大数据与城市计算最好的参考材料，请大家认真阅读和指正。-Big data and calculate the best city reference material, please carefully read and corrected.

简单的大数定义和计算，包括大数存储结构和加减乘除计算-A large number of definitions and simple calculation, including big data storage structure and add, subtract, multiply and divide calculation

大数据文件,核心库,大数据开发用，要改成jar后缀(bigdata jar pakage,the .jar file for bigdata development)