This author has not been identified. Look up 'Yi-Dong Shen' in GoogleThis author has not been identified. Look up 'Kewen Wang' in GoogleThis author has not been identified. Look up 'Thomas Eiter' in GoogleThis author has not been identified. Look up 'Michael Fink' in GoogleThis author has not been identified. Look up 'Christoph Redl' in GoogleThis author has not been identified. Look up 'Thomas Krennwallner' in GoogleThis author has not been identified. Look up 'Jun Deng' in Google