Efficient processing of $$k$$ -hop reachability queries.Published in:VLDB Journal International Journal on Very Large Data Bases, 2014, v. 23, n. 2, p. 227, doi. 10.1007/s00778-013-0346-6By:Cheng, James;Shang, Zechao;Cheng, Hong;Wang, Haixun;Yu, JeffreyPublication type:Article