Paul T. Stanton

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We develop techniques that make authenticated directories efficient and scalable toward the goal of managing tens of billions of objects in a single directory. Internet storage services have already realized this scale: Amazon's S3 contained more than 52 billion objects as of April 2009 [1]. Our contributions include defining on-disk, block-oriented data(More)
We present a storage management framework for Web 2.0 services that places users back in control of their data. Current Web services complicate data management due to data lock-in and lack usable protection mechanisms, which makes cross-service sharing risky. Our framework allows multiple Web services shared access to a single copy of data that resides on a(More)
We present an update-efficient authenticated dictionary towards the goal of providing public verification of outsourced dynamic geospatial data consolidated from a dynamic set of contributing sources. We introduce an on-disk authenticated bucket-based PR-quadtree for point and range queries over multiple attributes with minimal tree realignment upon(More)
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