Michi Mutsuzaki

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Trio is a new kind of database system that supports data, uncertainty , and lineage in a fully integrated manner. The first Trio prototype , dubbed Trio-One, is built on top of a conventional DBMS using data and query translation techniques together with a small number of stored procedures. This paper describes Trio-One's translation scheme and system(More)
Walnut is an object-store being developed at Yahoo! with the goal of serving as a common low-level storage layer for a variety of cloud data management systems including Hadoop (a MapReduce system), MObStor (a multimedia serving system), and PNUTS (an extended key-value serving system). Thus, a key performance challenge is to meet the latency and throughput(More)
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