As algebra way and map way can not simplify the given large scale logical function, a new way using Ant Colony Algorithm to simplify large scale logical function is put forward.
针对代数法和卡诺图法难以化简规模很大的逻辑函数问题，提出使用蚁群算法处理大规模逻辑函数化简。
Then, the taxi operation information table structure was designed and the algorithm to mine taxi operation information based on the map-matched floating car data was brought forward.
设计了出租车运营信息表结构，给出了基于匹配后浮动车数据挖掘出租车运营信息的方法，为整个研究提供了主要的数据基础。
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