Location-based services (LBS) are a new concept integrating a user's geographic location with the general notion of services, such as dialing an emergency number from a cell phone or using a navigation system in a car. Incorporating both mobile communication and spatial data, these applications represent a novel challenge both conceptually and technically. The purpose of this book is to describe, in an accessible fashion, the various concepts underlying mobile location-based services. These range from general application-related ideas to technical aspects. Each chapter starts with a high level of abstraction and drills down to the technical details. Contributors examine each application from all necessary perspectives, namely, requirements, services, data, and scalability. An illustrative example begins early in the book and runs throughout, serving as a reference. - This book defines the LBS field and identifies its capabilities, challenges, and technologies.- The contributors are recognized experts from academia and industry.- Coverage includes navigation systems, middleware, interoperability, standards, and mobile communications.- A sample application, the "find-friend" application, is used throughout the book to integrate the concepts discussed in each chapter.
具體描述
讀後感
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用戶評價
收獲不大，地理數據錶示還是很麻煩啊。至於支持LBS的中間件，感覺是就一個大的Pub/Sub係統
评分一群做計算機和電信的人做齣來的LBS，可正是這些非GIS專業人員對於地理價值的推廣和挖掘更深入。
评分一群做計算機和電信的人做齣來的LBS，可正是這些非GIS專業人員對於地理價值的推廣和挖掘更深入。
评分收獲不大，地理數據錶示還是很麻煩啊。至於支持LBS的中間件，感覺是就一個大的Pub/Sub係統
评分一群做計算機和電信的人做齣來的LBS，可正是這些非GIS專業人員對於地理價值的推廣和挖掘更深入。
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