http://webisadb.webdatacommons.org:8890/sparql?query=define%20sql%3Adescribe-mode%20%22LOD%22%20%20DESCRIBE%20%3Chttp%3A%2F%2Fwebisa.webdatacommons.org%2Fconcept%2Finternet_activity_%3E&output=application%2Fatom%2Bxml2024-03-28T12:10:01.256258ZOData Service and Descriptor Documenthttp://webisa.webdatacommons.org/concept/_facebook_2024-03-28T12:10:01.256258Z