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Title Details:
Data and information
Authors: Stalidis, Georgios
Reviewer: Diamantaras, Konstantinos
Subject: MATHEMATICS AND COMPUTER SCIENCE > COMPUTER SCIENCE > INFORMATION MANAGEMENT
MATHEMATICS AND COMPUTER SCIENCE > COMPUTER SCIENCE > INFORMATION MANAGEMENT > DATABASE SYSTEMS
Keywords:
Business Intelligence
Data Bases
Marketing Information Systems
Description:
Abstract:
In this chapter, the basic concepts of electronic data and their organization in a computer-based information system are presented, from the simple bit to Data Bases and the different data types and their representation. The concepts of entity, instance, file, data set and data base are defined. Additionally, the concepts of data, information, knowledge and wisdom are presented, and reference is made on the distinction between the low level data representation and information representation, as well as the higher levels which incorporate intelligence.
Table of Contents:
1. Introduction to the concept of data
2. Relation between data and information
3. Data representation
3.1. Data types
3.1.1. Numerical data
3.1.2. Text
3.1.3. Special types
3.2. Data structures
3.3. The physical and the logical level of data managements
3.4. Common ways of structuring and using data
3.4.1. Informal and unstructured storage in an electronic medium
3.4.2. Spreadsheets or tables
3.4.3. Storage in files - data controlled by programs
3.4.4. Data Bases
3.4.5. Special models for specific applications
4. Representation of information and knowledge
4.1. Metadata
4.2. Class diagrams
4.3. From information to knowledge
Graphic Editors: Triantafillou, Sotirios
Type: Chapter
Creation Date: 2015
Item Details:
License: http://creativecommons.org/licenses/by-nc-nd/3.0/gr
Handle http://hdl.handle.net/11419/1163
Bibliographic Reference: Stalidis, G. (2015). Data and information [Chapter]. In Stalidis, G., & Kardaras, D. 2015. Data Management and Business Intelligence [Undergraduate textbook]. Kallipos, Open Academic Editions. chapter 2. http://hdl.handle.net/11419/1163
Language: Greek
Is Part of: Data Management and Business Intelligence
Publication Origin: Kallipos, Open Academic Editions