#HMM-NER

##build method

1. Make sure that there is cmake in your computer. If not, you can use sudo apt-get install cmake. to install cmake in ubuntu or brew install cmake to install cmake in Mac OS.
2. Create a build folder in the project dir. You can us this command mkdir build.
3. Go in the folder build with command cd build, and input the command cmake .. to generate the makefile.
4. Type the command make to build all the project.

##Usage

1. There are five executable files in the folder build/bin:
   • trainhmmwithtag can load People's Daily corpus, output the transmit probability and emit probability. *USAGE: * ./trainhmmwithtag input output.
   • gentestset can generate the test set and the right tag answer from Pelple's Daily corpus. **USAGE: ** ./gentestset input output.
   • vit is the decoder can recongise a word is a entity or not and give the tag.USAGE: ./vit model <input >output. *evaluate is used to evaluate the tag generated form vit is effective or not. **USAGE: **./evaluate yourtagedfile answer.