفاده مؤثر از داده ها  می باشد. داده کاوی یکی از مهم ترین این روش ها می باشد. در این مقاله تکنیک ها و نمونه هایی از کاربرد داده کاوی برای تشخیص پزشکی و پیش بینی بیماری ها در نظام سلامت بیان شده است. مواد و روش ها: مطالعه حاضر با جستجوی مروری در متون موجود...

Journal: :journal of ai and data mining 2014
farzaneh zahedi mohammad-reza zare-mirakabad

drug addiction is a major social, economic, and hygienic challenge that impacts on all the community and needs serious threat. available treatments are successful only in short-term unless underlying reasons making individuals prone to the phenomenon are not investigated. nowadays, there are some treatment centers which have comprehensive information about addicted people. therefore, given the ...

Journal: :journal of advances in computer research 2015
mohammad rostami seyed saeed ayat iman attarzadeh farid saghari

today a significant part of available data is saved in text database or text documents. the most important thing is to organize these documents. one way to organize text documents is to classify them. to classify texts is to assign text documents to their actual categories. this has two main steps, i.e. feature- and learning algorithm selection. there have been several methods suggested to clas...

Journal: :iranian red crescent medical journal 0
mahmoud reza saybani department of information systems, faculty of computer science and information technology, university of malaya, kula lumpur, malaysia; department of information systems, faculty of computer science and information technology, university of malaya, kula lumpur, malaysia shahaboddin shamshirband department of computer science, chalous branch, islamic azad university, chalous, ir iran shahram golzari hormozi department of electrical and computer engineering, faculty of engineering, university of hormozgan, bandar abbas, ir iran teh ying wah department of information systems, faculty of computer science and information technology, university of malaya, kula lumpur, malaysia saeed aghabozorgi department of information systems, faculty of computer science and information technology, university of malaya, kula lumpur, malaysia mohamad amin pourhoseingholi gastroenterology and liver diseases research center, shahid beheshti university of medical sciences, tehran, ir iran

objectives in order to increase the classification accuracy of airs, this study introduces a new hybrid system that incorporates a support vector machine into airs for diagnosing tuberculosis. background tuberculosis (tb) is a major global health problem, which has been ranked as the second leading cause of death from an infectious disease worldwide. diagnosis based on cultured specimens is the...

Journal: :journal of computer and robotics 0
rasool azimi faculty of computer and information technology engineering, qazvin branch, islamic azad university, qazvin, iran hedieh sajedi department of computer science, college of science, university of tehran, tehran, iran

identifying clusters or clustering is an important aspect of data analysis. it is the task of grouping a set of objects in such a way those objects in the same group/cluster are more similar in some sense or another. it is a main task of exploratory data mining, and a common technique for statistical data analysis this paper proposed an improved version of k-means algorithm, namely persistent k...

Journal: :journal of research in health sciences 0
hamid reza khalkhali hadi lotfnezhad afshar omid esnaashari nasrollah jabbari

background : breast cancer survival has been analyzed by many standard data mining algorithms. a group of these algorithms belonged to the decision tree category. ability of the decision tree algorithms in terms of visualizing and formulating of hidden patterns among study variables were main reasons to apply an algorithm from the decision tree category in the current study that has not studied...

Journal: :iranian journal of diabetes and obesity 0
razieh sheikhpour school of electrical and computer engineering, yazd university, yazd, iran. mehdi agha sarram school of electrical and computer engineering, yazd university, yazd, iran.

objective: diabetes is one of the most common metabolic diseases. earlier diagnosis of diabetes and treatment of hyperglycemia and related metabolic abnormalities is of vital importance. diagnosis of diabetes via proper interpretation of the diabetes data is an important classification problem. classification systems help the clinicians to predict the risk factors that cause the diabetes or pre...

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