Data Mining PhD requires expertise guidance it is very crucial where scholars struggle a lot, we have more than 80+ Data Mining experts contact us and have a discussion with our team to ease your research hardships. Data mining is an efficient approach that majorly deals with massive datasets to extract meaningful information from them. Relevant to data mining, we suggest some intriguing topics, along with a brief outline, research challenges, important research queries, possible techniques, and sample datasets that could be more useful to carry out the exploration:
- Comparative Analysis of Clustering Algorithms for Large-Scale Data
Outline: In data mining, one of the major missions is clustering. In terms of the resemblances, it clusters data points. On massive datasets, the functionality of different clustering algorithms has to be compared in this topic. This is specifically for interpreting their effectiveness, preciseness, and scalability.
Important Research Queries:
- How do various clustering algorithms function on massive datasets on the basis of preciseness and scalability?
- What are the benefits and shortcomings of each algorithm when implemented to different kinds of data (for instance: categorical, numerical, integrated)?
Research Challenges:
- In clustering extensive datasets, the memory specifications and computational intricacy must be managed.
- Variations in data sharing and cluster designs should be considered in comparison. It is crucial to assure that the comparison is unbiased.
Possible Techniques:
- Various algorithms have to be applied and compared, including Gaussian Mixture Models, Hierarchical Clustering, DBSCAN, and k-Means.
- Make use of metrics such as computational time, Davies-Bouldin Index, and Silhouette Score to assess functionality.
- From different fields like genomics, social networks, and image processing, the datasets must be utilized.
Sample Datasets:
- SNAP Network Data for social network analysis.
- ImageNet for image data.
- UCI Machine Learning Repository.
- Evaluation of Classification Algorithms for Imbalanced Datasets
Outline: Particularly in data mining, the general problem is categorizing imbalanced datasets, in which one class exceeds the others in a substantial manner. Appropriate to manage imbalanced data, we plan to compare various classification methods and algorithms in this study.
Important Research Queries:
- How efficient are different classification algorithms in managing imbalanced datasets?
- What techniques (for instance: cost-sensitive learning, resampling) enhance functionality on imbalanced data?
Research Challenges:
- With respect to the largest class, the classifier can be influenced when handling class imbalance.
- To indicate the functionality in least classes, it is significant to choose ideal assessment metrics.
Possible Techniques:
- Focus on comparing diverse algorithms like Neural Networks, Support Vector Machines, and Random Forest.
- Various methods should be explored, such as cost-sensitive learning, undersampling, and SMOTE (Synthetic Minority Over-sampling Technique).
- Plan to utilize important metrics such as Area Under the ROC Curve (AUC-ROC), F1-Score, Recall, and Precision.
Sample Datasets:
- Healthcare datasets for rare disease forecasts.
- KDD Cup 1999 for intrusion detection.
- UCI Credit Card Fraud Detection.
- Comparative Study of Anomaly Detection Algorithms in Network Security
Outline: For detecting uncommon patterns which might be the sign of security hazards, the anomaly detection is most significant. On the basis of efficiency in network security applications, different anomaly detection algorithms have to be compared in this study.
Important Research Queries:
- How do various anomaly detection algorithms function in detecting network intrusions?
- What are the trade-offs among detection preciseness and false positives for each algorithm?
Research Challenges:
- Consider handling network traffic data which is greater in volume and dimension.
- Among specificity (reducing false positives) and sensitivity (identifying abnormalities), the trade-off has to be stabilized.
Possible Techniques:
- Diverse algorithms should be compared. It could encompass Autoencoders, One-Class SVM, and Isolation Forest.
- Conduct the assessment process by means of metrics such as F1-Score, False Positive Rate, and Detection Rate.
- On benchmark datasets such as CICIDS 2017 and NSL-KDD, the functionality must be examined.
Sample Datasets:
- Public datasets from cybersecurity study.
- CICIDS 2017 Dataset for intrusion detection.
- KDD Cup 1999 Data.
- Performance Comparison of Feature Selection Techniques in High-Dimensional Data
Outline: By minimizing the dimensionality of data, the model functionality has to be enhanced. For that, feature selection is highly crucial. Based on the implication on computational effectiveness and model preciseness, we intend to compare diverse feature selection methods.
Important Research Queries:
- How do different feature selection techniques impact the functionality of machine learning models on high-dimensional data?
- Which feature selection methods offer the ideal balance among model preciseness and dimensionality minimization?
Research Challenges:
- It is critical to manage high-dimensional data, where unimportant or redundant features might be encompassed.
- The chosen features should support the functionality of the model in addition to being valuable.
Possible Techniques:
- Various methods have to be compared, including Principal Component Analysis (PCA), LASSO, and Recursive Feature Elimination (RFE).
- By utilizing metrics such as computational time, accuracy, and F1-Score, the effect on model functionality must be assessed.
- From different fields such as bioinformatics and text classification, make use of datasets.
Sample Datasets:
- Gene expression datasets for bioinformatics.
- 20 Newsgroups dataset for text classification.
- UCI Madelon for feature selection.
- Comparative Analysis of Time Series Forecasting Algorithms
Outline: In terms of historical information, the upcoming values should be forecasted in time series prediction. In diverse applications, identify the efficiency of various prediction algorithms by comparing them in this study.
Important Research Queries:
- How do various time series prediction algorithms function on the basis of computational effectiveness and preciseness?
- What are the benefits and shortcomings of each algorithm when implemented to various kinds of time series data (for instance: multivariate, univariate)?
Research Challenges:
- Along with intricate patterns such as trends and seasonality, managing time series data is important.
- Focus on handling uneven time intervals and missing data.
Possible Techniques:
- Different algorithms like GRU, LSTM, Prophet, and ARIMA should be compared.
- By means of metrics such as Mean Absolute Percentage Error (MAPE), Root Mean Squared Error (RMSE), and Mean Absolute Error (MAE), the prediction accuracy has to be assessed.
- From areas like energy usage, weather prediction, and finance, employ datasets and implement models to them.
Sample Datasets:
- NOAA Climate Data for weather prediction.
- Yahoo Finance for stock price data.
- UCI Electricity Load Forecasting Dataset.
- Analysis of Ensemble Learning Techniques for Classification Problems
Outline: As a means to enhance categorization preciseness, several models are integrated by ensemble learning. In various contexts, our study intends to identify the efficiency of different ensemble techniques by comparing them.
Important Research Queries:
- How do various ensemble learning methods compare based on strength and categorization preciseness?
- What are the shortcomings and advantages of each ensemble technique?
Research Challenges:
- Concentrate on ensemble techniques and handle their higher computational intricacy.
- For unknown, novel data, the ensemble models should generalize in an effective manner. Assuring this aspect is most significant.
Possible Techniques:
- Various techniques have to be compared, including Stacking, Boosting (for instance: AdaBoost, Gradient Boosting), and Bagging.
- Utilize important metrics such as Precision, accuracy, Recall, and F1-Score to assess functionality.
- On datasets encompassing diverse noise and intricacy, the outcomes should be examined.
Sample Datasets:
- MNIST for image categorization.
- Kaggle Titanic Dataset.
- UCI Breast Cancer Wisconsin Dataset.
- Comparative Study of Clustering Algorithms for Text Data
Outline: On the basis of content, documents have to be categorized in the mission of clustering text data. In text mining applications, we aim to identify the efficiency of different clustering algorithms by comparing them.
Important Research Queries:
- How do various clustering algorithms work based on interpretability and preciseness when implemented to text data?
- What are the ideal approaches and issues for grouping high-dimensional text data?
Research Challenges:
- Consider managing the text data’s inadequacy and greater dimensionality.
- Clusters should be understandable and relevant, and assuring this aspect is important.
Possible Techniques:
- Focus on comparing diverse algorithms like Latent Dirichlet Allocation (LDA), Agglomerative Clustering, and k-Means.
- Utilize major metrics such as Silhouette Score, Normalized Mutual Information, and Adjusted Rand Index to assess clustering quality.
- From research papers, social media, and news articles, use text datasets and implement clustering to them.
Sample Datasets:
- Wikipedia corpus for topic modeling.
- Reuters-21578 for document categorization.
- 20 Newsgroups dataset for text clustering.
- Performance Comparison of Data Mining Algorithms for Big Data Applications
Outline: For perceptions, massive amounts of data are generally examined in big data applications. By considering effectiveness and scalability, the functionality of data mining algorithms has to be compared in big data scenarios.
Important Research Queries:
- How do diverse data mining algorithms adapt to growing data volumes?
- What are the trade-offs among computational effectiveness and preciseness for each algorithm?
Research Challenges:
- For processing big data, the necessary computational resources have to be handled.
- Algorithms should be effective as well as scalable, and assuring this aspect is crucial.
Possible Techniques:
- On big data environments such as Spark and Hadoop, different algorithms like Gradient Boosting, Decision Trees, and k-Means must be compared.
- Through metrics such as scalability, memory utilization, and computational time, the functionality has to be assessed.
- From sources such as sensor networks, e-commerce, and social media, use big data and implement algorithms to them.
Sample Datasets:
- OpenStreetMap data for geographic analysis.
- Twitter stream data for social media analysis.
- Amazon Product Review Data.
- Comparative Study of Feature Engineering Techniques for Machine Learning
Outline: To enhance model functionality, novel features have to be developed from raw data. This process is generally included in feature engineering. On various machine learning models, our study aims to detect the effect of different feature engineering methods by comparing them.
Important Research Queries:
- How do various feature engineering methods impact the functionality of machine learning models?
- What are the ideal approaches for feature engineering in different fields?
Research Challenges:
- In intricate datasets, the highly valuable and important features must be detected.
- Among model explainability and feature intricacy, the trade-off has to be stabilized.
Possible Techniques:
- Diverse methods such as interaction terms, feature scaling, and polynomial features have to be compared.
- By means of metrics such as R-squared, F1-Score, and accuracy, the effect on model functionality should be assessed.
- Use datasets from text analysis, healthcare, and finance and implement feature engineering.
Sample Datasets:
- Text datasets for NLP applications.
- Kaggle Titanic Dataset for feature engineering.
- UCI Housing Prices Dataset.
- Performance Analysis of Recommender System Algorithms
Outline: In terms of choices, the products can be recommended to users by means of recommender frameworks. In diverse applications, we plan to identify the efficiency of various recommendation algorithms by comparing them.
Important Research Queries:
- How do various recommender framework algorithms function on the basis of user contentment and preciseness?
- What are the issues in creating and applying efficient recommender frameworks?
Research Challenges:
- Focus on managing the user choices’ variation and inadequacy.
- It is significant to offer different, related, and precise suggestions.
Possible Techniques:
- Various algorithms have to be compared, such as Matrix Factorization, Content-Based Filtering, and Collaborative Filtering.
- Employ different metrics such as Recall, Precision, diversity, and Mean Absolute Error (MAE) to assess functionality.
- From social media, streaming services, and e-commerce, utilize datasets and implement algorithms to them.
Sample Datasets:
- Netflix Prize Dataset for streaming services.
- Amazon Product Review Data for e-commerce.
- MovieLens Dataset for movie suggestions.
What are some graduation project ideas in the field of Data Analytics regarding Industrial Engineering or other Engineering Majors?
In various engineering domains, the data analytics approach is utilized in an extensive manner for several purposes. By integrating data analytics with engineering domains, we recommend a few graduation project plans, including a concise explanation, explicit goals, major elements, proposed methodologies, and tools and mechanisms:
- Predictive Maintenance for Industrial Equipment
Explanation: A predictive maintenance framework should be created, which can predict machinery failures and efficiently plan maintenance by means of data analytics.
Goals:
- Maintenance expenses and downtime must be minimized.
- Focus on industrial machinery and expand its durability.
Major Elements:
- Data Gathering: It is approachable to collect operational records, sensor data, and previous maintenance data.
- Data Preprocessing: To manage anomalies and missing values, the data has to be cleaned and preprocessed.
- Feature Engineering: Major characteristics such as utilization hours, vibration, and temperature should be detected and extracted.
- Model Development: For predictive analysis, make use of machine learning models like LSTM, Gradient Boosting, or Random Forest.
- Evaluation: Utilize metrics such as ROC-AUC and Mean Absolute Error (MAE) to evaluate model preciseness.
Tools and Mechanisms:
- Power BI or Tableau for visualization
- SQL for data storage
- R for statistical analysis
- Python (TensorFlow, Scikit-learn, and Pandas)
Methodology:
- From different sources (logs, sensors), the data has to be gathered and combined.
- To assure quality, we intend to clean and preprocess the data.
- Predictive models have to be created and trained.
- For actual-time tracking, the models must be verified and implemented.
- Energy Consumption Forecasting in Smart Grids
Explanation: In smart grids, forecast energy usage patterns by developing a data analytics framework. This is specifically for minimizing expenses and improving energy sharing.
Goals:
- Consider energy demand predictions and enhance their preciseness.
- Energy sharing effectiveness has to be improved.
Major Elements:
- Data Gathering: From previous energy utilization, weather states, and smart meters, the data must be gathered.
- Time Series Analysis: In order to forecast upcoming energy usage, employ time series prediction techniques.
- Modeling: Focus on applying various models such as LSTM, Prophet, or ARIMA.
- Evaluation: By means of metrics such as MAE and RMSE, the model functionality has to be compared.
- Visualization: For tracking energy usage predictions in actual-time, develop efficient dashboards.
Tools and Mechanisms:
- Tableau for visualization
- Apache Spark for big data processing
- R for time series analysis
- Python (TensorFlow, Scikit-learn, and Pandas)
Methodology:
- From smart meters and other major sources, the data should be collected and preprocessed.
- To create prediction models, the time series analysis has to be implemented.
- In terms of performance metrics, we aim to assess and improve models.
- Outcomes have to be visualized. With smart grid management, the framework must be combined.
- Quality Control and Process Optimization in Manufacturing
Explanation: With the intention of enhancing effectiveness and minimizing faults, detect quality problems and improve manufacturing operations by examining production data.
Goals:
- In the manufacturing operations, the faults have to be identified and minimized.
- For improved effectiveness, the production operations must be enhanced.
Major Elements:
- Data Gathering: Focus on sensor readings, quality inspections, and production lines to gather data.
- Data Analysis: To detect connections and patterns, statistical analysis should be carried out.
- Anomaly Detection: In the production operation, identify abnormalities by employing
- Process Optimization: Particularly in the manufacturing operation, propose enhancements by implementing optimization algorithms.
- Visualization: To track operational effectiveness and quality, the visual tools have to be developed.
Tools and Mechanisms:
- Power BI or Tableau for data visualization
- SQL for data handling
- R for statistical analysis
- Python (Scikit-learn and Pandas)
Methodology:
- Quality and production data should be gathered and preprocessed.
- General faults and their factors have to be detected by examining data.
- To enhance operations and identify abnormalities, we focus on applying models.
- Potential discoveries must be visualized. Then, operation enhancements have to be suggested.
- Supply Chain Optimization Using Data Analytics
Explanation: To enhance supply chain processes, a data-related technique has to be created. Some of the potential processes are logistics, demand prediction, and inventory handling.
Goals:
- In supply chain processes, concentrate on enhancing effectiveness and minimizing expenses.
- The preciseness of inventory handling and demand prediction should be improved.
Major Elements:
- Data Gathering: Regarding logistics, supplier functionality, inventory levels, and sales, collect necessary data.
- Demand Forecasting: To forecast upcoming requirements, the machine learning models have to be utilized.
- Inventory Management: To handle inventory levels in an effective manner, the optimization methods must be implemented.
- Logistics Optimization: By means of data analytics, the transportation and sharing should be enhanced.
- Visualization: For tracking supply chain metrics in actual-time, develop robust dashboards.
Tools and Mechanisms:
- Power BI or Tableau for visualization
- SQL for data storage and handling
- R for prediction and optimization
- Python (Scikit-learn and Pandas)
Methodology:
- From various portions of the supply chain, the data must be gathered and combined.
- For inventory handling and demand prediction, we plan to create efficient models.
- Transportation operations and logistics have to be improved.
- Major metrics should be visualized. Then, valuable perceptions have to be offered.
- Data-Driven Decision Support System for Project Management
Explanation: A decision support framework must be developed, which can enhance project handling techniques through the use of data analytics. It is significant to consider resource allocation, risk handling, and cost estimation.
Goals:
- Using data-related perceptions, the project planning and implementation should be improved.
- Risk handling and cost estimation preciseness has to be enhanced.
Major Elements:
- Data Gathering: From previous projects, the data must be gathered. It could encompass resources, risks, timelines, and expenses.
- Data Analysis: To detect tendencies and patterns, machine learning and statistical analysis should be conducted.
- Risk Assessment: In order to evaluate project risks, employ predictive models.
- Cost Estimation: For precise budgeting and cost estimation, the models have to be created.
- Visualization: To predict upcoming tendencies and monitor project functionality, develop effective dashboards.
Tools and Mechanisms:
- Power BI or Tableau for visualization
- SQL for project data handling
- R for statistical analysis
- Python (Scikit-learn and Pandas)
Methodology:
- Specifically from past projects, gather and examine data.
- To evaluate risks and forecast expenses, the models have to be created.
- For project handlers, we intend to deploy a decision support framework.
- Project tendencies and performance metrics should be visualized.
- Optimizing Traffic Flow in Urban Areas Using Data Analytics
Explanation: For improving the flow of traffic in urban regions, create solutions by examining traffic data. This is particularly for enhancing transportation effectiveness and minimizing congestion.
Goals:
- Plan to enhance travel durations and minimize traffic congestion.
- By means of data-related perceptions, the traffic handling must be improved.
Major Elements:
- Data Gathering: From traffic cameras, GPS devices, and sensors, the traffic data has to be gathered.
- Data Preprocessing: To manage missing values and noise, the data should be cleaned and preprocessed.
- Traffic Flow Analysis: In order to design and examine traffic patterns, employ data analytics.
- Optimization Algorithms: To enhance route planning and traffic signal timings, the algorithms must be created.
- Visualization: For traffic monitoring and handling in actual-time, develop visual tools.
Tools and Mechanisms:
- Google Maps API or other related tools for visualization
- SQL for data handling
- R for data analysis
- Python (TensorFlow, Scikit-learn, and Pandas)
Methodology:
- From different sources, traffic data should be collected and preprocessed.
- Focus on detecting congestion points by examining traffic patterns.
- For traffic handling, we aim to build optimization models.
- Traffic data has to be visualized. For enhancing flow, offer potential suggestions.
- Smart Manufacturing Using Data Analytics
Explanation: To improve the adaptability and effectiveness of manufacturing operations, the data analytics methods have to be applied. Carry out this plan to facilitate Industry 4.0 principle.
Goals:
- Concentrate on minimizing waste and enhancing manufacturing effectiveness.
- For manufacturing operations, support tracking and optimization in actual-time.
Major Elements:
- Data Gathering: From production lines, sensors, and manufacturing machinery, the data must be gathered.
- Data Preprocessing: For the analysis process, the data has to be cleaned and preprocessed.
- Process Monitoring: To track and enhance production operations, make use of data analytics.
- Predictive Analytics: As a means to forecast quality problems and maintenance requirements, implement efficient predictive models.
- Visualization: For operation tracking and enhancement in actual-time, create dashboards.
Tools and Mechanisms:
- Power BI or Tableau for actual-time tracking
- SQL for data storage
- R for statistical analysis
- Python (Scikit-learn and Pandas)
Methodology:
- From manufacturing operations, the data must be gathered and preprocessed.
- To detect quality problems and ineffectiveness, focus on examining data.
- For quality control and maintenance, we plan to apply predictive models.
- In order to facilitate decision-making, the production data has to be visualized.
- Data-Driven Environmental Impact Assessment
Explanation: Consider industrial operations and evaluate their ecological effect by utilizing data analytics. To minimize their carbon footprint, recommend possible enhancements.
Goals:
- The ecological effect of industrial events has to be evaluated and minimized.
- Using data-related perceptions, support eco-friendly approaches.
Major Elements:
- Data Gathering: Regarding resource utilization, energy usage, and discharges, the data should be gathered.
- Data Analysis: Major aspects have to be detected, which increase ecological effect. For that, examine the gathered data.
- Impact Assessment: Focus on various operations and evaluate their ecological effect by utilizing models.
- Optimization: To minimize resource utilization and discharges, create robust policies.
- Visualization: In order to visualize ecological effect tendencies and metrics, develop effective tools.
Tools and Mechanisms:
- Power BI or Tableau for visualization
- SQL for data handling
- R for ecological data analysis
- Python (Scikit-learn and Pandas)
Methodology:
- Ecological data must be gathered and preprocessed.
- The major sources of ecological effect have to be detected by examining data.
- To evaluate and minimize the ecological footprint, we focus on creating models.
- Implication data should be visualized. For enhancement, offer possible suggestions.
- Optimizing Water Resource Management Using Data Analytics
Explanation: In agricultural and industrial platforms, the water resource handling should be examined and improved by creating an efficient framework.
Goals:
- Concentrate on water resource handling and enhance its effectiveness.
- Plan to enable sustainable water utilization and minimize water waste.
Major Elements:
- Data Gathering: Relevant to crop water needs, rainfall, and water utilization, the data has to be collected.
- Data Analysis: To examine water utilization patterns, employ machine learning and statistical methods.
- Predictive Modeling: As a means to enhance resource allocation and forecast water requirements, the models have to be created.
- Optimization Algorithms: To handle water resources in an efficient manner, implement optimization approaches.
- Visualization: To predict upcoming requirements and track water utilization, efficient dashboards should be developed.
Tools and Mechanisms:
- Tableau for visualization
- SQL for data storage and queries
- R for water resource analysis
- Python (Scikit-learn and Pandas)
Methodology:
- Regarding water needs and utilization, we intend to gather data.
- To interpret tendencies and patterns, the data must be examined.
- For water demand prediction, create robust predictive models.
- On the basis of data perceptions, the water resource handling should be enhanced.
- Developing an Intelligent Transportation System Using Data Analytics
Explanation: An intelligent transportation framework has to be developed, which can minimize traffic congestion and enhance public transport plans through the use of data analytics.
Goals:
- Consider public transportation frameworks and enhance their effectiveness.
- Aim to improve travel experiences and minimize traffic congestion.
Major Elements:
- Data Gathering: From GPS devices, traffic sensors, and public transport frameworks, the data must be gathered.
- Data Preprocessing: For the purpose of analysis, clean and preprocess the data.
- Predictive Modeling: To forecast passenger requirements and improve plans, the machine learning models have to be utilized.
- Traffic Optimization: In order to minimize congestion and enhance traffic flow, create efficient algorithms.
- Visualization: For monitoring traffic states and public transport in actual-time, develop robust tools.
Tools and Mechanisms:
- Google Maps API or Tableau for visualization
- SQL for data handling
- R for transportation data analysis
- Python (Scikit-learn and Pandas)
Methodology:
- Transportation data should be collected and preprocessed.
- To detect ineffectiveness and tendencies, the data has to be examined.
- For traffic flow and passenger requirements, create efficient predictive models.
- Transportation data must be visualized. Then, public transport plans have to be improved.
Emphasizing the data mining approach, several topics are listed out by us, which are innovative as well as fascinating. Related to data analytics with engineering domains, we proposed numerous interesting plans that are appropriate for graduation projects.
Data Mining PhD Topics & Ideas
Looking for Data Mining PhD Topics & Ideas we have provided some latest topics that we worked recently, we will be your one stop solution. Drop us a message we will provide you with tailored support.
- Collective data mining: A new perspective toward distributed data mining
- Static Versus Dynamic Sampling for Data Mining.
- MineSet: An Integrated System for Data Mining.
- Review of data preprocessing techniques in data mining
- Data mining with Microsoft SQL server 2008
- Data mining solutions: methods and tools for solving real-world problems
- Data warehousing, data mining, and OLAP
- Data mining and knowledge discovery with evolutionary algorithms
- Information visualization in data mining and knowledge discovery
- Data mining for direct marketing: Problems and solutions.
- Feature extraction, construction and selection: A data mining perspective
- Statistics: methods and applications: a comprehensive reference for science, industry, and data mining
- A survey on decision tree algorithms of classification in data mining
- Feature selection for knowledge discovery and data miningiques: application of big data
- Data mining and machine learning: fundamental concepts and algorithms
- An introduction to support vector machines for data mining
- Contemporary issues in exploratory data mining in the behavioral sciences
- Cluster analysis for data mining and system identification
- The role of domain knowledge in data mining
- Data mining: multimedia, soft computing, and bioinformatics
- Applications of data mining in computer security
- Advances in K-means clustering: a data mining thinking
- The UCI KDD archive of large data sets for data mining research and experimentation
- Advanced techniques in knowledge discovery and data mining
- Classification algorithm in data mining: An overview
- Statistics, data mining, and machine learning in astronomy: a practical Python guide for the analysis of survey data
- Business intelligence: data mining and optimization for decision making
- Large-scale parallel data mining
- Neurorule: A connectionist approach to data mining
- CRISP-DM: Towards a standard process model for data mining