Zaiqiao MengHong Shen 0001Huimin HuangWei Liu 0061Jing Wang 0030Arun Kumar SangaiahSearch result diversification on attributed networks via nonnegative matrix factorization.1277-1291201854Inf. Process. Manag.6https://doi.org/10.1016/j.ipm.2018.05.005db/journals/ipm/ipm54.html#MengSHLWS18