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University of Massachusetts Amherst
Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings
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- Social and Behavioral Sciences (4)
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Articles 1 - 6 of 6
Full-Text Articles in Engineering
The Analysis And Deployment Of A Fully Open Monitoring System In The Sri Lankan Deduroya Basin: The 4onse Project, Massimiliano Cannata, Daniele Strigaro, Imran Shahid, Rangajeewa Ratnayake, B.H. Sudantha
The Analysis And Deployment Of A Fully Open Monitoring System In The Sri Lankan Deduroya Basin: The 4onse Project, Massimiliano Cannata, Daniele Strigaro, Imran Shahid, Rangajeewa Ratnayake, B.H. Sudantha
Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings
The 4onse project studies non-conventional monitoring systems fully based on open technologies (hardware, standard protocols, software and data) for the management of resources and natural hazards in developing countries. After the design of hydro-meteorological stations and software for the collection, management and distribution of data, the study involves the installation of 30 stations in the Deduroya Oya river basin in Sri Lanka. The system will be analysed to fully understand the real cost of ownership, data quality and applicability in real situations. If properly validated, these systems can provide an alternative solution, effective and sustainable for the protection of property …
Ndvi And Lst Extraction Of Modis Data Under A Gis Open Source Application - Rickettsia Study Case In Angola, Ana Cláudia Teodoro, Lia Duarte, Patrícia Barradas, T. L. Mateus, Zoraima Neto
Ndvi And Lst Extraction Of Modis Data Under A Gis Open Source Application - Rickettsia Study Case In Angola, Ana Cláudia Teodoro, Lia Duarte, Patrícia Barradas, T. L. Mateus, Zoraima Neto
Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings
Fevers of unknown origin can have different aetiologies. The overlapping symptomatology of rickettsial infection and other endemic diseases that cause fever leads to a misdiagnosis or under-diagnosis of spotted fever group of Rickettsia (SFGR).
To better understand the epidemiology of this vector-borne disease in Angola, a comprehensive seroprevalence study was conducted investigating the exposure to SFGR in a sample of 92 febrile, Malaria and Yellow Fever negative human plasma specimen, collected to the study of the national surveillance of febrile syndromes between 2016 and 2017, in Angola.
The seroprevalence of IgG antibodies against SFG Rickettsia in humans was calculated by …
Crowdsourcing The Georeferencing Of Historical Pictures, Timothée Produit, Nicolas Blanc, Sarah Composto, Jens Ingensand, Loic Furhoff
Crowdsourcing The Georeferencing Of Historical Pictures, Timothée Produit, Nicolas Blanc, Sarah Composto, Jens Ingensand, Loic Furhoff
Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings
Countless organizations own archive pictures which are not used due to the difficulty of localizing them. Only the participation of volunteers can help to identify the image content. Through an accessible web interface called smapshot, citizens are able to georeference historical images without any prior specific competence. To avoid the volunteers to face the complexity of 3D digitization and navigation, we implemented a state of the art photogrammetry camera orientation algorithm in the platform. Currently several thousand images from all around Switzerland have been georeferenced by the crowd. At this time the tool is mainly used by the population for …
Istsos Version 3, Cannata Massimiliano, Milan Antonovic, Daniele Strigaro, Mirko Cardoso
Istsos Version 3, Cannata Massimiliano, Milan Antonovic, Daniele Strigaro, Mirko Cardoso
Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings
istSOS version 3 is a new full stack open source application framework that, implementing the Sensor Observation Service standard from the OGC and including some special features, offers the capability to manage and disseminate observation from sensors networks. istSOS3 has been redesigned with the mission to solve the problems of high loads environments and quality of service. After some recent researches that have shown that istSOS version 2 is not adequate to meet high demanding environment in terms of high concurrency, big data and performance, istSOS version 3 has been rewritten from ground up taking advantages from the latest technologies …
Robust Railroad Cable Detection In Rural Areas From Mls Point Clouds, Máté Cserép, Péter Hudoba, Zoltán Vincellér
Robust Railroad Cable Detection In Rural Areas From Mls Point Clouds, Máté Cserép, Péter Hudoba, Zoltán Vincellér
Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings
Monitoring of the railroad infrastructure is crucial for safety concerns and accident prevention. This task requires regular surveillance which is nowadays still carried out by expensive and time consuming manual visual inspections in many countries. The problem of railroad cable recognition (contact cables, catenary cables, return current cables) in rural areas based on LiDAR point clouds has it own methods, but current state of the art solutions suffer from extremely high computational load due the extensive size of the datasets. In this study we analyzed and compared novel robust solutions focusing on minimizing the assumptions (positions and distances of track …
The Construction Of Open Data Portal Using Dkan For Integrate To Multiple Japanese Local Government Open Data, Toshikazu Seto, Yoshihide Sekimoto
The Construction Of Open Data Portal Using Dkan For Integrate To Multiple Japanese Local Government Open Data, Toshikazu Seto, Yoshihide Sekimoto
Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings
In recent years, the Code for Japan, a civic tech community in Japan, has focused on the context of the FOSS4G. Consequently, the Japanese have published open data in more than 150 local governments, but these data are almost simply provided as a file on their website. And also CKAN portal are used less than 20 cities. In this study, we built open data platform that uses DKAN for integrated open data distribution of Japanese local governments.