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In the paper improved matrix model of the subpixel imaging process by optical scanner is proposed. The possibility of the resolution images increasing up to 2 times relatively a simple image formation is shown. A comparative evaluation of the noise immunity of proposed algorithm is conducted.
This study presents an assessment of multiple approaches to determine the home and/or other important locations to a Twitter user. In this study, we present a unique approach to the problem of geotagged data sparsity in social media when performing geoinferencing tasks. Given the sparsity of explicitly geotagged Twitter data, the ability to perform accurate and reliable user geolocation from a limited...
The identification of influential nodes in complex network can be very challenging. If the network has a community structure, centrality measures may fail to identify the complete set of influential nodes, as the hubs and other central nodes of the network may lie inside only one community. Here we define a bipartite clustering coefficient that, by taking differently structured clusters into account,...
POLAR is an experimental test-bed visualisation tool for Patterns of Life analysis, developed on the basis of knowledge elicitation with stakeholders. It uses multiple and coordinated views for exploring geo-temporal datasets. The system has three modes of interaction for addressing different kinds of PoL questions. It supports the exploration of movement patterns with resolutions ranging from intercontinental...
Traditional paper maps display information following the well-known rules based on experiences gathered during centuries. Nowadays, more and more geospatial information is represented in digital form and we have to face new challenges when trying to find the best solution for the geovisualization. The Hungarian Digital Toponym Registry is developed due to a cross-discipliner collaboration to store,...
Willis is a leading global insurance & reinsurance broker. We develop and deliver insurance, reinsurance, risk management, and actuarial services to corporations, public entities and institutions around the world. Willis Re is one of the world's leading reinsurance brokers, known for its analytic capabilities. Willis Re serves the risk management and risk transfer needs of a diverse, global client...
• What is the primary purpose for assessing and communicating the socioeconomic benefits of geospatial information? • What types of socio-economic information/metrics should be used? • How can we quantify the impact of value studies? • What techniques work best to communicate the socio-economic benefits to different target audiences?
▸ There needs to be clear reasons and understanding for undertaking a socio-economic benefits studies ▸ Return on Investment analysis should be built into a project at the onset and should not be an afterthought ▸ Timing for undertaking a socio/economic study is critical — need pairing with budget cycle ▸ Need to ensure commitment from decision-makers with respect to implementing study findings and...
This paper presents an approach for detecting duplicate records in the context of digital gazetteers, using a state-of-the-art machine learning technique. It reports on a thorough evaluation of a machine learning approach designed for the task of classifying pairs of gazetteer records as either duplicates or not, built by using Random Forests and leveraging on different combinations of similarity...
Institutions of higher education in the U.S. are increasing their use of project-based courses and experiential learning using projects or service in other countries. Project-based instruction provides students with an opportunity to make connections between the classroom and the world around them. Research suggests that fieldwork strongly enhances curriculum instruction and provides additional learning...
The METASCHOOL project aims to improve the training of school teachers and school ICT staff on topics related to the organisation, sharing, use and re-use of digital learning resources that can be accessed online through learning repositories.. For Web 2.0 technologies is main focus on active using Wiki based principles. For geospatial technologies there are two selected cases. First use case is focused...
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