intro - COSC-6490-B Issues in Information Integration York...

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COSC-6490-B Issues in Information Integration York University Parke Godfrey Winter 2006 C0SC-6421— Issues in Information Integration —Godfrey – p. 1/7
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What is Information Integration? And why do we need it? “The center cannot hold.” Yeats Information is distributed over many sources / databases. Cannot have everything in one database under one schema. Sometimes the information we need must be composed from several sources. Sometimes we do not know where the information that we need resides. C0SC-6421— Issues in Information Integration —Godfrey – p. 2/7
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How to coördinate the different agencies? E.g., supplies. How to locate the missing people? Schema Exercise: For each located person, record his or her name, date-of-birth, some form of identification, and (previously) permanent address. Record contact information (e.g., phone numbers) for the located people. Record for each closest relatives. Record which shelter the person is residing in. (He or she may have
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intro - COSC-6490-B Issues in Information Integration York...

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