Podcast
Questions and Answers
What is one of the reasons for the enormous data growth in commercial and scientific databases?
What is one of the reasons for the enormous data growth in commercial and scientific databases?
- Lack of interest in data collection
- Advances in data generation and collection technologies (correct)
- Limited storage capacity
- Decrease in data generation
Which company has Peta Bytes of web data, according to the text?
Which company has Peta Bytes of web data, according to the text?
- Amazon
- Yahoo (correct)
What is one of the reasons for the strong competitive pressure mentioned in the text?
What is one of the reasons for the strong competitive pressure mentioned in the text?
- Lack of interest in customer relationship management
- Decrease in computer power
- Provide better, customized services for an edge (correct)
- Reduce data collection efforts
What is the new mantra (slogan) mentioned in the text for data collection?
What is the new mantra (slogan) mentioned in the text for data collection?
What is the primary purpose of data mining as mentioned in the text?
What is the primary purpose of data mining as mentioned in the text?
Which fields contribute ideas to data mining, according to the text?
Which fields contribute ideas to data mining, according to the text?
What are examples of classification tasks mentioned in the text?
What are examples of classification tasks mentioned in the text?
Which application is specifically cited as using classification in data mining?
Which application is specifically cited as using classification in data mining?
What is the purpose of sky survey cataloging using data mining?
What is the purpose of sky survey cataloging using data mining?
Which field benefits from the use of data mining for predicting tumor cells?
Which field benefits from the use of data mining for predicting tumor cells?
What is the role of data mining in fraud detection in credit card transactions?
What is the role of data mining in fraud detection in credit card transactions?
Which activity involves data mining in the context of predicting credit worthiness?
Which activity involves data mining in the context of predicting credit worthiness?
What type of data does NASA EOSDIS archive, as mentioned in the text?
What type of data does NASA EOSDIS archive, as mentioned in the text?
Which of the following is a task involved in data mining, as per the text?
Which of the following is a task involved in data mining, as per the text?
What is the focus of data mining tasks related to classification?
What is the focus of data mining tasks related to classification?
What is the significance of data mining in solving societal problems, as per the text?
What is the significance of data mining in solving societal problems, as per the text?
Which method is used to predict continuous valued variables based on other variables?
Which method is used to predict continuous valued variables based on other variables?
What are the applications of clustering?
What are the applications of clustering?
Which method involves producing dependency rules to predict the occurrence of an item based on occurrences of other items?
Which method involves producing dependency rules to predict the occurrence of an item based on occurrences of other items?
What are the applications of association rule discovery?
What are the applications of association rule discovery?
What is an example of association analysis mentioned in the text?
What is an example of association analysis mentioned in the text?
What is deviation/anomaly/change detection used for?
What is deviation/anomaly/change detection used for?
What are the motivating challenges in data mining?
What are the motivating challenges in data mining?
What features is the class model based on?
What features is the class model based on?
What is used to predict the occurrence of an item based on occurrences of other items?
What is used to predict the occurrence of an item based on occurrences of other items?
What does clustering involve?
What does clustering involve?
What is used to detect significant deviations from normal behavior?
What is used to detect significant deviations from normal behavior?
What are the applications of deviation/anomaly/change detection?
What are the applications of deviation/anomaly/change detection?
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Study Notes
Introduction to Data Mining
- The class model is based on features like success stories, early class stages of formation, intermediate and late data sizes, object catalog, and image database.
- Regression is used to predict continuous valued variables based on other variables, with examples like predicting sales amounts and time series prediction of stock market indices.
- Clustering involves finding groups of similar objects, with applications in custom profiling for targeted marketing, grouping related documents for browsing, and reducing the size of large data sets.
- Market segmentation and document clustering are applications of clustering, aimed at subdividing markets and finding groups of similar documents, respectively.
- Association rule discovery involves producing dependency rules to predict the occurrence of an item based on occurrences of other items, with applications in market-basket analysis, telecommunication alarm diagnosis, and medical informatics.
- An example of association analysis is the subspace differential coexpression pattern, enriched with the TNF/NFB signaling pathway, related to lung cancer.
- Deviation/anomaly/change detection is used to detect significant deviations from normal behavior, with applications in credit card fraud detection, network intrusion detection, and identifying abnormal behavior from sensor networks.
- The motivating challenges in data mining include scalability, high dimensionality, heterogeneous and complex data, data ownership and distribution, and non-traditional analysis.
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