


Underground Mining Methods and Equipment
Underground Mining Methods 1.1. Classification of Underground Mining Methods 1.2. Underground Operations in General 1.3. Room-and-pillar Mining 1.4. Sublevel Stoping 1.5. Cut-and-fill Stoping ... categorized in three classes on the basis of the extent of support required: unsupported, supported, and caving.
اقرأ أكثر



Classification and prediction in data mining | PPT
Data Mining Definition and Task On the basis of the kind of data to be mined, there are two types of tasks that are performed by Data Mining: Descriptive Classification and Prediction 4. Descriptive Function The descriptive function deals with …
اقرأ أكثر



Classification of Data Mining Systems
Classification of Data Mining Systems with What is Data Mining, Techniques, Architecture, History, Tools, Data Mining vs Machine Learning, Social Media Data Mining, KDD Process, etc.
اقرأ أكثر



Mining methods and method selection
For caving methods, the mining objective is the prevention of strain energy accumulation, and the continuous dissipation of pre-mining energy derived from the prevailing gravitational, tectonic …
اقرأ أكثر



An investigation of data mining classification methods …
research is important in terms of examining data mining methods in educational fields other than the usual sectoral basis. Different methods and algorithms have been used in the literature as to recent prediction and classification studies in data mining, and the models used in these applications have a unique algorithm.
اقرأ أكثر



The MRMR Rock Mass Rating Classification System in …
the classification system. The remaining four depend on the user and the classification system should not be blamed. Some of the issues were addressed in the revised IRMR/MRMR system and the following paragraph discusses the changes. COMMENTS ON THE REVISED MRMR CLASSIFICATION SYSTEM The revised MRMR classification system introduced several
اقرأ أكثر



Construction accident narrative classification: An evaluation …
It was found that the best performing classifiers were linear SVM with unigram tokenization and radial basis function (RBF) SVM with uni-gram tokenization. In view of its relative simplicity, the linear SVM is recommended. ... This study aims to evaluate the utility of various text mining classification techniques in classifying publicly ...
اقرأ أكثر



Advanced microstructure classification by data mining methods
The results of the present work demonstrate the feasibility of an objective classification of different structures in steel on the basis of morphological parameters by data mining methods. The process in Rapid Miner with the SVM as classifier showed good classification results for the three classes martensite, pearlite and bainite.
اقرأ أكثر



Literature Review to Identify Techniques for Mining …
• A literature review was conducted to identify classical references for mining method selection in response to action item #GS-3 (Resolution Geology/Subsidence Working Group Meeting 2/11/2020). • Selection of a feasible mining method requires the comparison of the characteristics of the deposit with those essential for different mining methods
اقرأ أكثر



A COMPARATIVE STUDY OF CLASSIFICATION TECHNIQUES IN DATA MINING
The goal of this survey is to provide a comprehensive review of different classification techniques in data mining based on decision tree, rule based Algorithms, neural networks, support vector machines, Bayesian networks. - Huge amount of data is getting generated every second. These data is needed to be analyzed. Classification in data mining is a technique based on machine …
اقرأ أكثر



Difference between classification and clustering in data mining
Classification of data mining. These are given some of the important data mining classification methods: Logistic Regression Method. The logistic Regression Method is used to predict the response variable. K-Nearest Neighbors Method. K-Nearest Neighbors Method is used to classify the datasets into what is known as a K observation.
اقرأ أكثر



Literature Review to Identify Techniques for Mining …
• Selection of a feasible mining method requires the comparison of the characteristics of the deposit with those essential for different mining methods • In general, most selection techniques deal primarily with: 1. The physical and geologic characteristics of the deposit 2. The ground …
اقرأ أكثر



Data Mining Bayesian Classification
Data Mining Bayesian Classification with What is Data Mining, Techniques, Architecture, History, Tools, Data Mining vs Machine Learning, Social Media Data Mining, KDD Process, Implementation Process, Facebook Data Mining, Social …
اقرأ أكثر



A Comparative Study of Classification Techniques in …
approaches Statistical, Machine Learning and Neural Network for classification. While considering these approaches this paper provides an inclusive survey of different classification algorithms and their features and limitations. key words: C4.5, ID3, ANN, Naive Bayes, SVM, k-nearest neighbour. INTRODUCTION Classification techniques in data mining
اقرأ أكثر



Classification and Predication in Data Mining
Classification and Predication in Data Mining with What is Data Mining, Techniques, Architecture, History, Tools, Data Mining vs Machine Learning, Social Media Data Mining, etc. Tutorials. ... Here are the criteria for comparing the methods of Classification and Prediction, such as:
اقرأ أكثر



Construction accident narrative classification: An evaluation …
This study aims to evaluate the utility of various text mining classification techniques in classifying 1000 publicly available construction accident narratives obtained from the US OSHA website. ... It was found that the best performing classifiers were linear SVM with unigram tokenization and radial basis function (RBF) SVM with uni-gram ...
اقرأ أكثر



NEW СLASSIFICATION OF ORE DEPOSITS …
Classes of mining methods in this classification are selected not on the basis of sign of a method of stoping area supporting in the course of production as it seems to the authors. In fa ct,
اقرأ أكثر



Overview of Mining Methods: Classification of Mining …
Mining methods can be classified in various ways, but the most common classification is based on how ground pressure is managed. According to this classification, …
اقرأ أكثر



Overview of Mining Methods: Classification of Mining Methods …
Classification of Mining Methods. Mining methods can be classified in various ways, but the most common classification is based on how ground pressure is managed. According to this classification ...
اقرأ أكثر



Landslide risk assessment in mining areas using hybrid …
Support vector machine (SVM) is one of the most classical and favorite classification methods in machine learning in recent decades, which has been applied to landslide susceptibility assessment extensively (Fang et al., ... to determine the main control factors in the mining area, and to provide the basis for managing subsequent landslide risk.
اقرأ أكثر



Classification of underground mining methods [32].
On the basis of the strength of the rock formation, underground mining methods can be broadly divided into two categories: supported methods and unsupported methods, as shown in Fig. 4.
اقرأ أكثر



(PDF) Application of UBC methodology for underground mining method
Selecting the underground mining method is one of the most difficult decisions any mining engineer makes when designing a new mine or opening new parts in an existing mine.
اقرأ أكثر



Classification techniques in data mining | PPT
8. Classification—A Two-Step Process • Model usage: for classifying future or unknown objects – Estimate accuracy of the model • The known label of test samples is compared with the classified result from the model • Accuracy rate is the percentage of test set samples that are correctly classified by the model • Test set is independent of training set, otherwise over …
اقرأ أكثر



(PDF) Mining Methods
The purpose of this chapter is to gain a better understanding of the different underground scenarios in terms of mining methods, layouts and associated excavation geometries.
اقرأ أكثر



Surface Mining Methods and Equipment
Surface Mining Methods 1.1.Classification of Surface Mining Methods 1.2. Open Pit vs. Underground Mining Methods 1.3. Open Pit Mining 1.4. Open Cast Mining 1.5. Placer Mining ... underground equipment for maintaining productivity is more expensive on a unit basis capacity than corresponding open pit equipment. Furthermore, the large production ...
اقرأ أكثر



Data Mining Classification: Basic Concepts and …
Classification: Definition Given a collection of records (training set) – Each record is by characterized by a tuple (x,y), where x is the attribute set and y is the class label u x: attribute, predictor, independent variable, input u y: class, response, dependent variable, output Task: Learn a model that maps each attribute set
اقرأ أكثر



Comparative Study of Different Orange Data Mining Tool …
Nowadays, image classification has taken the front position in different areas of research such as data mining, computer vision, medical image analysis, artificial intelligence and so on [].Figure 1 shows the rapid rise in the unstructured data from the year 1970–2020 [].As images are mostly the unstructured data [], they need to be transformed to a structured format …
اقرأ أكثر



Text mining in unstructured text: techniques, …
Text mining is a process to extract interesting and significant patterns to explore knowledge from textual data sources. Approximately, 90% of world's data is held in unstructured format.
اقرأ أكثر



Text mining: applications and techniques
The most important techniques used in text mining include NLP, information retrieval and extraction. Other techniques are used in data mining, including clustering, classification and association rule techniques. Therefore, text mining is a part of the data mining process that mainly focuses on converting unstructured data into a structured format.
اقرأ أكثر



Product functional information based automatic patent classification
Because the patent text contains a lot of information, to select which information as the basis of the patent mining and classification has been recently studied by some researchers [25], [26], [27]. Their principle of the selection is to reduce the workload of information mining as much as possible while ensuring the accuracy of classification ...
اقرأ أكثر