This HTML5 document contains 4 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n5complaints.
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:78928114
rdf:type
prov:Entity
prov:value
it is very difficult to give an opinion about any website whether they are good or not but if you have experience to work with them then you can easily get the answer of your question.
prov:wasQuotedFrom
n5:com
Subject Item
isap:218510092
prov:wasDerivedFrom
isa:78928114