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Mike Stonebraker’s Two Bullets
Michael Stonebraker
Adjunct Professor
Massachusetts Institute of Technology
(stonebraker@lcs.mit.edu)
2
M.I.T.
Bullet 1: Semantic HeterogeneityBullet 1: Semantic HeterogeneityBullet 1: Semantic HeterogeneityBullet 1: Semantic Heterogeneity
Achilles heel of data warehouse projectsAnd information integrationAnd soon of web services
Easy part is euros to/from dollarsHarder is French salary to/from U.S.
salaryHardest is latex gloves to/from rubber
hand protectors
Achilles heel of data warehouse projectsAnd information integrationAnd soon of web services
Easy part is euros to/from dollarsHarder is French salary to/from U.S.
salaryHardest is latex gloves to/from rubber
hand protectors
3
M.I.T.
Bullet 1: Semantic HeterogeneityBullet 1: Semantic HeterogeneityBullet 1: Semantic HeterogeneityBullet 1: Semantic Heterogeneity
Worked on ever since I have been an adultWith little progress
At some point we need to work on the
important stuff…..
Worked on ever since I have been an adultWith little progress
At some point we need to work on the
important stuff…..
4
M.I.T.
Bullet 2: Google for Structured Data Bullet 2: Google for Structured Data Bullet 2: Google for Structured Data Bullet 2: Google for Structured Data
What is the current temperature in Lowell?Is Flight 214 on time?Where can I buy pocket protectors?
What is the current temperature in Lowell?Is Flight 214 on time?Where can I buy pocket protectors?
5
M.I.T.
Bullet 2: Google for Structured Data Bullet 2: Google for Structured Data Bullet 2: Google for Structured Data Bullet 2: Google for Structured Data
Data modelNot likely to be text
Query languageNL doesn’t work (and won’t anytime
soon)Integration of 10** 6 sites
Semantic heterogeneity……Site finding --UDDI is a startScalability -- 10**6 gateways?
Data modelNot likely to be text
Query languageNL doesn’t work (and won’t anytime
soon)Integration of 10** 6 sites
Semantic heterogeneity……Site finding --UDDI is a startScalability -- 10**6 gateways?
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