Computer Science 1032A/B Lecture Notes - Lecture 3: Data Quality

• School: Western University
• Department: Computer Science
• Course: Computer Science 1032A/B
• Professor: Louis Magguilli

Document Summary

Information is output and data is input: data is output and information is input b, data is meaningful bits of information, there is no difference. Data that has been organized and processed to be meaningful to a person (or other information system) who (or which) will use it. Another definition of information is anything that reduces uncertainty. Knowledge: a means to an end, not an end unto itself. Using the information derived from data to support conclusions. Data not integrated important data points left out. Regardless of the quality of the comparison or computation. Get the right information to the right people at the right time in the right format. A group of components that interact to achieve some stated purpose. Data bridge between the computer side and the human side. How to price your product or service to maximize revenue. How to market your product the most effectively. Feasibility if creating a new product or service.