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Sextant: Visualizing Time-Evolving Linked Geospatial Data

Charalampos Nikolaou, Kallirroi Dogani, Konstantina Bereta, George Garbis, Manos Karpathiotakis, Kostis Kyzirakos, Manolis Koubarakis
2015 Social Science Research Network  
In this article, we present Sextant, a Web-based system for the visualization and exploration of time-evolving linked geospatial data and the creation, sharing, and collaborative editing of "temporally-enriched  ...  The linked open data cloud is constantly evolving as datasets are continuously updated with newer versions.  ...  leveraging time-evolving linked geospatial data.  ... 
doi:10.2139/ssrn.3199201 fatcat:uz6t7neosbehhljkcdy36mybye

Sextant: Visualizing time-evolving linked geospatial data

Charalampos Nikolaou, Kallirroi Dogani, Konstantina Bereta, George Garbis, Manos Karpathiotakis, Kostis Kyzirakos, Manolis Koubarakis
2015 Journal of Web Semantics  
We present SexTant, a Web-based system for the visualization and exploration of time-evolving linked geospatial data and the creation, sharing, and collaborative editing of "temporally-enriched" thematic  ...  maps which are produced by combining different sources of such data.  ...  As the real-world entities represented in linked geospatial datasets evolve over time, the datasets themselves get updated and both the spatial and the temporal dimension of data become significant for  ... 
doi:10.1016/j.websem.2015.09.004 fatcat:tbgi44mudzfkvfulyx2smjobze

Special Issue of the Journal of Web Semantics on Geospatial Semantics

Yolanda Gil, Raphael Tröncy
2015 Journal of Web Semantics  
Sextant includes a variety of mapping products and geospatial datasets, which are available as linked data, and has been used in a variety of scenarios, including emergency response and monitoring of environmental  ...  Nikolau, Dogani, Bereta, Garbis, Karpathiotakis, Kyzirakos, and Koubarakis present an approach to visualize the evolution of spatial information in linked data.  ... 
doi:10.1016/j.websem.2015.11.002 fatcat:vyjfojwevjez5lfvpv2itobt74

Ice Monitoring With ExtremeEarth

George Mandilaras, Despina-Athanasia Pantazi, Manolis Koubarakis, Nick Hughes, Alistair Everett, Ashild Kiærbech
2020 Zenodo  
Sextant constitutes a web-based application for exploring, interacting, and visualizing time-evolving linked geospatial data.  ...  this information and knowledge available as linked data.  ... 
doi:10.5281/zenodo.3941660 fatcat:2ttw2i7rdnhbjczwly5rtthsdi

Minerva: User-centered science operations software capability for future human exploration

Matthew Deans, Jessica J. Marquez, Tamar Cohen, Matthew J. Miller, Ivonne Deliz, Steven Hillenius, Jeffrey Hoffman, Yeon Jin Lee, David Lees, Johannes Norheim, Darlene S. S. Lim
2017 2017 IEEE Aerospace Conference  
Minerva provides capabilities for traverse planning and route optimization, timeline generation and display, procedure management, execution monitoring, data archiving, visualization, and search.  ...  context; displays for real-time visualization of vehicle and crew location and activity, system telemetry, and payload data; and an integrated data archive for post-hoc analysis, browsing, and search.  ...  GPS tracking) and generates maps, raster data overlays and 2D plots to visualize payload telemetry and EVA or vehicle position in real-time or simulated delay mode.  ... 
doi:10.1109/aero.2017.7943609 fatcat:zl6qmjj3mzgq7bdeiuqkss75ny

A Framework Uniting Ontology-Based Geodata Integration and Geovisual Analytics

Linfang Ding, Guohui Xiao, Diego Calvanese, Liqiu Meng
2020 ISPRS International Journal of Geo-Information  
Initial studies show that our approach is feasible for the exploration and understanding of heterogeneous geospatial data.  ...  In this framework, ontologies play a central role by providing a coherent view over the heterogeneous data, and by acting as a mediator for visual analysis tasks.  ...  Sextant [54] is a web-based system for the visualization and exploration of time-evolving linked geospatial data.  ... 
doi:10.3390/ijgi9080474 fatcat:l64aa3n3cnde3insjmvsejetta

Conservation Tech Directory [article]

Carly Batist, Gracie Ermi, Gracie Ermie
2022 figshare.com  
organizations, communities, companies, open-source projects and other resources within the conservation technology space.If you know of a resource that's not on this list but should be, fill out the google form (link  ...  visualizer with near-real-time data, has climate alerts (fires, coral reef bleaching, etc.); combines scientific data & engaging visualization techniques with storytelling power of Global Commons Alliance  ...  app with real-time map visualizations, turn-by-turn routing, studio to models to movement data, visualization of data & fitted model & org/web/packages/move Brett McClintock, Eric EU BON acoustic detections  ... 
doi:10.6084/m9.figshare.15442200.v13 fatcat:qgs2d2chsbdo5hflfzwu3p2rzq

SIMWESTMED - Data management guidance document (R17)

M. Abjean, D. Carval
2019 Zenodo  
Data sharing is favored by Maritime Spatial Data Infrastructures (MSDI).  ...  This type of infrastructure improves access to data and provides information on the MSP policies implemented in the neighbouring countries. MSDIs contribute to enable access to data and information.  ...  The last kind of challenge encountered is directly linked to data.  ... 
doi:10.5281/zenodo.2600002 fatcat:5vnygcazjvdwbhqjpx2q2onfyq

SIMNORAT - Data Management Guidance Document (D12)

D. Carval, R. Jarno
2019 Zenodo  
Data sharing is favored by Maritime Spatial Data Infrastructures (MSDI).  ...  high quality maritime spatial data and information.  ...  The last kind of challenge encountered is directly linked to data.  ... 
doi:10.5281/zenodo.2597394 fatcat:esy27fhgcfauniytnbrjejkxyu

Temporal and Spatial Expansion of Urban LOD for Solving Illegally Parked Bicycles in Tokyo

Shusaku EGAMI, Takahiro KAWAMURA, Akihiko OHSUGA
2018 IEICE transactions on information and systems  
We then estimated the temporal missing data in the LOD based on the causal relations from the problem factors and estimated spatial missing data based on geospatial features.  ...  The purpose of this study was to sustainably build Linked Open Data (LOD) to assist in solving the problem of illegally parked bicycles (IPBs) by raising social awareness, in cooperation with the Office  ...  Regarding the estimation of spatial missing data, we will use time information when simulating airflow around train stations in order to improve the estimation accuracy.  ... 
doi:10.1587/transinf.2017swp0010 fatcat:vhy6avppsfegfjekyytpb7gvfm

An overview on current free and open source desktop GIS developments

Stefan Steiniger, Erwan Bocher
2009 International Journal of Geographical Information Science  
Over the past few years the world of free and open source geospatial software has experienced some major changes. For instance, the website FreeGIS.org currently lists 330 GIS-related projects.  ...  Hence, the MapWindow GIS ActiveX control was written in MS Visual C to deliver functionality for display, query and manipulation of spatial data.  ...  Due to the presidential executive order 12906 is public access to geospatial data guaranteed (see section 3c in Clinton 1993 ).  ... 
doi:10.1080/13658810802634956 fatcat:5xr4xb2htjcupbanm2crecv2je

The 2012 free and open source GIS software map – A guide to facilitate research, development, and adoption

Stefan Steiniger, Andrew J.S. Hunter
2013 Computers, Environment and Urban Systems  
and visualization.  ...  Over the last decade an increasing number of free and open source software projects have been founded that concentrate on developing several types of software for geographic data collection, storage, analysis  ...  ., for accessing geospatial data using components from Prototype.  ... 
doi:10.1016/j.compenvurbsys.2012.10.003 fatcat:qeb6mpwwcfhvncfjho3w7lerpm

ENVRI-FAIR D9.3 RI technical specification

Peter Thijsse, Katrina Exter, Alex Vermeulen, Benjamin Pfeil, Thierry Carval, Ivan Rodero, Valérie Harscoat
2020 Zenodo  
The overarching goal of ENVRI-FAIR is that all participating research infrastructures (RIs) will improve their FAIRness and become ready for connection of their data repositories and services to the European  ...  We will use the linked data principles and SeaDataNet directories and vocabularies (linked to cruises, projects, organisations, data sets, etc) • Sextant: Collect and expose structured provenance metadata  ...  The service gathers decentralized data in order to provide search, visualization and subset capabilities on multiple datasets.  ... 
doi:10.5281/zenodo.3885330 fatcat:lgj3za5j3nesphyzlc4b3lk2l4

Modeling and Multiple Perceptions [chapter]

Christine Parent, Stefano Spaccapietra, Esteban Zimányi
2017 Encyclopedia of GIS  
Cross-References Computer Environments for GIS and CAD Movement Patterns in Spatio-Temporal Data Cross-References Geospatial Semantic Web, Interoperability Metadata and Interoperability, Geospatial  ...  Modeling with Pictogrammic Languages OGC's Open Standards for Geospatial Interoperability Vector Data Cross-References Indexing, Query and Velocity-Constrained Privacy Threats in Location-Based Services  ...  Items may evolve in time and a register allows for maintenance and tracking of modifications.  ... 
doi:10.1007/978-3-319-17885-1_805 fatcat:d4t4ossygvcutpfabqn6f3hjcm

A Framework for Exploration and Visualization of SPARQL Endpoint Information

Maria Krommyda
2020 International Journal of Graph Computing  
The SPARQL query language alleviates this barrier by facilitating the exploration of this information and many data providers have created dedicated SPARQL endpoints for their data.  ...  We present here an integrated platform that supports the users to the querying, exploration and visualization of information contained in SPARQL endpoints.  ...  Sextant [62] is a Web-based system for the visualization and exploration of time-evolving linked geospatial data and the creation, sharing, and collaborative editing of temporally-enriched" thematic  ... 
doi:10.35708/gc1868-126723 fatcat:nc5n6fwkjne2rofkajcpz4oczu
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