Results 11 to 20 of about 321,298 (223)

Formalizing spatiotemporal knowledge in remote sensing applications to improve image interpretation

open access: yesJournal of Spatial Information Science, 2013
Technological tools allow the generation of large volumes of data. For example satellite images aid in the study of spatiotemporal phenomena in a range of disciplines, such as urban planning, environmental sciences, and health care.
Christelle Pierkot   +3 more
doaj   +1 more source

A VISUAL ANALYTICS OF MOVEMENT DATA OF A WASTE COLLECTION SERVICE: A TOOL FOR SMART CITIES [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Solid waste management is an important urban issue to be addressed in every city. In the smart city context, waste collection allows massive collection of data representing movements, provided by satellite tracking technologies and sensors on waste ...
A. Moreno   +4 more
doaj   +1 more source

Utilisation de la très haute résolution spatiale pour la caractérisation des habitats de rongeurs, vecteurs de zoonoses à la Réunion

open access: yesRevue Française de Photogrammétrie et de Télédétection, 2015
Connaître la distribution des espèces vectrices de zoonoses est fondamentale pour comprendre les dynamiques épidémiologiques et caractériser les zones à risque.
Christophe Révillion   +8 more
doaj   +1 more source

Some extremely amenable groups [PDF]

open access: yes, 2001
A topological group $G$ is extremely amenable if every continuous action of $G$ on a compact space has a fixed point. Using the concentration of measure techniques developed by Gromov and Milman, we prove that the group of automorphisms of a Lebesgue ...
Giordano, Thierry, Pestov, Vladimir
core   +3 more sources

On the difficulty of finding spines [PDF]

open access: yes, 2018
We prove that the set of symplectic lattices in the Siegel space $\mathfrak{h}_g$ whose systoles generate a subspace of dimension at least 3 in $\mathbb{R}^{2g}$ does not contain any $\mathrm{Sp}(2g,\mathbb{Z})$-equivariant deformation retract of ...
Lacoste, Cyril
core   +5 more sources

Du nouveau au divers

open access: yesFrancosphères, 2022
Le Nouveau Monde reçoit sa nouveauté des empires européens qui baptisent cette région du monde, non pas en fonction de sa situation dans l’espace, mais selon sa position dans le temps. La conquête de l’espace a fondamentalement le sens d’une colonisation
Guillaume Pigeard de Gurbert
doaj   +1 more source

Radical research as research at the roots: Practitioner self-image, public relations and ethics [PDF]

open access: yes, 2008
Semantically, radical derives from ‘radix’, the Latin for root. This paper argues that little public relations research goes back to the roots of actual practice and addresses this neglect through a project focusing on practitioner accounts of their work.
Toledano, Margalit
core   +3 more sources

Astrometric observations of Phobos and Deimos during the 1971 opposition of Mars [PDF]

open access: yes, 2014
Accurate positional measurements of planets and satellites are used to improve our knowledge of their dynamics and to infer the accuracy of planet and satellite ephemerides.
Arlot, J. -E.   +6 more
core   +4 more sources

A Sentinel-1 Based Processing Chain for Detection of Cyclonic Flood Impacts

open access: yesRemote Sensing, 2020
In the future, climate change will induce even more severe hurricanes. Not only should these be better understood, but there is also a necessity to improve the assessment of their impacts.
Cyprien Alexandre   +6 more
doaj   +1 more source

Les âges de la ville : mobilité résidentielle, parcours de vie et attractivité des villes suisses [PDF]

open access: yesGeographica Helvetica
La question de l’attractivité résidentielle des villescentres se pose aujourd’hui avec une acuité renforcée par le succès du modèle de la ville compacte comme alternative à l’étalement urbain.
P. Rérat   +3 more
doaj   +1 more source

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