@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_tor_	skos:broader	isac:encryption_tool_ .
isac:_vpn_	skos:broader	isac:encryption_tool_ .
isac:_crypto_	skos:broader	isac:encryption_tool_ .
isac:silent_circle_	skos:broader	isac:encryption_tool_ .
isac:_pgp_	skos:broader	isac:encryption_tool_ .
isac:_truecrypt_	skos:broader	isac:encryption_tool_ .
isac:_gpg_	skos:broader	isac:encryption_tool_ .
isac:_gnupg_	skos:broader	isac:encryption_tool_ .