نتایج جستجو برای: mining

تعداد نتایج: 86652  

Journal: :ISPRS international journal of geo-information 2023

This paper attempts to define a name for an area of science and technology that encompasses the acquisition, processing application spatial data in mining industry. A comparative study evolution exchange methods between Geographic Information Systems (GISs) General Mining Planning (GMP) software is carried out problem it. Subsequent modifications acronym GIS towards specialisation its are then ...

Journal: :Science 1894

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی تهران 1331

چکیده ندارد.

Journal: :environmental health engineering and management 0
maryam khodadadi international campus, shahid sadoughi university of medical sciences, yazd, iran alireza mesdaghinia center for water quality research (cwqr), institute for environmental research (ier), tehran university of medical sciences, tehran, iran simin nasseri center for water quality research (cwqr), institute for environmental research (ier), tehran university of medical sciences, tehran, iran mohammad taghi ghaneian department of environmental health, school of public health, shahid sadoughi university of medical sciences, yazd, iran mohammad hassan ehrampoush department of environmental health, school of public health, shahid sadoughi university of medical sciences, yazd, iran mahdi hadi center for water quality research (cwqr), institute for environmental research (ier), tehran university of medical sciences, tehran, iran

background: data mining (dm) is an approach used in extracting valuable information from environmental processes. this research depicts a dm approach used in extracting some information from influent and effluent wastewater characteristic data of a waste stabilization pond (wsp) in birjand, a city in eastern iran. methods: multiple regression (mr) and neural network (nn) models were examined us...

Journal: :journal of advances in computer research 0

fuzzy rule-based classification system (frbcs) is a popular machine learning technique for classification purposes. one of the major issues when applying it on imbalanced data sets is its biased to the majority class, such that, it performs poorly in respect to the minority class. however many cases the minority classes are more important than the majority ones. in this paper, we have extended ...

Journal: :hepatitis monthly 0
omid pournik department of medical informatics, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran; medical informatics research center, department of medical informatics, school of medicine, mashhad university of medical sciences, mashhad, ir iran seyed moayed alavian middle east liver disease center, tehran, ir iran; middle east liver disease center, tehran, ir iran , +98-2188945186 leila ghalichi deputy for research, iran university of medical sciences, tehran, ir iran bashir hajibeigi iranian blood transfusion organization research center, tehran, ir iran amir reza razavi department of medical informatics, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran saeid eslami department of medical informatics, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran; medical informatics research center, department of medical informatics, school of medicine, mashhad university of medical sciences, mashhad, ir iran

background the presence of an infected family member significantly increases the risk of hbv transmission, but many socio-demographic and viral characteristics of family members affect the transmission rate. objectives in this study, we have used data mining techniques to investigate the impact of different variables in intrafamilial transmission of hbv infection. patients and methods demograph...

Journal: :international journal of environmental research 2015
y. kalmykova u. palme s. yu k. karlfeldt fedje

urban sinks accumulate phosphorus and other elements and may serve as sources of secondaryraw materials. this paper evaluates phosphorus sources based on their environmental impact. in a life cycleassessment (lca) the conventional production was used as a yardstick against which tomeasure the performanceof two recycling options: spreading of sewage sludge and phosphorus recovery from municipal ...

Journal: :international journal of environmental research 2015
s. veerasingam p. vethamony p. vethamony r. mani murali m.t. babu

the mandovi estuary is highly influenced by mining and tourism related activities in the centralwest coast of india. vertical fluxes and accumulation of petroleum hydrocarbons (phcs) in three sedimentcores (d1, c1 and og) from the mandovi estuary were assessed using ultra-violet fluorescence (uvf)spectroscopy. the range of phcs values in estuarine sediments varied from 5.4 to 12.34 μg/g enrichm...

Journal: :journal of ai and data mining 2013
muhammad naeem muhammad bilal khan muhammad tanvir afzal

expert discovery is a quest in search of finding an answer to a question: “who is the best expert of a specific subject in a particular domain within peculiar array of parameters?” expert with domain knowledge in any field is crucial for consulting in industry, academia and scientific community. aim of this study is to address the issues for expert-finding task in real-world community. collabor...

Journal: :journal of ai and data mining 2014
amir mosavi

often in modeling the engineering optimization design problems, the value of objective function(s) is not clearly defined in terms of design variables. instead it is obtained by some numerical analysis such as fe structural analysis, fluid mechanic analysis, and thermodynamic analysis, etc. yet, the numerical analyses are considerably time consuming to obtain the final value of objective functi...

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