Online GIS and Spatial Metadata

The book covers the principles, techniques, and standards for online GIS. This new edition covers the most recent major advances in the metadata arena. The semantic web (Web 2.0) is now well developed. GPS has also advanced in terms of the availability of Location-Based services, which rely on metadata and online services. In this new edition, a

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Implement Your Own Applications Using Online GIS



An in-depth study detailing the online applications of geographic information systems (GIS), Online GIS and Spatial Metadata, Second Edition outlines how GIS data are published, organized, accessed, searched, maintained, purchased, and processed over the web. This latest work describes how the internet has become a platform for the delivery and integration of geographic information. It highlights the growth that has taken place since the first edition and includes new chapters on popular XML formats used in online GIS, SDI Metadata Portals, Mobile GIS and Location-Based services. It also updates metadata standards and explains how metadata links it all together.



Designed To Help Non-Technical Readers Understand Technical Issues



The book provides a brief overview of the basic technology of online GIS before introducing the technical methods used to develop and implement GIS on the web. It includes an introduction to the protocols and standards now in use online and provides technical background and real-world examples of scripts, markup, and other elements that make this technology work. Expanding on the previous edition, the book offers a global perspective of online GIS, contains links and references to online resources, and includes future directions, applications, and trends.



Reviewing major advances that have occurred over the past decade, this seminal work:










Discusses the detail of four XML-based standards now in common use for Online GIS and spatial metadata



Outlines the nature of Information Networks, systems in which information is distributed across many different sites



Examines the conceptual framework of metadata, by studying the RDF and similar standards for the Web



Describes several metadata standards in use around the world for spatial metadata



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