Results 41 to 50 of about 67,316 (309)
Exploring Data Model Relations in OpenStreetMap
Future Internet, 2017 The OpenStreetMap (OSM) geographic data model has three principal object types: nodes (points), ways (polygons and polylines), and relations (logical grouping of all three object types to express real-world geographical relationships).
Hippolyte Pruvost, Peter Mooney
doaj +1 more source
The Nature of Volunteered Geographic Information
, 2016 This contribution starts from the assumption that volunteered geographic information is a technological, cultural and scientific innovation. It therefore offers first some general background on the context that has fuelled the development of VGI and the lively scientific debates that have accompanied its success. The paper then focuses on the nature of
Ostermann Frank +6 more
openaire +5 more sources
Volunteered geographic information in crisis management [PDF]
, 2017 During the disaster, rescue groups are responsible for tasks that require different types of information to optimize their activities. Preparation and distribution of information are very sensitive. The acquisition of new data and events such as degraded
Azizkhani, Mostafa +3 more
core
Phenotyping Healthcare Use 2–3 Decades Before the First Multiple Sclerosis Demyelinating Event
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Phenotype hospital, physician, and emergency department (ED) visits by diagnoses and specialty up to 29 years pre‐multiple sclerosis (MS) onset versus a matched population without MS. Methods We identified people with MS (PwMS) using population‐based administrative data from Ontario, Canada (1991–2020).
Helen Tremlett +8 more
wiley +1 more source
A Holistic View on Volunteered Geographic Information
Proceedings of the ICA, 2023 Abstract. With the rise of web and online mapping technologies since the early 2000s, Volunteered Geographic Information (VGI) has emerged as a significant resource for generating and disseminating diverse geographic data. VGI can be characterized in multiple ways, depending on factors such as data nature, contribution purpose, collection methods, and ...
openaire +2 more sources
A conceptual model of the automated credibility assessment of the volunteered geographic information [PDF]
, 2014 The use of Volunteered Geographic Information (VGI) in collecting, sharing and disseminating geospatially referenced information on the Web is increasingly common.
Idris, Nurul Hawani +2 more
core +1 more source
Advanced Science, EarlyView.A healthcare toilet system is introduced to passively measure defecation behavior. Real‐time data on stool dropping duration, thickness, and a newly defined “eu‐tenesmus” interval show correlations with stool form and gender differences. Results from 45 defecation events reveal a promising method for comprehensive defecation analysis.
Zhiquan Song +16 more
wiley +1 more source
Designing a Volunteered Geographic Information System for Road Data Validation
Proceedings, 2019 The objective of this work is to build a Volunteered Geographic Information System (VGIS) using a methodological design process. The VGIS design focuses on coordinating its three main components—project (organization), participants (community), and
José Pablo Gómez-Barrón +2 more
doaj +1 more source
A Survey of Volunteered Open Geo-Knowledge Bases in the Semantic Web
, 2013 Over the past decade, rapid advances in web technologies, coupled with innovative models of spatial data collection and consumption, have generated a robust growth in geo-referenced information, resulting in spatial information overload.
A. Ballatore +70 more
core +1 more source
Citizen-based sensing of crisis events: sensor web enablement for volunteered geographic information [PDF]
, 2011 Thanks to recent convergence of greater access to broadband connections, the availability of Global Positioning Systems in small packages at affordable prices and more participative forms of interaction on the Web (Web 2.0), vast numbers of individuals ...
Cox, Simon +7 more
core +1 more source