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IMPROVE ON DIJKSTRA SHORTEST PATH ALGORITHM FOR HUGE DATA
GIS Network Network analysis Shortest path analysis Dijkstra
2016/3/17
This paper introduces the classical Dijkstra algorithm in detail, and illustrates the method of implementation of the algorithm and the disadvantages of the algorithm: the network nodes requiresquare-...
AN ALGORITHM ABOUT ASSOCIATION RULE MINING BASED ON SPATIAL AUTOCORRELATION
Geographical information science Statistical analysis Data mining Geography Spatial association rule spatial auto-correlation
2015/12/23
Most spatial data in GIS are not independent, they have high autocorrelation. For example, temperatures of nearby locations are often related. Most of the spatial association rule mining algorithms de...
An Improved Real 3D A* Algorithm for Difficult Path Finding Situation
GIS Three-dimensional A* Algorithms Urban Space
2015/12/17
Path finding requirement for people under restricted situation is difficult to meet. Traditional routing solution such as A* algorithm is not suitable for the restricted area. For routing requirement ...
A New Restitution Algorithm to Solve the Multipath Fading Problem in Aerial Communication
Aerial Communication Information Theory Simulation Restitution Algorithm
2015/12/2
The thesis focuses on the multipath fading problem in aerial communication. At the beginning of this paper, we build the model of the aerial communication channel and complete the analysis on the esse...
on a New Model and Algorithm to Estimate Geographical Similarity between Document and Query in GIR System
Spatial Information Science GIS Information Service Information Retrieval
2015/12/2
The usage of single geographical footprint model in existing Geographical Information Retrieval (GIR) system will cause many problems like overestimation or underestimation of the geographical scopes ...
Automatic Interpretation of Vector Databases with a Raster-based Algorithm
GIS Analysis Vector Interpretation Data Mining
2015/12/2
Clustering spatial data can be interpreted as a segmentation or classification process for finding meaningful patterns in geospatial databases. Such patterns can be used to adapt further algorithms to...
An Indirect Generalization of Contour Lines Based on DEM Generalization Using the 3D Douglas-Peucker Algorithm
Cartography GIS, Algorithm DEM/DTM Geomorphology Global Generalization
2015/11/23
In order to simplify the generalization of contour lines during the compilation of maps at smaller scales, an indirect method is put forward based on the generalization of the corresponding DEM first ...
TRAVELING SALESPERSON APPROXIMATION ALGORITHM FOR REAL ROAD NETWORKS
Traveling Salespersons Problem Christofides algorithm Shortest path Transportation network Optimal tour GIS
2015/8/10
Traveling salespersons problem (TSP) is one of the unsolved problems of the day that carry significant value to the transportation networks. The exact solution of a Traveling salespersons problem is n...
Evaluation of Indexing Overlay, Fuzzy Logic and Genetic Algorithm Methods for Industrial estates Site Selection In Gis Environment
GIS Site Selection Model
2015/7/14
One of the main parameters which is helpful for industrial development in each country is land use mapping. With respect to land
use mapping and industrial development strategies, managers as decisio...
An Algorithm for Centreline Extraction Using Natural Neighbour Interpolation
acquisition GIS integration
2015/7/9
Data caption and conversion are two of the most costly operations of any GIS, in terms of computer time and manual work needed for
spatial data acquisition. They can represent up to 80 percent of the...
An Efficient and Robust Genetic Algorithm Approach for Automated Map Labeling
genetic algorithm label placement
2015/7/7
This paper put forward an new solution, which adopted the genetic algorithm to obtain the global optimal solution (approximate) of
automated label placement of point feature. In the paper, the basic ...
Reseach on A Gis-based Automatic Generation Algorithm for River Boundary Adaptive Irregular Meshes
GIS Hydrology Integration
2015/7/7
Volume-fitted meshes have been widely used in different kinds of hydrodynamic models as well as in many hydro-mechanical
models. A new method based on geographic information systems (GIS) has been pr...
Although increasing population in Turkey agricultural lands have not been expanded, thus, agricultural lands should be used
more effectively. Therefore, Land consolidation is the most important work...
RESEARCH ON THE LAYERING A* ALGORITHM FOR REAL-TIME NAVIGATION
Embedded GIS Route Programming A Algorithm Road Network
2015/5/21
According to the existing problems in the applications of embedded navigation, this paper designs the hierarchical search A*algorithm, based on the transferring road network, to meet the need of real-...
Development of Gis Tool for the Solution of Minimum Spanning Tree Problem using Prim's Algorithm
Transportation Network GIS Tool Minimum Spanning Tree (MST) Prim’s Algorithm Network Analysis
2014/12/16
minimum spanning tree (MST) of a connected, undirected and weighted network is a tree of that network consisting of all its nodes and the sum of weights of all its edges is minimum among all such poss...