public Set<URL> getListPageURLs(){
		Set<URL> urls = new HashSet<URL>();
		String url = "http://www.infoq.com/infoq.action?newsidx=";
		int j = 10;
		for (int i = 1; i <= 10; i++) {
			String pagingUrl = url + (j * i);
			System.out.println(pagingUrl);
			urls.add(URL.valueOf(pagingUrl));
		}
		return urls;
	}