One of the co-executive producers of Buffy the Vampire Slayer was Korean.
Yehoshua Chaim -LRB- `` Shuky '' -RRB- Sagiv is a computer scientist and professor of computer science at the Hebrew University of Jerusalem .. Hebrew University of Jerusalem. Hebrew University of Jerusalem. computer scientist. computer scientist. He obtained his PhD at Princeton University in 1978 .. Princeton University. Princeton University. His advisor was Jeffrey Ullman .. Jeffrey Ullman. Jeffrey Ullman. Sagiv is one of the founders of the field of relational database theory , and specifically of dependency theory .. database theory. database theory. dependency theory. dependency theory ( database theory ). He also did seminal work in the areas of semi-structured databases and local-as-view data integration .. data integration. data integration. Currently -LRB- 2008 -RRB- he is the most-published author in the ACM Symposium on Principles of Database Systems -LRB- with 29 papers published there -RRB- .. ACM Symposium on Principles of Database Systems. ACM Symposium on Principles of Database Systems. He was also the winner of the ACM SIGMOD Test of Time Award in 2002 .. SIGMOD. SIGMOD