{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An algebra for access control.","author_name":"Paolina Centonze","thumbnail_url":"https://www.ebooknetworking.net/books/124/347/big1243471018.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1243471018.html\">An algebra for access control.</a>","width":400,"height":300}