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This book is the second in a four-volume series. It builds upon the first volume by taking an extended and in-depth look at theorists' and practitioners' efforts to consolidate current knowledge and praxis. This consolidation centers around conceptual and technological issues related to standards, metadata, repositories, and the concept of the LCMS (Learning Content Management System).

Part I contains six chapters that focus upon LO concepts vis-à-vis architecture. A discussion of syntax, semantics, and LO metadata in Chapter 1 sets the stage for Chapter 2 which presents key issues related the applications of LO metadata. Chapter 3 reinforces and builds upon Chapter 1 and Chapter 2 by extending discussion of concept and issues pertaining to LO metadata; with a special emphasis upon semantics, content rules, and syntax.