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Unit 1
• Why Data Mining?
• What Is Data Mining?
• A Multi-Dimensional View of Data Mining
• What Kind of Data Can Be Mined?
• What Kinds of Patterns Can Be Mined?
• What Technology Are Used?
• What Kind of Applications Are Targeted?
• Major Issues in Data Mining
• A Brief History of Data Mining and Data Mining Society
• Database-oriented data sets and applications
– Relational database, data warehouse, transactional database
• Advanced data sets and advanced applications
– Data streams and sensor data
– Time-series data, temporal data, sequence data (incl. bio-sequences)
– Structure data, graphs, social networks and multi-linked data
– Object-relational databases
– Heterogeneous databases and legacy databases
– Spatial data and spatiotemporal data
– Multimedia database
• Information integration and data warehouse construction
– Data cleaning, transformation, integration, and
multidimensional data model
• Data cube technology
– Scalable methods for computing (i.e., materializing)
multidimensional aggregates
– OLAP (online analytical processing)
• Multidimensional concept description: Characterization and
discrimination
– Generalize, summarize, and contrast data
characteristics, e.g., dry vs. wet region
• Classification and label prediction
– Construct models (functions) based on some training examples
– Describe and distinguish classes or concepts for future prediction
• E.g., classify countries based on (climate), or classify cars based on
(gas mileage)
– Predict some unknown class labels
• Typical methods
– Decision trees, naïve Bayesian classification, support vector machines,
neural networks, rule-based classification, pattern-based classification,
logistic regression, …
• Typical applications:
– Credit card fraud detection, direct marketing, classifying stars, diseases,
web-pages, …

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dwm.pptx

  • 1.
  • 2. Unit 1 • Why Data Mining? • What Is Data Mining? • A Multi-Dimensional View of Data Mining • What Kind of Data Can Be Mined? • What Kinds of Patterns Can Be Mined? • What Technology Are Used? • What Kind of Applications Are Targeted? • Major Issues in Data Mining • A Brief History of Data Mining and Data Mining Society
  • 3. • Database-oriented data sets and applications – Relational database, data warehouse, transactional database • Advanced data sets and advanced applications – Data streams and sensor data – Time-series data, temporal data, sequence data (incl. bio-sequences) – Structure data, graphs, social networks and multi-linked data – Object-relational databases – Heterogeneous databases and legacy databases – Spatial data and spatiotemporal data – Multimedia database
  • 4. • Information integration and data warehouse construction – Data cleaning, transformation, integration, and multidimensional data model • Data cube technology – Scalable methods for computing (i.e., materializing) multidimensional aggregates – OLAP (online analytical processing) • Multidimensional concept description: Characterization and discrimination – Generalize, summarize, and contrast data characteristics, e.g., dry vs. wet region
  • 5. • Classification and label prediction – Construct models (functions) based on some training examples – Describe and distinguish classes or concepts for future prediction • E.g., classify countries based on (climate), or classify cars based on (gas mileage) – Predict some unknown class labels • Typical methods – Decision trees, naïve Bayesian classification, support vector machines, neural networks, rule-based classification, pattern-based classification, logistic regression, … • Typical applications: – Credit card fraud detection, direct marketing, classifying stars, diseases, web-pages, …