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Semantic Caching for Multiresolution Spatial Query Processing in Mobile Environments [chapter]

Sai Sun, Xiaofang Zhou, Heng Tao Shen
2005 Lecture Notes in Computer Science  
for caching MSD in mobile environments.  ...  Spatial data are particularly useful in mobile environments. However, due to the low bandwidth of most wireless networks, developing large spatial database applications becomes a challenging process.  ...  Introduction Spatial data have been increasingly used in mobile environments such as electronic navigation, dynamic map generalization, and location-dependent applications.  ... 
doi:10.1007/11535331_22 fatcat:6aqj252bunacfj4xqtt6v4bcca

NEXUS — positioning and data management concepts for location-aware applications

D Fritsch, D Klinec, S Volz
2001 Computers, Environment and Urban Systems  
The virtual objects act as brokers between the platform and external information sources and services, so that information stored e.g. within the WWW can be structured spatially.  ...  These computers are equipped with sensors for positioning and mobile communication.  ...  Since the management of mobile objects demands for other optimization procedures than the management of rather static objects (as they are usually dealt with in GIS), the storage and processing of NEXUS-related  ... 
doi:10.1016/s0198-9715(00)00026-0 fatcat:rsogsw6jnbbs3p33hw2angxyku


E. Nocerino, F. Lago, D. Morabito, F. Remondino, L. Porzi, F. Poiesi, S. Rota Bulo, P. Chippendale, A. Locher, M. Havlena, L. Van Gool, M. Eder (+4 others)
2017 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The REPLICATE project is tackling this particular issue, and it has an ambitious vision to enable ubiquitous 3D creativity via the development of tools for mobile 3D-assets generation on smartphones/tablets  ...  Experiments so far were concentrated on indoor objects and some simple heritage artefacts, however, in the long term we will be targeting a larger variety of scenarios and communities.  ...  ACKNOWLEDGMENTS This research has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement number 687757.  ... 
doi:10.5194/isprs-archives-xlii-2-w3-535-2017 fatcat:gwo4jwsio5folhgedkfoghprre

A geotemporal role-based authorisation system

Vijayalakshmi Atluri, Soon Ae Chun
2007 International Journal of Information and Computer Security  
to the spatial regions and locational credentials.  ...  The specification of authorisations is based on the spatial and temporal attributes associated with the image data, resolution of the images, geospatial credentials associated with users and privilege  ...  We acknowledge Artigas, MERI, New Jersey Meadowlands Commission, for the information on geospatial satellite images, their analysis and processing; Elefante for providing high-resolution images over the  ... 
doi:10.1504/ijics.2007.012247 fatcat:2vrkbh5c4fh4jeqpvlwefj6qum

Mapping populations at risk: improving spatial demographic data for infectious disease modeling and metric derivation

Andrew J Tatem, Susana Adamo, Nita Bharti, Clara R Burgert, Marcia Castro, Audrey Dorelien, Gunter Fink, Catherine Linard, Mendelsohn John, Livia Montana, Mark R Montgomery, Andrew Nelson (+4 others)
2012 Population Health Metrics  
Finally, a strategy for building an open-access database of spatial demographic data that is tailored to epidemiological applications is put forward.  ...  to estimate infectious disease risks, burdens, and dynamics.  ...  Conclusions Growing trends in research and funding for disease mapping and spatial modeling to derive health metrics and guide strategies are increasing needs for spatial demographic data of similar scope  ... 
doi:10.1186/1478-7954-10-8 pmid:22591595 pmcid:PMC3487779 fatcat:tytgtshbkjbhzpirf7ddoqrxh4

The COVEN Project: Exploring Applicative, Technical, and Usage Dimensions of Collaborative Virtual Environments

Véronique Normand, Christian Babski, Steve Benford, Adrian Bullock, Stéphane Carion, Yiorgos Chrysanthou, Nicolas Farcet, Emmanuel Frécon, John Harvey, Nico Kuijpers, Nadia Magnenat-Thalmann, Soraia Raupp-Musse (+9 others)
1999 Presence - Teleoperators and Virtual Environments  
With different citizen and professional application scenarios as driving forces, COVEN is exploring the requirements and supporting techniques for collaborative interaction in scalable CVEs.  ...  After two years of work, we are presenting the main features of our approach and results: our driving applications, the main components of our technical investigations, and our experimental activities.  ...  "The DIVE files description for DIVE 3.2", Reference Document,  ... 
doi:10.1162/105474699566189 fatcat:b5evjawolrftpp2uzcq6dapv2q

Community-Oriented Primary Care (COPC) in the City of Tshwane (South Africa) — A Web Map Application in Support of Responsive and Dynamic Health Care

Lilija Friesen, Gertrud Schaab, Serena Coetzee, Victoria Rautenbach, Tessa Marcus, Jannie Hugo
2018 KN - Journal of Cartography and Geographic Information  
It is a valuable addition to the mobile application and web reports, and could contribute to more effective and efficient service delivery to meet the specificity of localized needs. • Keywords: web mapping  ...  A purpose-built mobile data collection application is used to plan and implement community-oriented primary care (COPC) in a pilot project in the City of Tshwane (South Africa).  ...  technology region and an African emerging country: The project is supported by a grant from the Baden-Wiirttemberg Stiftung (BWS) under the Baden-Wiirttemberg-STIPENDIUM for university students -BWS plus  ... 
doi:10.1007/bf03545359 fatcat:4lhscnogmrfj7c3a7x53oznevm

Implementable wireless access for B3G networks. I. MIMO mimo channel measurement, analysis, and modeling [Topics in Radio Communications]

Mischa Dohler, Stephen McLaughlin, Dave Laurenson, Mark Beach, Chor Tan, A. Aghvami
2007 IEEE Communications Magazine  
Further information regarding the work of Mobile VCE can be found at http://www. using realistic user devices.  ...  His research interests lie in the fields of adaptive signal processing and nonlinear dynamical systems theory, and their applications to biomedical and communication systems.  ... 
doi:10.1109/mcom.2007.344587 fatcat:go4ad36t3fbd5hud3ux7mi2yf4

Eos, Transactions, American Geophysical Union Volume 90, Number 13, 31 March 2009

2009 EOS  
Migration Interest Group: Research Applied Toward Education ( MIGRATE; http:// www . migrate . ou . edu/) research coordination networks.  ...  Bowen and C. Miller. This is Purdue Climate Change Research Center paper 0910. Acknowledgments We thank the captains, officers, and crews of R/V Poseidon cruise P340 and R/V Meteor cruise M73/2.  ...  This resource will help researchers conduct isotope data exploration, modeling, and spatial analysis in a Web-GIS environment and will provide a platform for sharing models and derived data products within  ... 
doi:10.1029/eost2009eo13 fatcat:5wrg5tf7bngl7alxl2naevlkxm

Rapid Multi-Dimensional Impact Assessment of Floods

David Pastor-Escuredo, Yolanda Torres, María Martínez-Torres, Pedro J. Zufiria
2020 Sustainability  
sources: Environment sensor data, social media, remote sensing, digital topography, and mobile phone data.  ...  An actionable quantification of impact must be integratively multi-dimensional.  ...  Mobile phone data was fully anonymized prior being released for the Challenge. Social media data was used under terms suitable from the data partners.  ... 
doi:10.3390/su12104246 fatcat:jzwnzyvul5dwjoam3htn2blbba

Big Data in Natural Disaster Management: A Review

Manzhu Yu, Chaowei Yang, Yun Li
2018 Geosciences  
Undoubtedly, the age of big data has opened new options for natural disaster management, primarily because of the varied possibilities it provides in visualizing, analyzing, and predicting natural disasters  ...  In a world that is now heavily dependent on information technology, the prime objective of computer experts and policy makers is to make the best of big data by sourcing information from varied formats  ...  Acknowledgments: We thank the anonymous reviewers for their insightful comments, which significantly improved the paper. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/geosciences8050165 fatcat:yucms6qo7nht5krjmnrwrkzy2y

Mapping Essential Urban Land Use Categories in Nanjing by Integrating Multi-Source Big Data

Jing Sun, Hong Wang, Zhenglin Song, Jinbo Lu, Pengyu Meng, Shuhong Qin
2020 Remote Sensing  
High-spatial-resolution (HSR) urban land use maps are very important for urban planning, traffic management, and environmental monitoring.  ...  However, the relatively lower classification accuracy may not sufficiently meet the application demands for specific cities.  ...  Acknowledgments: We express our appreciation to Peng Gong and Bin Chen for their constructive comments.  ... 
doi:10.3390/rs12152386 fatcat:hg2jijvk4ngktgoiawxidosbdy

New Approaches in Embedded Networked Sensing for Terrestrial Ecological Observatories

Michael P. Hamilton, Eric A. Graham, Philip W. Rundel, Michael F. Allen, William Kaiser, Mark H. Hansen, Deborah L. Estrin
2007 Environmental Engineering Science  
the composition, structure, and dynamics of the nation's ecosystems and services.  ...  Observing systems research focused on terrestrial ecology is one of four core research application fields of the Center for Embedded Networked Sensing, which operates an engineering and experimental test  ...  ACKNOWLEDGMENTS The work summarized in this paper is that of students, staff, and faculty of CENS.  ... 
doi:10.1089/ees.2006.0045 fatcat:uyyduamfjbdadlxduizlikuyb4

A Guided Tour of Selected Image Processing and Analysis Methods for Fluorescence and Electron Microscopy

Charles Kervrann, Carlos Oscar Sanchez Sorzano, Scott T. Acton, Jean-Christophe Olivo-Marin, Michael Unser
2016 IEEE Journal on Selected Topics in Signal Processing  
In this paper, we present recent advances in fluorescence and electron microscopy and we focus on dedicated image processing and analysis methods required to quantify phenotypes for a limited number but  ...  A long-term research in bio-imaging at the sub-cellular and cellular scales consists then in inferring the relationships between the dynamics of macromolecules and their functions.  ...  Mukherjee (University of Virginia) for their contributions and assistance.  ... 
doi:10.1109/jstsp.2015.2505402 fatcat:fgbrxtuhsfbobluogllqll6q2e

Geospatial technologies and digital geomorphological mapping: Concepts, issues and research

Michael P. Bishop, L. Allan James, John F. Shroder, Stephen J. Walsh
2012 Geomorphology  
Historically, the power of human visualization was primarily relied upon for analysis, introducing subjectivity and biases with respect to selection of criteria for terrain segmentation and placement of  ...  It involves the partitioning of the terrain into conceptual spatial entities based upon criteria that include morphology (form), genetics (process), composition and structure, chronology, environmental  ...  Acknowledgements We thank the Geography and Spatial Science (GSS) and the Geomorphology and Land Use Dynamics (GLD) programs of the National Science Foundation for funding to help support the 41st Binghamton  ... 
doi:10.1016/j.geomorph.2011.06.027 fatcat:32bmu3u3gvc4vawqmkdn2yo3sq
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