Information Competence 1ICT521S2

Apuntes

Information Competence (ICT521S) 1 Namibia University of Science and Technology (NUST) UNIT 6 – Building Knowledge Bases using Web 2.0 and web 3.0 overview 1. Knowledge Introduction In unit 1, you learned about data and information. In this unit, we will discuss knowledge and the importance of building a knowledge base. You will also learn how to use web 2.0 tools to build your knowledge base. Objectives Upon completion of this unit, you will be able to: ▪ D efine knowledge. ▪ Understand knowledge base . ▪ Understanding the Evolution of the Web (Web 1.0, Web 2.0, Web 3.0) ▪ U se web 2.0 tools to build a knowledge base Definition Knowledge is justified, true belief. This may sound surprising but is derived from the following exclusion criteria: First, you cannot know something that is not true. People will laugh at you if you say “I know that the moon is made of green cheese”, no matter what. If something that was widely believed and thought to be known, turns out to be false (for instance, that the world is a disk), it can henceforth not be “known” anymore, simply because it is false. Second, you cannot know what you do not believe. Thi...