private void estabTwitterConn() {
		OAuthUser OA = new OAuthUser();
    	query.track(Settings.baseKeywords);
    	twitterStream = new TwitterStreamFactory(
        		OA.build(Settings.ConsumerKey,Settings.ConsumerSecret, Settings.AccessToken,Settings.AccessSecret)).getInstance();

		dataStream = new DataStream();
		twitterStream.addListener(dataStream);
		twitterStream.filter(query);
	}