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The World Wide Web presents many new, exciting prospects for geographic information systems, but also numerous technical, practical and organizational challenges. Users no longer require specialized and expensive hardware, software and data, and they can access a GIS readily from almost anywhere, using off-the-shelf browser software. An online GIS removes the need to collate all the necessary elements in a single database. Instead it has the potential to seamlessly combine datasets that are stored on many different servers and maintained by many different organizations. However, to realize this potential it is crucial to develop appropriate standards and protocols. Such problems belong to the realm of "spatial metadata" which forms the basis of this book. The book covers the principles, techniques and standards for online GIS, including online spatial information and data warehousing. It examines the idea of metadata and outlines why it is important today, especially in the context of online information. It explains the underlying methodologies, including relevant standards, and the tools and skills needed to manage metadata. Finally, the subject is placed in the context of global GIS: putting data online; creating metadata; creating virtual data warehouses; geographical agents, and spatial data mining.
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 Provides current examples of SDI metadata portals, catalogues, and clearinghouses Looks at ways in which distributed information can be built into data warehouses, and introduces basic ideas in data mining
This book represents years of work by the ICA Spatial Data Standards Commission during the 1995-2003 ICA cycles. It consists of an Introduction and six Regional Summary chapters that describe the spatial metadata activities happening in Europe, North America, Asia/Pacific, Latin America, Africa/Middle East, and the ISO community. These chapters provide the broader context and description of the milieu in which these standards operate, so that the reader can more easily understand the scientific and technical framework from whence a particular standard has emerged. The third section is a complete listing of all of the three levels of scientific and technical characteristics, and their meaning by the inclusion of a set of definitions for metadata terms used in the book. The fourth section, and by far the largest, contains 22 chapters that assess each of the major national and international spatial metadata standards in the world, and also contains a few representative subject matter profile derived from a major standard. They have been carried out in terms of all three levels of characteristics. Each assessment has been carried out by a Commission member who has been an active participant in the development of the standard being assessed in the native language of that standard. The fifth section contains a summary cross-table wall size summary chart that includes all 22 standards and profiles that are cross tabulated by 70 of the crucial characteristics. The columns provide a thumbnail sketch of each individual standard, while the rows facilitate a quick comparison of individual critical characteristics across all of the 22 standards and profiles. Many readers of our previous book have begun their standards evaluation process with this cross-table. This current book on spatial metadata standards has been purposely designed to serve as a companion working volume to the 1997 book the Commission published on Spatial Data Transfer Standards, Moellering & Hogan, Editors, ISBN 008042433. * Assesses the National and International Spatial Metadata Standards & Profiles in their native languages, and then reports the analysis in a scientifically consistent manner in a widely used scientific language (English). * Provides a summary Crosstable of the 22 Spatial Metadata Standards/Profiles in a large wall-sized table highlighting 70 of the most important scientific characteristics * Provides the scientific and technical detail for each of the 22 Standards/Profiles to 12 primary levels, 58 second levels, and about 278 tertiary levels. Scientific and technical characteristics can be used for a wide variety of uses with spatial metadata and associated standards
This series in three volumes considers maps as constructions resulting from a number of successive transformations and stages integrated in a logical reasoning and an order of choices. Volume 3 is exclusively focused on the new approaches on thematic cartography offered by the three successive revolutions affecting the discipline: digital, multimedia and the Internet.
This book contains state-of-the-art research studies on the concepts, theory, processes, and real world applications of geographical information systems (GIS) in business. Its chapters are authored by many of the leading experts in applying GIS and geospatial science to business. The book utilizes a wide variety of approaches and methodologies including conceptual theory development, research frameworks, quantitative and qualitative methods, case studies, systems design, DSS theory, and geospatial analysis combined with point-of-sale. Since relatively little research has been published on GIS in business, this book is pioneering and should be the principal compendium of the latest research in this area. The book impacts not only the underlying definitions, concepts, and theories of GIS in business and industry, but its practice as well.

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