Transactions in GIS

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Spatial Prediction of Landslide Hazard Using Logistic Regression and ROC Analysis
Transactions in GIS - Tập 10 Số 3 - Trang 395-415 - 2006
Pece V. Gorsevski, Paul E. Gessler, Randy B. Foltz, William J. Elliot
Spatial Prediction of Landslide Hazard Using Fuzzy k-means and Dempster-Shafer Theory
Transactions in GIS - Tập 9 Số 4 - Trang 455-474 - 2005
Pece V. Gorsevski, Piotr Jankowski, Paul E. Gessler
The Effect of DEM Raster Resolution on First Order, Second Order and Compound Terrain Derivatives
Transactions in GIS - Tập 8 Số 1 - Trang 83-111 - 2004
S. W. Kienzle
AbstractIt is well known that the grid cell size of a raster digital elevation model has significant effects on derived terrain variables such as slope, aspect, plan and profile curvature or the wetness index. In this paper the quality of DEMs derived from the interpolation of photogrammetrically derived elevation points in Alberta, Canada, is tested. DEMs with gri...... hiện toàn bộ
Toward Optimal Calibration of the SLEUTH Land Use Change Model
Transactions in GIS - Tập 11 Số 1 - Trang 29-45 - 2007
Charles Dietzel, Keith Clarke
AbstractSLEUTH is a computational simulation model that uses adaptive cellular automata to simulate the way cities grow and change their surrounding land uses. It has long been known that models are of most value when calibrated, and that using back‐casting (testing against known prior data) is an effective calibration method. SLEUTH's calibration uses the brute fo...... hiện toàn bộ
Spatial Differences in Multi‐Resolution Urban Automata Modeling
Transactions in GIS - Tập 8 Số 4 - Trang 479-492 - 2004
Charles Dietzel, Keith Clarke
AbstractThe last decade has seen a renaissance in spatial modeling. Increased computational power and the greater availability of spatial data have aided in the creation of new modeling techniques for studying and predicting the growth of cities and urban areas. Cellular automata is one modeling technique that has become widely used and cited in the literature; yet...... hiện toàn bộ
Understanding the interplay between bus, metro, and cab ridership dynamics in Shenzhen, China
Transactions in GIS - Tập 22 Số 3 - Trang 855-871 - 2018
Mingliang Yue, Chaogui Kang, Clio Andris, Kun Qin, Yu Liu, Qingxiang Meng
AbstractThe most common mass transit modes in metropolitan cities include buses, subways, and taxicabs, each of which contribute to an interconnected complex network that delivers urban dwellers to their destinations. Understanding the intertwined usages of these three transit modes at different places and time allows for better sensing of urban mobility and the bu...... hiện toàn bộ
The Geography, Structure, and Evolution of the GIS Research Community in the US: A Network Analysis from 1992 to 2011
Transactions in GIS - Tập 18 Số 5 - Trang 704-717 - 2014
Liang Mao
AbstractThe research community of Geographic Information Systems and Science (GIS) has been growing rapidly during the ...... hiện toàn bộ
Quality Assessment of the French OpenStreetMap Dataset
Transactions in GIS - Tập 14 Số 4 - Trang 435-459 - 2010
Jean‐François Girres, Guillaume Touya
AbstractThe concept of Volunteered Geographic Information (VGI) has recently emerged from the new Web 2.0 technologies. The OpenStreetMap project is currently the most significant example of a system based on VGI. It aims at producing free vector geographic databases using contributions from Internet users. Spatial data quality becomes a key consideration in this c...... hiện toàn bộ
Supporting Accessibility for Blind and Vision‐impaired People With a Localized Gazetteer and Open Source Geotechnology
Transactions in GIS - Tập 16 Số 2 - Trang 177-190 - 2012
Matthew Rice, Ahmad O. Aburizaiza, Jacques Tisseau, Brandon M. Shore, Fabiana I. Paez
AbstractDisabled people, especially the blind and vision‐impaired, are challenged by many transitory hazards in urban environments such as construction barricades, temporary fencing across walkways, and obstacles along curbs. These hazards present a problem for navigation, because they typically appear in an unplanned manner and are seldom included in databases use...... hiện toàn bộ
A Characteristic‐Hull Based Method for Home Range Estimation
Transactions in GIS - Tập 13 Số 5-6 - Trang 527-537 - 2009
Joni Downs, Mark W. Horner
AbstractRecent literature has reported inaccuracies associated with some popular home range estimators such as kernel density estimation, especially when applied to point patterns of complex shapes. This study explores the use of characteristic hull polygons (CHPs) as a new method of home range estimation. CHPs are special bounding polygons created in GIS that can ...... hiện toàn bộ
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