public static void initData4Delicious(Preprocessing pr) {
// Preprocessing pr = new Preprocessing();
Dbconnection dbconn = Dbconnection._getConn();
try {
// Build tag set for counting
pr.buildTags(dbconn.getResultSet(GlobalSQLQuery.GETVIEWTAG));
pr.sensorToken();
// Build tags for each bookmark
pr.buildBookmark_Tags(dbconn.getResultSet(GlobalSQLQuery.GETBOOKMARK_TAG));
// Build User Relations
// pr.buildContactRelation(new File(
// "Data/Delicious/user_contacts-timestamps.dat"));
// Build user list
// pr.buildUserList(dbconn.getResultSet(GlobalSQLQuery.GETUSER));
// Print statistical data
System.out.println("Size tags: " + Environment.hm_token_weight.size());
System.out.println("Size bookmark-tags: " + Environment.hm_bookmark_tag.size());
pr.buildTagChecking(dbconn.getResultSet(GlobalSQLQuery.GETTAG));
System.out.println("Size true-tags: " + Environment.tagSet.size());
// Calculate TF-IDF & normalization
pr.calTF_IDF();
// pr.writeBookmark_Tags(new File("Output4Stats/matrix"));
// writeBookmark_Tags_ARFF(new File("matrix_arff.arff"));
// writeBookmark_Tags_Matlab(new File("matrix_matlab_try_1"), new
// File(
// "bm_index_try_1"));
} catch (SQLException sqlEx) {
System.out.println("SQL exception...");
}
}
public static void executePCA(Preprocessing pr) throws Exception {
// Using PCA from EJML
// PrincipleComponentAnalysis pca = new PrincipleComponentAnalysis();
// pca.setup(Environment.hm_bookmark_tag.size(),
// Environment.hm_token_weight.size());
// BufferedReader br = new BufferedReader(new FileReader(
// new File("matrix")));
// String s = "";
// String[] arrStr;
// double[] nums = null;
// while ((s = br.readLine()) != null) {
// arrStr = s.split("\t");
// nums = new double[arrStr.length - 1];
// for (int i = 0; i < nums.length; i++) {
// nums[i] = Double.parseDouble(arrStr[i + 1]);
// }
// pca.addSample(nums);
// }
// pca.computeBasis(Environment.featureSize);
// System.out.println(pca.sampleToEigenSpace(nums));
PrincipleComponentAnalysis pca = new PrincipleComponentAnalysis();
// int bm_num = 68479;
// int tg_num = 11619;
pca.setup(Environment.hm_bookmark_tag.size(), Environment.hm_token_weight.size());
File mxIN = new File("Output4Stats/matrix");
File mxOUT = new File("Output4Stats/norm_matrix_ejml");
BufferedReader br = new BufferedReader(new FileReader(mxIN));
String s = "";
String[] arrStr;
double[] nums = null;
System.out.println("Start reading matrix...");
while ((s = br.readLine()) != null) {
arrStr = s.split("\t");
nums = new double[arrStr.length - 1];
for (int i = 0; i < nums.length; i++) {
nums[i] = Double.parseDouble(arrStr[i + 1]);
}
pca.addSample(nums);
}
br.close();
System.out.println("Start PCA...");
pca.computeBasis(Environment.featureSize);
// Write down to file
System.out.println("Start writing norm matrix...");
pr.writeNormMatrix(pca, mxIN, mxOUT);
}
public static void initData4LastFM(Preprocessing pr) {
Dbconnection dbconn = Dbconnection._getConn();
try {
// Build tag set for counting
pr.buildTags(dbconn.getResultSet(GlobalSQLQuery.GETVIEW_ARTIST_TAG));
System.out.println("Tags: " + Environment.hm_tag_artistset.size());
System.out.println("Artist: " + Environment.hm_artist_tag.size());
// Running PCA
// executePCAFM(pr);
// Calculate TF-IDF & normalization
// pr.calTF_IDF();
// pr.writeBookmark_Tags(new File("Output4Stats/matrix4lastfm"));
} catch (SQLException sqlEx) {
System.out.println("SQL exception...");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void main(String[] args) throws SQLException {
// TODO Auto-generated method stub
Preprocessing pr;
switch (Environment.DATASOURCE) {
case DELICIOUS:
pr = new Preprocessing();
// Init data for PCA
ALGControl.initData4Delicious(pr);
// Get users from db
pr.buildUserList(Dbconnection._getConn().getResultSet(GlobalSQLQuery.GETUSER));
break;
case LASTFM:
pr = new Preprocessing_lastfm();
ALGControl.initData4LastFM(pr);
pr.buildUserList(Dbconnection._getConn().getResultSet(GlobalSQLQuery.GETUSER));
break;
}
// Read norm matrix from file outside
ALGControl.readMatrix();
ALGControl alg;
switch (Environment.runningAlgType) {
case LINUCB_SIN:
// Running LinSIN
alg = new AlgorithmThreadBuilder(AlgorithmType.LINUCB_SIN);
alg.start();
break;
case LINUCB_IND:
// Running LinIND
alg = new AlgorithmThreadBuilder(AlgorithmType.LINUCB_IND);
alg.start();
break;
case LINUCB_KMEAN:
// Running LinUCB-Kmean
alg = new AlgorithmThreadBuilder(AlgorithmType.LINUCB_KMEAN);
alg.start();
break;
case LINUCB_TREE:
// Run LinUCBTREE
alg = new AlgorithmThreadBuilder(AlgorithmType.LINUCB_TREE);
alg.start();
break;
case CLUB:
// Run CLUB
alg = new AlgorithmThreadBuilder(AlgorithmType.CLUB);
alg.start();
break;
case LINUCB_VER:
// Running verification && Warmstart
TreeFixedCluster.doCluster();
alg = new AlgorithmThreadBuilder(AlgorithmType.LINUCB_VER);
alg.start();
break;
case LINUCB_WARM:
TreeFixedCluster.doCluster();
alg = new AlgorithmThreadBuilder(AlgorithmType.LINUCB_WARM);
alg.start();
break;
}
}