public void parseVenues(String venueInfoDirectoryPath, boolean useCategoryFilter) {
		// venues is reinitialized.
		venues = new HashMap<String, Venue>();
		
		// The files contained at venueInfoDirectoryPath are fetched.
		File venueInfoDirectory = new File(venueInfoDirectoryPath);
		File[] venueInfoFiles = venueInfoDirectory.listFiles();
		
		// Construction of venues.
		for (File venueInfoFile : venueInfoFiles) {
			if (venueInfoFile.isFile() && !FilenameUtils.getBaseName(venueInfoFile.getName()).equals("")) {
				// The current file is indeed a venue info file.
				try {
					// Creation of a venue from the current venue info file.
					Venue venue = new Venue(FileUtils.readFileToString(venueInfoFile));
					// The file name is the id of the venue.
					String venueId = venueInfoFile.getName();	
					
					// Checking whether the venue is blacklisted (i.e. the
					// venue category is not relevant).
					if (!useCategoryFilter || !CategoryHandler.isBlackListedVenueStrict(venue)) {
						// The current venue has at least one relevant category
						// and is added to venues.
						venues.put(venueId, venue);
					}
				} catch (IOException exception) {
					exception.printStackTrace();
				}
			}
		}
	}