About: browser add-on

Premodifier: browser
Head noun: add-on

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

Broader concepts

label	provenance	confidence
program	isap:447998248	0.727414
tool	isap:488948617	0.544855
toolbar	isap:441456212	0.199479

Narrower concepts

label	provenance	confidence
toolbar	isap:273224464	0.528793
ghostery	isap:481139739	0.438002
bho	isap:209369790	0.266395
flash	isap:163156836	0.186643