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Local Lucene ==================== Provide geographical based searching to lucene in an efficent mannor Contents * Compiling from Source * Using local lucene Author: Patrick O Leary email: pjaol@pjaol.com A white paper on local lucenes usage is available http://www.nsshutdown.com/projects/lucene/wh ...

Designing and implementing a database of geographical information pertaining to the United States, Canada, and Mexico

地理信息系统简称GIS(Geographical Information System)，是六十年代开始迅速 发展起来的地理学研究新技术，是多种学科交叉的产物。地理信息系统是以地理空间数据库为基础，采用地理模型分析方法，适时提供多种空间的和动态的地理信息。即采集编辑、存储管理、处理分析、传输地理数据，以多种形式输出数据和图形产品，为地 ...

According to the statistics of the Federal Communications Commission (FCC), temporal and geographical variations in the utilization of the as- signed spectrum range from 15% to 85%. The limited available radio spec- trum and the inefficiency in spectrum usage necessitate a new commu- nication paradi ...

In a cellular communication system, a service area or a geographical region is divided into a number of cells, and each cell is served by an infrastructure element called the base station through a radio interface. Management of radio interface related resources is a critical design component in cel ...

With the proliferation of cloud computing and Internet online services, more and more data and computation are migrated to geographical distributed Internet data centers (IDCs), which can provide reliability, management, and cost benefits. However, IDC operators encounter several major problems in I ...