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"Mystified by locating and positioning technologies? Need to get the best from your location system? This guide is invaluable for understanding how the positions and movements of objects can be measured and used for real-world applications. From it, you'll learn how to optimise and manage system performance by working with parameters such as velocity, orientation, time, proximity and direction, and consider not only accuracy, but also reliability, integrity, response time and uncertainty. Packed with practical examples, this concise book gives you an overview of terrestrial radiolocation techniques, including comparative system architectures and real-world performance and limitations. It describes inertial navigation principles and techniques, including low-cost MEMS sensors for consumer products, and a range of applications, such as those benefiting from hybrid positioning techniques"--

Location-based services. --- Mobile geographic information systems.

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Since the publication of the first edition in 2004, advances in mobile devices, positioning sensors, WiFi fingerprinting, and wireless communications, among others, have paved the way for developing new and advanced location-based services (LBSs). This second edition provides up-to-date information on LBSs, including WiFi fingerprinting, mobile computing, geospatial clouds, geospatial data mining, location privacy, and location-based social networking. It also includes new chapters on application areas such as LBSs for public health, indoor navigation, and advertising. In addition, the chapter on remote sensing has been revised to address advancements--

Location-based services. --- LBS (Information services) --- Location-based computing --- Mobile location services --- Telegeoinformatics --- Information services --- Wireless localization

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Introduction. GNSS System Description. Antenna Characteristics. GNSS Antenna Requirements. GNSS Antenna Designs. Multiband GNSS Antennas. Ground Plane, Aircraft Fuselage and Other Platform and Environmental Effects on GPS Antennas. Measurement of GNSS Antenna Characteristics. Antennas and Site Considerations for Precise Applications. Cosite Interference Issues for GPS Antennas on Aircraft and Mitigation Techniques. Adaptive Antenna Arrays and Anti-Jam Signal Processing Techniques--

Global Positioning System. --- Antenna arrays. --- Mobile geographic information systems. --- Field geographic information systems --- Field GIS --- Mobile GIS --- Geographic information systems --- Location-based services --- Mobile computing --- Arrays, Antenna --- Antennas (Electronics) --- Large space structures (Astronautics) --- Global Navigation Satellite System --- GNSS (Navigational system) --- GPS (Navigational system) --- Navigation Satellite Timing and Ranging Global Positioning System --- NAVSTAR GPS --- Artificial satellites in navigation --- Mobile geographic information systems

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This book constitutes the refereed proceedings of the international competition aimed at the evaluation and assessment of Ambient Assisted Living, EvAAL 2013, which was organized in three major events: the International Competition on Indoor Localization and Tracking for Ambient Assisted Living, which took place in Madrid, Spain, in July 2013; the International Competition on Activity Recognition for Ambient Assisted Living, which took place in Valencia, Spain, in July 2013; and the Final Workshop, which was held in Norrköping, Sweden, in September 2013. The papers included in this book describe the organization and technical aspects of the competitions and provide a complete technical description of the competing artefacts and report on the experience lessons learned by the teams during the competition.

Engineering & Applied Sciences --- Computer Science --- Computer science. --- Special purpose computers. --- Computer system failures. --- Application software. --- Computers and civilization. --- Computer Science. --- System Performance and Evaluation. --- Special Purpose and Application-Based Systems. --- Computers and Society. --- Information Systems Applications (incl. Internet). --- Computer Applications. --- Location-based services --- Evaluation --- LBS (Information services) --- Location-based computing --- Mobile location services --- Telegeoinformatics --- Information services --- Wireless localization --- Computer system performance. --- Software engineering. --- Informatics --- Science --- Computer software engineering --- Engineering --- Application computer programs --- Application computer software --- Applications software --- Apps (Computer software) --- Computer software --- Civilization and computers --- Civilization --- Special purpose computers --- Computers --- Computer failures --- Computer malfunctions --- Computer systems --- Failure of computer systems --- System failures (Engineering) --- Fault-tolerant computing --- Failures

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By introducing Semantic Web technologies into geospatial Web services, this book addresses the semantic description of geospatial data and standards-based Web services, discovery of geospatial data and services, and generation of composite services. Semantic descriptions for geospatial data, services, and geoprocessing service chains are structured, organized, and registered in geospatial catalogue services. The ontology-based approach helps to improve the recall and precision of data and services discovery. Semantics-enabled metadata tracking and satisfaction allows analysts to focus on the generation of a geospatial process model rather than spending large amounts of time in data preparation. “DataType”-driven service composition and path planning can help to automate a range of knowledge discovery processes in a limited geospatial domain. Process planning facilitates the construction of complex services and models for geocomputation. A three-phase procedure to cover the lifecycle of service chaining and to identify the roles of the methods involved is proposed. It includes process modeling, process model instantiation, and workflow execution. The approach is implemented in a prototype system with use cases to demonstrate applicability. The objective of the research is to develop the key technologies for an intelligent geospatial knowledge system based on Web services to automate the data discovery and data preprocessing steps in the distributed Web service environment, to automate a range of knowledge discovery processes in a limited geospatial domain, using the automated construction and execution of service chains, and to facilitate the construction of complex services and models for geocomputation.

Engineering & Applied Sciences --- Computer Science --- Geospatial data. --- Geographic information systems. --- Geographical information systems --- GIS (Information systems) --- Data, Geospatial --- Computer science. --- Computer organization. --- Computers. --- Artificial intelligence. --- Computer graphics. --- Geographical information systems. --- Computer Science. --- Information Systems and Communication Service. --- Geographical Information Systems/Cartography. --- Artificial Intelligence (incl. Robotics). --- Computer Imaging, Vision, Pattern Recognition and Graphics. --- Computer Systems Organization and Communication Networks. --- Information storage and retrieval systems --- Geographic information systems --- Geography --- Information systems. --- Computer vision. --- Computer network architectures. --- Artificial Intelligence. --- Architectures, Computer network --- Network architectures, Computer --- Computer architecture --- Machine vision --- Vision, Computer --- Artificial intelligence --- Image processing --- Pattern recognition systems --- AI (Artificial intelligence) --- Artificial thinking --- Electronic brains --- Intellectronics --- Intelligence, Artificial --- Intelligent machines --- Machine intelligence --- Thinking, Artificial --- Bionics --- Cognitive science --- Digital computer simulation --- Electronic data processing --- Logic machines --- Machine theory --- Self-organizing systems --- Simulation methods --- Fifth generation computers --- Neural computers --- Optical data processing. --- Organization, Computer --- Electronic digital computers --- Optical computing --- Visual data processing --- Integrated optics --- Photonics --- Computers --- Automatic computers --- Automatic data processors --- Computer hardware --- Computing machines (Computers) --- Electronic calculating-machines --- Electronic computers --- Hardware, Computer --- Computer systems --- Cybernetics --- Calculators --- Cyberspace --- Optical equipment --- Location-based services. --- Semantic Web.