Update README.md

README.md

 # Big Data Process Assignment 2 
-I first try this
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+## Pre-processing the input
+For the part of pre-procesing, the input consists of：
+* the document corpus of [pg100.txt](https://gitlab.my.ecp.fr/2014guom/BigDataProcessAssignment2/blob/master/input/pg100.txt)
+* the [Stopword file](https://gitlab.my.ecp.fr/2014guom/BigDataProcessAssignment2/blob/master/input/Stopwords) which I made in the assignment 1
+* the [Words with frequency file](https://gitlab.my.ecp.fr/2014guom/BigDataProcessAssignment2/blob/master/input/wordfreq) of pg100.txt that I obtained by runnning the assignment
+1 with a slight changement of [MyWordCount](https://gitlab.my.ecp.fr/2014guom/BigDataProcessAssignment1/blob/master/MyWordCount.java).
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+All the details are written in my code Process.java.
+