Dealing with information is one of the vital skills in the 21st century. It takes a fair degree of information savvy to create, represent and supply information as well as to search for and retrieve relevant knowledge. How does information (documents, pieces of knowledge) have to be organized in order to be retrievable? What role does metadata play? What are search engines on the Web, or in corporate intranets, and how do they work? How must one deal with natural language processing and tools of knowledge organization, such as thesauri, classification systems, and ontologies? How useful is social tagging? How valuable are intellectually created abstracts and automatically prepared extracts? Which empirical methods allow for user research and which for the evaluation of information systems? This Handbook is a basic work of information science, providing a comprehensive overview of the current state of information retrieval and knowledge representation. It addresses readers from all professions and scientific disciplines, but particularly scholars, practitioners and students of Information Science, Library Science, Computer Science, Information Management, and Knowledge Management. This Handbook is a suitable reference work for Public and Academic Libraries.

Dealing with information is one of the vital skills in the 21st century. It takes a fair degree of information savvy to create, represent and supply information as well as to search for and retrieve relevant knowledge. How does information (documents, pieces of knowledge) have to be organized in order to be retrievable? What role does metadata play? What are search engines on the Web, or in corporate intranets, and how do they work? How must one deal with natural language processing and tools of knowledge organization, such as thesauri, classification systems, and ontologies? How useful is social tagging? How valuable are intellectually created abstracts and automatically prepared extracts? Which empirical methods allow for user research and which for the evaluation of information systems? This Handbook is a basic work of information science, providing a comprehensive overview of the current state of information retrieval and knowledge representation. It addresses readers from all professions and scientific disciplines, but particularly scholars, practitioners and students of Information Science, Library Science, Computer Science, Information Management, and Knowledge Management. This Handbook is a suitable reference work for Public and Academic Libraries.

Wissensreprasentation ist die Wissenschaft, Technik und Anwendung von Methoden und Werkzeugen, Wissen derart abzubilden, damit dieses in digitalen Datenbanken optimal gesucht und gefunden werden kann. Sie ermoglicht die Gestaltung von Informationsarchitekturen, die auf der Grundlage von Begriffen und Begriffsordnungen arbeitend gestatten, Wissen in seinen Bedeutungszusammenhangen darzustellen. Ohne elaborierte Techniken der Wissensreprasentation ist es unmoglich, das "semantische Web" zu gestalten. Das Lehrbuch vermittelt Kenntnisse uber Metadaten und beschreibt eingehend sowohl dokumentarische wie bibliothekarische Ansatze der Inhaltserschliessung (Thesauri und Klassifikationssysteme), Bemuhungen der Informatik um Begriffsordnungen (Ontologien) als auch nutzerkonzentrierte Entwicklungen im Web 2.0 (Folksonomies). Es geht um das Auswerten und Bereitstellen von Informationen bei Diensten im World Wide Web, bei unternehmensinternen Informationsdiensten im Kontext des betrieblichen Wissensmanagement sowie bei fachspezifischen professionellen (kommerziellen) Datenbanken."