作者: Pedro Szekely , Craig A. Knoblock , Shubham Gupta , Mohsen Taheriyan , Bo Wu
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摘要: Using today's GIS tools, users without programming expertise are unable to fully exploit the growing amount of geospatial data becoming available because tools limit them displaying as layers for a region on map. Fusing in more complex ways requires ability invoke processing algorithms and combine these produce sophisticated ways. Our approach, implemented tool called Karma, encapsulates Web services described using semantic models that not only specify types inputs outputs, but also relationships between them. Karma semi-automatically builds from sample then uses provide an easy use interface lets seamlessly implement workflows process