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In almost ten
years since our CACM 1994 paper (``Data Management issues in Mobile Computing'',
T. Imielinski and Badri Nath) the emerging new research area became a full
fledged research field with a number of conferences and journals dedicated to
the topic. We have witnessed an astonishing growth of the PDA market with
anywhere/anytime wireless connectivity is addition to the rapidly progressing
sensor technology. Growing number of devices such as cameras, cars, phones, home
appliances collect and store digital information in their own “black boxes”.
In the near future we will experience the increasing presence of such devices on
the wireless network; we will be able to query
as well as monitor this information remotely. In this new world, network
connectivity will be an attribute of each physical object “that matters”.
Location will become the first class data attribute, as important as time is
today. Querying, monitoring and disseminating of the massive amounts of
information produced (and consumed) by millions of devices is an
exciting research challenge. The resulting Data-Space (digital information
embedded in physical space) will be useful in wide range applications such as efficient transportation,
environmental protection, rapid
emergency response.
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