Výsledky vyhledávání - database publications— spatial databases AND gis general terms algorithms

Query-aware location anonymization for road networks Autor Chow, Chi-Yin, Mokbel, Mohamed F., Bao, Jie, Liu, Xuan

“… Our algorithm relies on the commonly used concept of spatial cloaking, where a user location is cloaked into a set of connected road segments of a minimum total length including at least users. Our algorithm is “query-aware…”
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Location-Based Data Dissemination for Spatial Queries in Wireless Broadcast Environments Autor Park, Kwangjin, Choo, Hyunseung

“… In this paper, we present broadcast-based spatial query processing algorithms designed to support k-NN （k-Nearest Neighbor…”
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Topological operators: a relaxed query processing approach Autor Belussi, Alberto, Catania, Barbara, Podestà, Paola

“…Relaxation and approximation techniques have been proposed as approaches for improving the quality of query results, in terms of completeness and accuracy, in environments where the user may not be…”
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Retrospective analysis of spatial and temporal variability of chlorophyll-a in the Curonian Lagoon Autor Bresciani, Mariano, Giardino, Claudia, Stroppiana, Daniela, Pilkaitytė, Renata, Zilius, Mindaugas, Bartoli, Marco, Razinkovas, Artūras

“… In this study a series of MERIS Full Resolution (FR) satellite images acquired between 2004 and 2009 during summer periods were used to assess the temporal evolution and spatial variability of the lagoon water quality in terms…”
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An analytic solution to the alibi query in the space-time prisms model for moving object data Autor Kuijpers, Bart, Grimson, Rafael, Othman, Walied

“…Moving objects produce trajectories, which are stored in databases by means of finite samples of time-stamped locations…”
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Multi-city sustainable regional urban growth simulation—MSRUGS: a case study along the mid-section of Silk Road of China Autor Xie, Yichun, Fan, Siyu

“…Urban growth along the middle section of the ancient silk-road of China (so called West Yellow River Corridor—He-Xi Corridor) has taken a unique path deviating…”
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Deriving principal channel metrics from bank and long-profile geometry with the R package cmgo Autor Golly, Antonius, Turowski, Jens M.

“…Landscape patterns result from landscape forming processes. This link can be exploited in geomorphological research by reversely analyzing the geometrical…”
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