<https://shopbooknow.com/product/the-semantic-web-15th-international-conference-eswc-2018-heraklion-crete-greece-june-3-7-2018-proceedings-ebook/#primaryimage>
<http://schema.org/width>
"200"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://shopbooknow.com/product/the-semantic-web-15th-international-conference-eswc-2018-heraklion-crete-greece-june-3-7-2018-proceedings-ebook/>