SimilarityRank
Second_Life 0.789 29728
virtual_world 0.673 17622
virtual_space 0.550 66084
World_of_Warcraft 0.520 42810
Oculus_Rift 0.510 80561
MMORPG 0.506 95310
SL 0.502 14284
virtual_reality 0.500 20882
virtual_environment 0.493 40172
online_community 0.490 21417
avatar 0.483 14431
virtual_community 0.479 85198
chatroom 0.476 88528
online_environment 0.476 77609
MOOC 0.476 25325
Gamification 0.473 98878
virtual 0.470 5076
in_real_life 0.463 16007
augmented_reality 0.460 29138
Virtual 0.460 22082
Moodle 0.456 23507
WoW 0.455 55115
videogame 0.454 30807
in-game 0.451 35688
MOOCs 0.450 34845