Personal Metadata Service

From: Jim Whitehead (
Date: Thu Apr 05 2001 - 15:13:46 PDT
Edward Swierk, Emre K?c?man, Vince Laviano and Mary Baker
Proceedings of the Third IEEE Workshop on Mobile Computing Systems and
Applications, Monterey, California, December 2000.


People now have available to them a diversity of digital
storage devices, including palmtops, cell phone address
books, laptops, desktop computers and web-based services.
Unfortunately, as the number of personal data repositories
increases, so does the management problem of ensuring that
the most up-to-date version of any document is available to
the user on the storage device he is currently using. We
introduce the Roma personal metadata service to make it
easier to locate current file versions and ensure their availability
across different repositories. This centralized service
stores information about each of a userís files, such
as name, location, timestamp and keywords, on behalf of
mobility-aware applications. Separating out these metadata
from the data respositories makes it practical to keep
the metadata store on a highly available, portable device.
In this paper we describe the design requirements, architecture
and current prototype implementation of Roma.

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