Results 31 to 40 of about 44,547 (242)

Spatial Pattern and Temporal Variation Law-Based Multi-Sensor Collaboration Method for Improving Regional Soil Moisture Monitoring Capabilities

open access: yesRemote Sensing, 2014
Regional soil moisture distributions and changes are critical for agricultural production and environmental modeling. Currently, hundreds of satellite sensors exist with different soil moisture observation capabilities.
Xiang Zhang   +2 more
doaj   +1 more source

Cyber-Physical Geographical Information Service-Enabled Control of Diverse In-Situ Sensors

open access: yesSensors, 2015
Realization of open online control of diverse in-situ sensors is a challenge. This paper proposes a Cyber-Physical Geographical Information Service-enabled method for control of diverse in-situ sensors, based on location-based instant sensing of sensors,
Nengcheng Chen   +6 more
doaj   +1 more source

An Automatic Embedded Device Registration Procedure Based on the OGC SensorThings API

open access: yesSensors, 2019
Sensor Web and Internet of Things (IoT) (SW-IoT) have been attracting attention from various fields. Both of them deploy networks of embedded devices to monitor physical properties (i.e., sensing capability) or to be controlled (i.e., tasking capability).
Chih-Yuan Huang, Hsin-Hsien Chen
doaj   +1 more source

A Survey of Geosensor Networks: Advances in Dynamic Environmental Monitoring

open access: yesSensors, 2009
In the recent decade, several technology trends have influenced the field of geosciences in significant ways. The first trend is the more readily available technology of ubiquitous wireless communication networks and progress in the development of low ...
Silvia Nittel
doaj   +1 more source

Geospatial IoT—The Need for Event-Driven Architectures in Contemporary Spatial Data Infrastructures

open access: yesISPRS International Journal of Geo-Information, 2018
The nature of contemporary spatial data infrastructures lies in the provision of geospatial information in an on-demand fashion. Although recent applications identified the need to react to real-time information in a time-critical way, research efforts ...
Matthes Rieke   +8 more
doaj   +1 more source

Enhancing the OGC WPS interface with GeoPipes support for real-time geoprocessing

open access: yesInternational Journal of Digital Earth, 2018
Real-time geospatial information is used in various applications such as risk management or alerting services. Especially, the rise of new sensing technologies also increases the demand for processing the data in real time.
Stefan Herle, Jörg Blankenbach
doaj   +1 more source

Pull-Based Modeling and Algorithms for Real-Time Provision of High-Frequency Sensor Data from Sensor Observation Services

open access: yesISPRS International Journal of Geo-Information, 2016
The widely used pull-based method for high-frequency sensor data acquisition from Sensor Observation Services (SOS) is not efficient in real-time applications; therefore, further attention must be paid to real-time mechanisms in the provision process if ...
Huan Li   +3 more
doaj   +1 more source

SMART CITIES INTELLIGENCE SYSTEM (SMACiSYS) INTEGRATING SENSOR WEB WITH SPATIAL DATA INFRASTRUCTURES (SENSDI) [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
The paper endeavours to enhance the Sensor Web with crucial geospatial analysis capabilities through integration with Spatial Data Infrastructure. The objective is development of automated smart cities intelligence system (SMACiSYS) with sensor-web ...
D. Bhattacharya, M. Painho
doaj   +1 more source

Using SWE Standards for Ubiquitous Environmental Sensing: A Performance Analysis

open access: yesSensors, 2012
Although smartphone applications represent the most typical data consumer tool from the citizen perspective in environmental applications, they can also be used for in-situ data collection and production in varied scenarios, such as geological sciences ...
Joaquín Huerta   +2 more
doaj   +1 more source

Sensor Webs For Environmental Research

open access: yesCoRR, 2012
6 pages, 1 ...
K. A. Nishadh, P. A. Azeez
openaire   +3 more sources

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