2021
DOI: 10.3390/s21175880
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Performance Evaluation of Hybrid Crowdsensing and Fixed Sensor Systems for Event Detection in Urban Environments

Abstract: Crowdsensing offers a cost-effective way to collect large amounts of environmental sensor data; however, the spatial distribution of crowdsensing sensors can hardly be influenced, as the participants carry the sensors, and, additionally, the quality of the crowdsensed data can vary significantly. Hybrid systems that use mobile users in conjunction with fixed sensors might help to overcome these limitations, as such systems allow assessing the quality of the submitted crowdsensed data and provide sensor values … Show more

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Cited by 5 publications
(5 citation statements)
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“…This information can be used in fire prevention [40], the assessment of fire effects [41] and water quality monitoring [42]. Citizen science data are typically combined with other, more reliable sources of data (e.g., lake level data from measurements collected through citizen science with satellite data [43]), or crowdsourced data for event detection in urban environments with fixed sensors, as discussed in [44]. This kind of data is unstructured and requires manual or automatic processing, which means it cannot be used in its raw format.…”
Section: Citizen Sciencementioning
confidence: 99%
“…This information can be used in fire prevention [40], the assessment of fire effects [41] and water quality monitoring [42]. Citizen science data are typically combined with other, more reliable sources of data (e.g., lake level data from measurements collected through citizen science with satellite data [43]), or crowdsourced data for event detection in urban environments with fixed sensors, as discussed in [44]. This kind of data is unstructured and requires manual or automatic processing, which means it cannot be used in its raw format.…”
Section: Citizen Sciencementioning
confidence: 99%
“…In the work presented in Hirth et al, 18 they first used a simulation study to analyze a simple crowdsensing system concerning the detection performance of spatial events to highlight the potential and limitations of a pure crowdsourcing system. The results indicate that even if only a small share of inhabitants participate in crowdsensing, events that have locations correlated with the population density can be easily and quickly detected using such systems.…”
Section: Related Workmentioning
confidence: 99%
“…By making full use of the random mobility of mobile users, MCS allocates tasks to well-suited users, which can enhance the flexibility of ubiquitous sensing and ensure high spatiotemporal coverage. This appealing sensing paradigm, which can effectively achieve urban-scale monitoring, has expanded the scope of the IoT and has been widely used in many IoT applications, such as urban sensing [ 10 , 11 ], intelligent transportation [ 12 , 13 , 14 ], and environmental monitoring [ 15 , 16 ].…”
Section: Introductionmentioning
confidence: 99%