Results 301 to 310 of about 16,937,312 (352)
Some of the next articles are maybe not open access.
Delineating and modeling activity space using geotagged social media data
Cartography and Geographic Information Science, 2020It has become increasingly important in spatial equity studies to understand activity spaces – where people conduct regular out-of-home activities. Big data can advance the identification of activity spaces and the understanding of spatial equity.
Lingqian Hu, Zhenlong Li, X. Ye
semanticscholar +1 more source
Spaces for activity, spaces as activity: Physical spaces enabling and upholding civic action
2021Artikkelissa paneudutaan aiheeseen, jonka merkitys on periaatteessa tunnistettu mutta jota on empiirisesti tutkittu vasta vähän: oman tilan merkitykseen kansalaistoimijoille ja kansalaistoiminnan muotoutumiselle. Aihetta havainnollistetaan kahden tapausesimerkin kautta, jotka ovat seurantalot sekä maailmankauppayhdistysten (kehitysmaakauppayhdistysten)
Eskelinen, Teppo, Ryynänen, Sanna
openaire +1 more source
Social Network, Activity Space, Sentiment, and Evacuation: What Can Social Media Tell Us?
Annals of the American Association of Geographers, 2019Hurricanes are one of the most common natural hazards in the United States. To reduce fatalities and economic losses, coastal states and counties take protective actions, including sheltering in place and evacuation away from the coast.
Yuqin Jiang, Zhenlong Li, S. Cutter
semanticscholar +1 more source
Active/space-variant object recognition
Image and Vision Computing, 1995Abstract The problem of object recognition is addressed. In the literature this task has been generally considered in a passive perspective, where everything is static and there is no definite relation between the object and its environment. In this paper, several aspects related to the application of active vision techniques to object recognition ...
openaire +2 more sources
Modeling User Activity Space from Location-Based Social Media: A Case Study of Weibo
, 2020Activity space studies are beneficial for discovering meaningful activity patterns and providing a deeper understanding of human behaviors. There is insufficient research, however, on how reliable location-based social media (LBSM) is as a new data ...
Xujiao Wang, Yihong Yuan
semanticscholar +1 more source
Active Optics for Space Telescopes
Optical Design and Fabrication 2019 (Freeform, OFT), 2019Active optics has been proposed for application to space telescopes since the mid 1960s since it can help to relax manufacturing tolerances while guaranteeing diffraction-limited image quality, correct for thermal gradients and any errors due to launch loads.
openaire +1 more source
OPEN SCIENCE OF UKRAINE, 2023
The use of information technology (IT) has significantly changed space activities. The use of IT in space technology has made it possible to achieve great feats, from launching satellites to exploring other planets. From data collection to developing advanced software systems, IT has enabled space companies to increase productivity, reduce costs and ...
openaire +1 more source
The use of information technology (IT) has significantly changed space activities. The use of IT in space technology has made it possible to achieve great feats, from launching satellites to exploring other planets. From data collection to developing advanced software systems, IT has enabled space companies to increase productivity, reduce costs and ...
openaire +1 more source
German space activity is among the most notable in the world. Germany is active not only in its own as a national space project, but also as a member state of the ESA and a participant in EU space projects. With the increased activity in the space sector, often referred to as New Space, and the changing geopolitical environment, Germany needs to ...
András Edl, Gyula Speck
openaire +1 more source
András Edl, Gyula Speck
openaire +1 more source
Norwegian Space Activities – Arctic Access to Space
Journal of Space Safety Engineering, 2015ABSTRACT Norway has a long tradition as a space nation, in no small measure due to its northern position on the globe. Kristian Birkeland’s famous Terrella experiment in 1896 in which he created synthetic northern lights can be seen as the start of modern space activities.
openaire +1 more source
Italian Space Agency Space Debris Mitigation Activities - Delegation Report
2017Report to IADC WG-4 of the space debris mitigation activities carried out by ASI since the previous IADC plenary meeting.
Vellutini E., Anselmo L.
openaire +5 more sources