options.addOption('T', "timespan", "the timespan for each semantic " +
"partition", true, "Date String", "Required");
options.addOption('o', "outputFormat", "the .sspace format to use",
true, "{text|binary}", "Program Options");
options.addOption('t', "threads", "the number of threads to use",
true, "INT", "Program Options");
options.addOption('w', "overwrite", "specifies whether to " +
"overwrite the existing output", true, "BOOL",
"Program Options");
options.addOption('v', "verbose", "prints verbose output",