public static void main(String[] arg) throws IOException {
// Load a sequence database
SequenceDatabase sequenceDatabase = new SequenceDatabase();
sequenceDatabase.loadFile(fileToPath("contextPrefixSpan.txt"));
sequenceDatabase.print();
int minsup = 2; // we use a minsup of 2 sequences (50 % of the database size)
AlgoBIDEPlus algo = new AlgoBIDEPlus(); //
// execute the algorithm
algo.runAlgorithm(sequenceDatabase, "C://patterns//closed_sequential_patterns.txt", minsup);
algo.printStatistics(sequenceDatabase.size());
}
public static void main(String[] arg) throws IOException {
String outputPath = ".//output.txt";
// Load a sequence database
SequenceDatabase sequenceDatabase = new SequenceDatabase();
sequenceDatabase.loadFile(fileToPath("contextPrefixSpan.txt"));
// print the database to console
sequenceDatabase.print();
// Create an instance of the algorithm with minsup = 50 %
AlgoPrefixSpan algo = new AlgoPrefixSpan();
int minsup = 2; // we use a minimum support of 2 sequences.
// execute the algorithm
algo.runAlgorithm(sequenceDatabase, outputPath, minsup);
algo.printStatistics(sequenceDatabase.size());
}
public static void main(String[] arg) throws IOException {
// Load a sequence database
SequenceDatabase sequenceDatabase = new SequenceDatabase();
sequenceDatabase.loadFile(fileToPath("contextPrefixSpan.txt"));
sequenceDatabase.print();
// Create an instance of the algorithm
AlgoMaxSP algo = new AlgoMaxSP();
// if you set the following parameter to true, the sequence ids of the sequences where
// each pattern appears will be shown in the result
boolean showSequenceIdentifiers = false;
// execute the algorithm
SequentialPatterns patterns = algo.runAlgorithm(sequenceDatabase, null, 2);
algo.printStatistics(sequenceDatabase.size());
patterns.printFrequentPatterns(sequenceDatabase.size(), showSequenceIdentifiers);
}
public static void main(String[] arg) throws IOException {
// Load a sequence database
SequenceDatabase sequenceDatabase = new SequenceDatabase();
sequenceDatabase.loadFile(fileToPath("contextPrefixSpan.txt"));
// sequenceDatabase.print();
int minsup = 2; // we use a minsup of 2 sequences (50 % of the database size)
AlgoMaxSP algo = new AlgoMaxSP(); //
// if you set the following parameter to true, the sequence ids of the sequences where
// each pattern appears will be shown in the result
algo.setShowSequenceIdentifiers(false);
// execute the algorithm
algo.runAlgorithm(sequenceDatabase, ".//output.txt", minsup);
algo.printStatistics(sequenceDatabase.size());
}
public static void main(String[] arg) throws IOException {
// Load a sequence database
SequenceDatabase sequenceDatabase = new SequenceDatabase();
sequenceDatabase.loadFile(fileToPath("contextPrefixSpan.txt"));
// print the database to console
sequenceDatabase.print();
// Create an instance of the algorithm
AlgoFSGP algo = new AlgoFSGP();
// algo.setMaximumPatternLength(3);
// execute the algorithm with minsup = 50 %
boolean performPruning = true; // to activate pruning of search space
List<SequentialPattern> patterns = algo.runAlgorithm(sequenceDatabase, 0.5, performPruning);
algo.printStatistics(sequenceDatabase.size());
System.out.println(" == PATTERNS ==");
for (SequentialPattern pattern : patterns) {
System.out.println(pattern + " support : " + pattern.getAbsoluteSupport());
}
}
