package?pku;

import?java.io.BufferedReader;
import?java.io.File;
import?java.io.FileNotFoundException;
import?java.io.FileReader;
import?java.io.IOException;
import?java.util.ArrayList;
import?java.util.Arrays;
import?java.util.List;

public?class?Recommendation?{
	
	public?static?final?int?KNEIGHBOUR?=?3;
	public?static?final?int?COLUMNCOUNT?=?8;	//number?of?items
	public?static?final?int?PREFROWCOUNT?=?20;		
	public?static?final?int?TESTROWCOUNT?=?5;
	
	private?String[]?bookName?=?{“數(shù)據(jù)挖掘：概念與技術(shù)““金融工程““投資銀行學(xué)““算法導(dǎo)論““machine?learning““經(jīng)濟學(xué)原理““金融的邏輯““Thinking?in?Java“};
	
	public?void?generateRecommendations（）?{
		int[][]?preference?=?readFile（PREFROWCOUNT?“preference.data“）;
		int[][]?test?=?readFile（TESTROWCOUNT?“test.data“）;
		double[][]?similarityMatrix?=?p

?屬性????????????大小?????日期????時間???名稱
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?????文件????????232??2010-04-12?15:04??Collaborative?Filtering\.classpath

?????文件????????399??2010-04-12?15:04??Collaborative?Filtering\.project

?????文件???????5854??2010-04-20?11:31??Collaborative?Filtering\bin\pku\Recommendation.class

?????文件????????340??2010-04-12?16:19??Collaborative?Filtering\preference.data

?????文件???????6073??2010-04-20?11:31??Collaborative?Filtering\src\pku\Recommendation.java

?????文件?????????83??2010-04-12?16:23??Collaborative?Filtering\test.data

?????目錄??????????0??2010-04-15?12:32??Collaborative?Filtering\bin\pku

?????目錄??????????0??2010-04-15?12:32??Collaborative?Filtering\src\pku

?????目錄??????????0??2010-04-15?12:32??Collaborative?Filtering\bin

?????目錄??????????0??2010-04-15?12:32??Collaborative?Filtering\src

?????目錄??????????0??2011-10-16?22:57??Collaborative?Filtering

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????????????????12981????????????????????11