Hi All, For those of you interested in Semantic Data Graphs as data structures for your libraries, the article "Type-Strong versus Type-Weak Semantic Relationships and Semantic Data Graphs <https://www.if4it.com/type-strong-versus-type-weak-semantic-relationships-s emantic-data-graphs/> ² might be of interest to you. > [Direct Address: > https://www.if4it.com/type-strong-versus-type-weak-semantic-relationships-sema > ntic-data-graphs/] I hope you find the materials interesting and useful. My Best, Frank ‹ Frank Guerino, Managing Partner The International Foundation for Information Technology (IF4IT) http://www.if4it.com 1.908.294.5191 (M)