About: proof of service

Head noun: proof
Postmodifier: of service

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

Broader concepts

label	provenance	confidence
papers	isap:156821468	0.510276
document	isap:298767065	0.403796
form	isap:201246623	0.273240

Narrower concepts

label	provenance	confidence
discharge papers	isap:112896413	0.708185
return receipt	isap:37312164	0.650703
id card	isap:89785724	0.589097
va card	isap:89785688	0.565558
military id	isap:464375759	0.515991
dd 214	isap:464590550	0.415203
service	isap:39059265	0.404656
dd214	isap:371471017	0.368102
dd-214	isap:118550670	0.346415
copy	isap:85440786	0.288710