About: http://webisa.webdatacommons.org/8177451

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	20090091568Three dimensional spatial engine in a relational database management system - Systems, methodologies, media, and other embodiments associated with a three dimensional spatial engine in an RDBMS are described.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org