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Pattern-mining approach for conflating crowdsourcing road networks with POIs / Bisheng Yang in International journal of geographical information science IJGIS, vol 29 n° 5 (May 2015)
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Titre : Pattern-mining approach for conflating crowdsourcing road networks with POIs Type de document : Article/Communication Auteurs : Bisheng Yang, Auteur ; Yunfei Zhang, Auteur Année de publication : 2015 Article en page(s) : pp 786 - 805 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG
[Termes IGN] acquisition de données
[Termes IGN] appariement de données localisées
[Termes IGN] conflation
[Termes IGN] données localisées
[Termes IGN] données localisées des bénévoles
[Termes IGN] données multisources
[Termes IGN] exploration de données
[Termes IGN] graphe
[Termes IGN] point d'intérêt
[Termes IGN] précision du positionnement
[Termes IGN] précision géométrique (imagerie)
[Termes IGN] précision sémantique
[Termes IGN] qualité des données
[Termes IGN] réseau routier
[Termes IGN] squelettisationRésumé : (Auteur) Crowdsourcing geospatial data mainly collected by public citizens have brought about a profound transformation on data acquisition and utilization. However, the unpredictable positional accuracies, unstructured semantic descriptions, and invalid spatial relations occur to crowdsourcing geospatial data, causing difficulties for conflating heterogeneous data sets collected by different professional agencies or volunteers. We thus propose a novel pattern-mining approach to conflate crowdsourcing road networks with points of interest (POIs) geometrically and semantically. The proposed method mines the geometric patterns between road networks and POIs respectively and generates the pattern-related skeleton graphs for them. Then, corresponding points are determined between the two skeleton graphs to align POIs and road networks geometrically, and the road-related semantic data between the associated POIs and the road segments are compared to check the data quality of POIs and infer the road names of the road segments. Experimental results show the advantages of our proposed method, demonstrating a functional and promising solution for enriching POIs and road network geometrically and semantically. Numéro de notice : A2015-593 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2014.997238 En ligne : https://doi.org/10.1080/13658816.2014.997238 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=77883
in International journal of geographical information science IJGIS > vol 29 n° 5 (May 2015) . - pp 786 - 805[article]Urbanization of the United States over two centuries: an approach based on a long-term database (1790–2010) / Anne Bretagnolle in International journal of geographical information science IJGIS, vol 29 n° 5 (May 2015)
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Titre : Urbanization of the United States over two centuries: an approach based on a long-term database (1790–2010) Type de document : Article/Communication Auteurs : Anne Bretagnolle, Auteur ; François Delisle, Auteur ; Hélène Mathian, Auteur Année de publication : 2015 Article en page(s) : pp 850 - 867 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] analyse comparative
[Termes IGN] analyse diachronique
[Termes IGN] base de données urbaines
[Termes IGN] cohérence des données
[Termes IGN] croissance urbaine
[Termes IGN] données multitemporelles
[Termes IGN] Etats-Unis
[Termes IGN] zone urbaineRésumé : (Auteur) This paper presents an original methodology for the construction of a harmonized database for urban areas in the United States from 1790 to 2010 (a period with a census every 10 years, amounting to 23 dates). Upstream, this method is based on a theoretical choice, the use of a spatio-temporal reference frame to construct urban areas over the long term, defined by a maximum range of one hour’s travel for each period. We used an automatic aggregation from a Reilly model. Urban measures (growth, concentration) derived from this harmonized database are then presented, providing a unified picture of urbanization in the United States over more than two centuries. They are compared with results derived from more classical databases established using the official figures from the Census Bureau, or from other constructions differing from the present system. The results diverge considerably in some instances, which confirms the impact of the method of delineation of geographical areas in measures of growth. Numéro de notice : A2015-595 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2014.999681 En ligne : https://doi.org/10.1080/13658816.2014.999681 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=77886
in International journal of geographical information science IJGIS > vol 29 n° 5 (May 2015) . - pp 850 - 867[article]Center-of-mass corrections for sub-cm-precision laser-ranging targets: Starlette, Stella and LARES / Toshimichi Otsubo in Journal of geodesy, vol 89 n° 4 (April 2015)
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Titre : Center-of-mass corrections for sub-cm-precision laser-ranging targets: Starlette, Stella and LARES Type de document : Article/Communication Auteurs : Toshimichi Otsubo, Auteur ; Robert A. Sherwood, Auteur ; Graham M. Appleby, Auteur ; et al., Auteur Année de publication : 2015 Article en page(s) : pp 303 - 312 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale
[Termes IGN] données LARES
[Termes IGN] données Starlette
[Termes IGN] données Stella
[Termes IGN] géodésie physique
[Termes IGN] masse de la Terre
[Termes IGN] précision des données
[Termes IGN] télémétrie laser sur satelliteRésumé : (auteur) To realize the full potential of satellite laser ranging for accurate geodesy, it is crucial that all systematic effects in the measurements are taken into account. This paper derives new values for the so-called center-of-mass corrections for three geodetic satellites that are regularly tracked and used in geodetic studies. Optical responses of the twin satellites, Starlette and Stella, and the LARES satellite are retrieved from kHz single-photon laser-ranging data observed at Herstmonceux and Potsdam. The detection timing inside single-photon systems, C-SPAD-based systems and photomultiplier-based systems is numerically simulated, and the center-of-mass corrections are derived to be in the range of 74 to 82 mm for Starlette and Stella, and 127–135 mm for LARES. The system dependence is below 1 cm, but should not be ignored for millimeter accuracy. The longtime standard center-of-mass correction 75 mm of Starlette and Stella is revealed to be too small for the current laser-ranging stations on average, which is considered to have resulted in a non-negligible systematic error in geodetic products. Numéro de notice : A2015-339 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-014-0776-y Date de publication en ligne : 13/11/2014 En ligne : https://doi.org/10.1007/s00190-014-0776-y Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=76708
in Journal of geodesy > vol 89 n° 4 (April 2015) . - pp 303 - 312[article]A geographic approach for combining social media and authoritative data towards identifying useful information for disaster management / João Porto de Albuquerque in International journal of geographical information science IJGIS, vol 29 n° 4 (April 2015)
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Titre : A geographic approach for combining social media and authoritative data towards identifying useful information for disaster management Type de document : Article/Communication Auteurs : João Porto de Albuquerque, Auteur ; Benjamin Herfort, Auteur ; Alexander Brenning, Auteur ; Alexander Zipf, Auteur Année de publication : 2015 Article en page(s) : pp 667 - 689 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web
[Termes IGN] acquisition de données
[Termes IGN] Allemagne
[Termes IGN] données issues des réseaux sociaux
[Termes IGN] données localisées des bénévoles
[Termes IGN] Elbe (fleuve)
[Termes IGN] géopositionnement
[Termes IGN] gestion de crise
[Termes IGN] inondation
[Termes IGN] qualité des données
[Termes IGN] risque naturel
[Termes IGN] TwitterRésumé : (Auteur) In recent years, social media emerged as a potential resource to improve the management of crisis situations such as disasters triggered by natural hazards. Although there is a growing research body concerned with the analysis of the usage of social media during disasters, most previous work has concentrated on using social media as a stand-alone information source, whereas its combination with other information sources holds a still underexplored potential. This article presents an approach to enhance the identification of relevant messages from social media that relies upon the relations between georeferenced social media messages as Volunteered Geographic Information and geographic features of flood phenomena as derived from authoritative data (sensor data, hydrological data and digital elevation models). We apply this approach to examine the micro-blogging text messages of the Twitter platform (tweets) produced during the River Elbe Flood of June 2013 in Germany. This is performed by means of a statistical analysis aimed at identifying general spatial patterns in the occurrence of flood-related tweets that may be associated with proximity to and severity of flood events. The results show that messages near (up to 10 km) to severely flooded areas have a much higher probability of being related to floods. In this manner, we conclude that the geographic approach proposed here provides a reliable quantitative indicator of the usefulness of messages from social media by leveraging the existing knowledge about natural hazards such as floods, thus being valuable for disaster management in both crisis response and preventive monitoring. Numéro de notice : A2015-591 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2014.996567 En ligne : http://www.tandfonline.com/doi/full/10.1080/13658816.2014.996567 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=77878
in International journal of geographical information science IJGIS > vol 29 n° 4 (April 2015) . - pp 667 - 689[article]Measuring the reliability of wheelchair user route planning based on volunteered geographic information / Pascal Neis in Transactions in GIS, vol 19 n° 2 (April 2015)
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Titre : Measuring the reliability of wheelchair user route planning based on volunteered geographic information Type de document : Article/Communication Auteurs : Pascal Neis, Auteur Année de publication : 2015 Article en page(s) : pp 188 – 201 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web
[Termes IGN] accessibilité
[Termes IGN] calcul d'itinéraire
[Termes IGN] données localisées des bénévoles
[Termes IGN] fiabilité des données
[Termes IGN] handicap
[Termes IGN] personne en fauteuil-roulantRésumé : (auteur) The development of a wheelchair user friendly route planning application inherits a number of special requirements and details that need to be considered during the generation of the routing graph and the corresponding algorithm, making this task much more complex than car or pedestrian related applications. Each wheelchair type and, more importantly, each individual user might have different needs with regards to the way condition or other criteria. This study proposes a new approach to route planning for wheelchair users tailored for individual and personal requirements provided by the user and the calculation of a reliability factor of the computed wheelchair path. The routing graph is based on the freely available Volunteered Geographic Information (VGI) retrieved from the OpenStreetMap (OSM) project. The newly created algorithm is evaluated and tested for a selected area in Bonn, Germany. A new reliability factor is introduced that gives direct feedback about the quality of the generated path. Similar factor estimations can also be utilized for multiple route planning applications where VGI or other commercial or administrative data is implemented and more detailed factors than a simple geometric representation of a street network are of importance. Numéro de notice : A2015-675 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1111/tgis.12087 En ligne : http://dx.doi.org/10.1111/tgis.12087 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=78300
in Transactions in GIS > vol 19 n° 2 (April 2015) . - pp 188 – 201[article]Appariement hiérarchique de réseaux hydrographiques imparfaits / Benoit Costes in Revue internationale de géomatique, vol 25 n° 1 (mars - mai 2015)
PermalinkLa commission cartographique ottomane, de sa création à la première guerre mondiale (1909-1919) / Ségolène Débarre in Cartes & Géomatique, n° 223 (mars 2015)
PermalinkAssessing the completeness of bicycle trail and lane features in OpenStreetMap for the United States: Completeness of bicycle features in OpenStreetMap / Hartwig H. Hochmair in Transactions in GIS, vol 19 n° 1 (February 2015)
PermalinkRank-based strategies for cleaning inconsistent spatial databases / Nieves R. Brisaboa in International journal of geographical information science IJGIS, vol 29 n° 2 (February 2015)
PermalinkExtending the reach of SBAS : Some aspects of EGNOS performance in Ukraine / Valeriy Konin in Inside GNSS, vol 10 n° 1 (January - February 2015)
PermalinkGalileo orbit determination using combined GNSS and SLR observations / Stefan Hackel in GPS solutions, vol 19 n° 1 (January 2015)
PermalinkAn aggregated graph to qualify historical spatial networks using temporal patterns detection / Benoit Costes (2015)
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PermalinkAssessing forest inventory information obtained from different inventory approaches and remote sensing data sources / Even Bergseng in Annals of Forest Science, vol 72 n° 1 (January 2015)
PermalinkBayesian belief networks as a versatile method for assessing uncertainty in land-change modeling / Carsten Krüger in International journal of geographical information science IJGIS, vol 29 n° 1 (January 2015)
PermalinkDetection and correction of inconsistencies between river networks and contour data by spatial constraint knowledge / Tinghua Ai in Cartography and Geographic Information Science, Vol 42 n° 1 (January 2015)
PermalinkDetection of potential updates of authoritative spatial databases by fusion of Volunteered Geographical Information from different sources / Stefan Ivanovic (2015)
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PermalinkEnrichissement des géodonnées spatio-temporelles de référence de la direction de la mensuration officielle à partir des archives existantes / Félix Roussel (2015)
PermalinkEvaluation de la technologie des caméras 3D (Kinect 2) pour la mesure et la reconstruction d’objets à courte portée / Elise Lachat (2015)
PermalinkPermalinkGeo-spatial modelling with unbalanced data: modelling the spatial pattern of human activity during the Stone Age / Jaroslav Jasiewicz in Open geosciences, vol 7 n° 1 (January 2015)
PermalinkHomogeneous geovisualization of coastal areas from heterogeneous spatio-temporal data / Antoine Masse (2015)
PermalinkPermalinkMatching disparate geospatial datasets and validating matches using spatial logic / Heshan Du (2015)
PermalinkPermalinkOpenStreetMap in GIScience : experiences, research, and applications. Inferring the Scale of OpenStreetMap Features / Guillaume Touya (2015)
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