Data Mining & Data Ware House
Data Mining & Data Ware House
21. Classification task referred to
- A subdivision of a set of examples into a number of classes
- A measure of the accuracy, of the classification of a concept that is given by a certain theory
- The task of assigning a classification to a set of examples
- None of these
22. Database is
- Large collection of data mostly stored in a computer system
- The removal of noise errors and incorrect input from al database
- The systematic description of the syntactic structure of a specific database. . it describes the structure of the attributes the tables and foreign key relationships.
- None of these
23. Data cleaning is
- Large collection of data mostly stored in a computer system
- The removal of noise errors and incorrect input from a database
- The systematic description of the syntactic structure of a specific database. It describes the structure of the attributes the tables and foreign key relationships.
- None of these
24. Data dictionary is
- Large collection of data mostly stored in a computer system
- The removal of noise errors and incorrect input from a database
- The systematic description of the syntatic structure of a specific database. It describes the structure of the attributes the tables and foreign key relationships.
- None of these
25. Data mining is
- The actual discovery phase of a knowledge discovery process
- The stage of selecting the right data for a KDD process
- A subject-oriented integrated time-variant non-vilatile collection of data in support of management
- None of these
26. Data selection is
- The actual discovery phase of a knowledge discovery process
- The stage of selecting the right data for a KDD process
- A subject-oriented integrated time-variant non-volatile collection of data in support of management
- None of these
27. Data warehouse is
- The actual discovery phase of a knowledge discovery process
- The stage of selecting the right data for a KDD process
- A subject-oriented integrated time-variant non-volatile collection of data in support management
- None of these
28. Coding is
- Group of similar objects that differ signifiantly from other objects
- Operations on al database to transform or simplify data in order to prepare it for a machine-learning algorithmq
- Symblic representation of facts or ideal from which information can potentially be extracted
- None of these
29. DB/2
- A family of relational database management systems marketed by IBM
- Interactive systems that enabled decision makers to use databases and models on a computer in order to solve ill-structured problems
- It consists of nodes and branches starting from a single root node. Ech node represents a test, or decision.
- None of these
30. Decision support systems (DSS) is
- A family of relational database management systems marketed by IBM
- Interactive systems that enable deision makers to use databases and models on a computer in order to solve ill-structured problems
- It consists of nodes and branches starting from a single root node. Each node represents a test, or decision.
- None of these