1. Accessing Spatial Information in Resource-constrained and Resource-rich Environments Open Access Author: An, Ning Title: Accessing Spatial Information in Resource-constrained and Resource-rich Environments Graduate Program: Computer Science and Engineering Keywords: Geo-spatially CrawlingCluster ComputingEnergy ProfileSelectivity EstimationSpatial Information File: Download etd.pdf Committee Members: Vijaykrishnan Narayanan, Committee MemberC Lee Giles, Committee MemberDonna Jean Peuquet, Committee MemberAnand Sivasubramaniam, Committee Chair/Co-Chair