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Metadata Matters. Ian White September 5, 2013. @urbanmapping. Achtung!. NoSQL is no panacea Big Data isn’t about data Big Data isn’t new Big Data doesn’t present a Boolean quandary With power comes responsibility AWS bills Lady Gaga tweets Innumeracy (correlation v causation).

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Metadata Matters


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    1. Metadata Matters • Ian White • September 5, 2013 @urbanmapping

    2. Achtung! • NoSQL is no panacea • Big Data isn’t about data • Big Data isn’t new • Big Data doesn’t present a Boolean quandary • With power comes responsibility • AWS bills • Lady Gaga tweets • Innumeracy (correlation v causation) @urbanmapping

    3. One Person’s Metadata is Another Person’s Data @urbanmapping

    4. Big v Important • Big • Heterogeneous • Raw • Distributed • Streaming/real time • Search for meaning • Time-sensitive • Philosophical • Important • Well-defined schema • High value (not free) • Test-driven • Relational • Historical • Enterprise-focused @urbanmapping

    5. Social Media Gov2.0 Probes Analytics Data Exhaust @urbanmapping

    6. Platforms • Commoditization of compute and storage @urbanmapping

    7. Callimachus A Brief History of Metadata Library of Alexandria, Egypt @urbanmapping

    8. Callimachus A Brief History of Metadata • “Pinakes” (lists) • Title • Category • Author • Author birthplace • Father • Word count @urbanmapping

    9. Leiden University, 1595 Johan van der Does A Brief History of Metadata @urbanmapping

    10. A Brief History of Metadata Melville Dewey @urbanmapping

    11. A Brief History of Metadata • Card catalog room, Library of Congress c. 1920 @urbanmapping

    12. A Brief History of Metadata • Dewey Decimal System goes electronic in 1967 @urbanmapping

    13. Out with the Old, in with the New • Archiving card catalogs after digitization @urbanmapping

    14. Why Can’t We Be Together? • Metadata • Data @urbanmapping

    15. Taxonomy Pinakes Database Catalog 1595 AD 300 BC 1876 1970 Exponential Growth in Data • Unprecedented rate of data creation, 1995-today Volume of Data Generated @urbanmapping

    16. Oh, How I’ve Missed You! • The reunification of metadata with data @urbanmapping

    17. Together At Last! @urbanmapping

    18. + = GIS Remains Unevolved Melville Dewey @urbanmapping

    19. Enter the Data Curator • Part social scientist, part librarian, part statistician, part RDBMS wiz @urbanmapping

    20. DIKW Model • Data • Fact, Signal, Symbol • Information • Structural v Functional • Symbolic v Subjective • Knowledge • Processed • Procedural • Propositional @urbanmapping

    21. Popularity Contest Metadata Big Data Data Science Curation @urbanmapping

    22. c.2013 @urbanmapping

    23. One Person’s Metadata is Another’s Data @urbanmapping