The acronym GIS is sometimes used for geographic information science (GIScience) to refer to the academic discipline that studies geographic information systems and is a large domain within the broader academic discipline of geoinformatics.[1] What goes beyond a GIS is a spatial data infrastructure, a concept that has no such restrictive boundaries ...
Percy Jackson & the Olympians. Percy Jackson & the Olympians, often shortened to Percy Jackson, is a pentalogy of adventure and mythological fiction books written by American author Rick Riordan. Five supplementary books, along with three graphic novels, have also been released.
He is an ancestor of the Persians. Perseus is the demigod son of Zeus, opposed to Percy Jackson who is the demigod son of Poseidon. Perseus is the half-brother of the hero Hercules and his great-grandfather. He is a cousin to Percy because Percy is the nephew of Zeus and Zeus is the father of Perseus. The constellation Perseus is named after him. Percy has a lot in common with Perseus. Sally Jackson named her son, Percy, after him because he was one of the only heroes in the myths to have a happy ending.