Yehoshua Chaim ("Shuky") Sagiv is a

computer scientist A computer scientist is a person who is trained in the academic study of computer science. Computer scientists typically work on the theoretical side of computation, as opposed to the hardware side on which computer engineers mainly focus (al ...

and professor of computer science at the

Hebrew University of Jerusalem The Hebrew University of Jerusalem (HUJI; he, הַאוּנִיבֶרְסִיטָה הַעִבְרִית בִּירוּשָׁלַיִם) is a public research university based in Jerusalem, Israel. Co-founded by Albert Einstein and Dr. Chaim Weiz ...

. He obtained his PhD at Princeton University in 1978. His advisor was Jeffrey Ullman. Sagiv is one of the founders of the field of relational database theory, and specifically of dependency theory. He also did seminal work in the areas of semi-structured databases and local-as-view data integration. As of 2008, he is the most-published author in the ACM Symposium on Principles of Database Systems with 29 papers published there. He was also the winner of the ACM SIGMOD Test of Time Award in 2002.SIGMOD awards page
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References

Year of birth missing (living people) Living people Princeton University alumni Database researchers Israeli computer scientists {{compu-scientist-stub