public static void generateData1() throws Exception {
System.out.println("generate data.");
Indexer<String> wordIndexer = new Indexer<String>();
TextFileWriter writer = new TextFileWriter(DATA_FILE);
List<SparseVector> data = new ArrayList<SparseVector>();
TextFileReader reader = new TextFileReader(MIRPath.TREC_CDS_QUERY_DOC_FILE);
while (reader.hasNext()) {
List<String> lines = reader.getNextLines();
List<SparseVector> svs = new ArrayList<SparseVector>();
int qid = -1;
for (int i = 0; i < lines.size(); i++) {
String line = lines.get(i);
String[] parts = line.split("\t");
double relevance = -1;
if (i == 0) {
qid = Integer.parseInt(parts[1]);
} else {
relevance = Double.parseDouble(parts[1]);
}
StrCounter c = new StrCounter();
String[] toks = parts[2].split(" ");
for (int j = 0; j < toks.length; j++) {
String[] two = StrUtils.split2Two(":", toks[j]);
c.incrementCount(two[0], Double.parseDouble(two[1]));
}
SparseVector sv = VectorUtils.toSparseVector(c, wordIndexer, true);
if (i > 0) {
sv.setLabel((int) relevance);
}
svs.add(sv);
}
SparseVector q = svs.get(0);
for (int i = 1; i < svs.size(); i++) {
SparseVector d = svs.get(i);
SparseVector qd = VectorMath.add(q, d);
qd.setLabel(d.label());
data.add(qd);
}
}
reader.close();
writer.close();
SparseVector.write(DATA_FILE, data);
IOUtils.write(WORD_INDEXER_FILE, wordIndexer);
}
