{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Retrieval Efficiency of Internet Search Engines","author_name":"Vivekanand Jain","thumbnail_url":"https://www.ebooknetworking.net/books/384/541/big3845415355.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3845415355.html\">Retrieval Efficiency of Internet Search Engines</a>","width":400,"height":300}