About: in-app purchasing

Premodifier: in-app
Head noun: purchasing

Same concepts
http://dbpedia.org/resource/Glossary_of_video_game_terms

Broader concepts

label	provenance	confidence
service	isap:217238051	0.573940
feature	isap:217180538	0.509872

Narrower concepts

label	provenance	confidence
price	isap:259294509	0.310202