Example Query: StruQL
WHERE Articles(art), art -> l -> value,
l in { "Title", "Abstract", "Date", "Text",
"Image", "Topimage", "RelatedSite"},
art -> * -> art1, Article(art1)
CREATE ArticlePage(art), ArticlePage(art1)
LINK ArticlePage(art) -> l -> att,
ArticlePage(art) -> “related article” -> ArticlePage(art1)