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Rafail Ostrovsky (born 1963) is a professor of computer science and mathematics at UCLA and a well-known researcher in algorithms and cryptography. Prof. Ostrovsky received his Ph.D. from MIT in 1992. He is a member of the Editorial Board of Algorithmica (), Editorial Board of Journal of Cryptology () and Editorial and Advisory Board of the International Journal of Information and Computer Security (). Prof. Ostrovsky is a winner of the 2006 IBM Faculty Award; the 2006 and 2005 Xerox Innovation Group Award; the 2004 OKAWA Research Award; the 1993 Henry Taub Prize; 1996 Bellcore prize for excellence in research; and three-time winner of the best published work of the year (1999, 2001, 2002) at SAIC in computer science and mathematics. Some notable achievements of Prof. Ostrovsky include: * 1990 Introduced (with R. Venkatesan and M. Yung) the notion of (''interactive hashing'' ) proved essential for constructing statistical zero-knowledge proofs for NP based on any one-way function (see (NOVY ) and ). * 1991 Introduced (with M. Yung) the notion of (''mobile adversary'' ) (later renamed ''proactive security'') (see survey of Goldwasser ()) or over 400 citations in (Google Scholar )) * 1992 Proved the existence of asymptotically optimal (''software protection'' ) scheme (later renamed ''searching on encrypted data'') assuming the existence of Tamper-resistant Microprocessor * 1993 Proved (with A. Wigderson) equivalence of one-way functions and zero-knowledge (). * 1996 Introduced (with R. Canetti, C. Dwork and M. Naor) the notion of deniable encryption (). * 1997 Invented (with E. Kushilevitz) the first single server private information retrieval protocol () (see over 400 citations in (Google Scholar )). * 1997 Showed (with E. Kushilevitz and Y. Rabani) (1+ε) poly-time and poly-size approximate-nearest neighbor search for high-dimensional data for L1-norm and Euclidean space (see over 320 citations in ( Google Scholar )). ==External links== * (Professor Ostrovsky's home page ) * (Some of Ostrovsky's publications ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rafail Ostrovsky」の詳細全文を読む スポンサード リンク
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