This fourth edition provides an updated look at information organization, featuring coverage of the Semantic Web, linked data, and EAC-CPF; new metadata models such as IFLA-LRM and RiC; and new perspectives on RDA and its implementation in the context of ISBD and MARC.* Provides an essential overview of information organization-a central activity in library and information science-that describes approaches to organizing in libraries, archives, museums, online settings, indexing services, and other environments* Newly revised and updated to reflect changes in cataloging rules, address new standards, and introduce upcoming changes* Expands the scope of content relating to information organization in non-library settings* Features vocabulary and acronym lists at the end of each chapter to help readers stay abreast of new terminology