{"id":590657,"date":"2024-11-05T21:14:59","date_gmt":"2024-11-05T21:14:59","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-13584-201998\/"},"modified":"2024-11-05T21:14:59","modified_gmt":"2024-11-05T21:14:59","slug":"iso-13584-201998","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-13584-201998\/","title":{"rendered":"ISO 13584-20:1998"},"content":{"rendered":"<p>This part of ISO 13584 specifies:<\/p>\n<p>\u2014 an EXPRESS schema for generic expressions;<\/p>\n<p>\u2014 an EXPRESS schema for expressions, that models the subset of the allowed expressions in the EXPRESS language defined in ISO 10303-11 that corresponds to integer, real, Boolean and string data types. This schema uses the resources defined in the generic expression schema.<\/p>\n<p>The following are within the scope of this part of ISO 13584: <\/p>\n<p>\u2014 the exchange of expressions that involve both constants and variables;<\/p>\n<p>\u2014 the function that checks whether or not a numeric expression should evaluate to an integer value;<\/p>\n<p>\u2014 the constraints which ensure that an expression is semantically correct;<\/p>\n<p>\u2014 the computation of the variables or functions used in an expression;<\/p>\n<p>\u2014 the function that checks if an expression may be mapped on to the SQL query language. The following are outside the scope of this part of ISO 13584: <\/p>\n<p>\u2014 the assignment of values to variables within some context; <\/p>\n<p>\u2014 the triggering mechanism that computes the value of an expression in a given context.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Industrial automation systems and integration \u2014 Parts library \u2014 Part 20: Logical resource: Logical model of expressions<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>1998-07<\/td>\n<td>96<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":590673,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[385,2634],"product_tag":[],"class_list":{"0":"post-590657","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-25-040-40","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/590657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/590673"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=590657"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=590657"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=590657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}