View Ivoa standards data access layer data models vo query language virtual observatory scientific users data centers interoperability protocols text PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Ivoa standards data access layer data models vo query language virtual observatory scientific users data centers interoperability protocols text PowerPoint presentations. You can view or download Ivoa standards data access layer data models vo query language virtual observatory scientific users data centers interoperability protocols text presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.