Big Data = Bigger Metadata

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Transcript of Big Data = Bigger Metadata

Big Data = O’Reilly Strata Conference

February 29 2012

Bigger Metadata

Pivot/Skate, etc…

Refounded 2006

Neighborhood boundaries

Mass transit data

Refocused 2009

SaaS for mapping + on-demand data

Founded 2003

Poor man’s GIS

Panamap

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)

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

Data Exhaust

Analytics Probes

Gov 2.0Social Media

Platforms

Commoditization of compute and storage

A Brief History of Metadata

Callimachus Library of Alexandria, Egypt

A Brief History of Metadata

“Pinakes” (lists)

Title

Category

Author

Author birthplace

Father

Word count

Callimachus

A Brief History of Metadata

A Brief History of Metadata

A Brief History of Metadata

Card catalog room,

Library of Congress c. 1920

A Brief History of Metadata

Dewey Decimal System goes electronic in 1967

Out with the Old, in with the New

Archiving card catalogs

after digitization

Why Can’t We Be Together?

Metadata Data

Exponential Growth in Data

1876

TaxonomyPinakes

300 BC

Database

1970

Catalog

1595 AD

Data

Unprecedented rate of data creation, 1995-today

Oh, How I’ve Missed You

The reunification of metadata

and the artifact

Together At Last

GIS Data is Unevolved

+ =

Enter the Data Curator

Part social scientist, part librarian,

part statistician, part RDBMS wiz

DIKW Model

Data

Fact, Signal, Symbol

Information

Structural v Functional

Symbolic v Subjective

Knowledge

Processed

Procedural

Propositional

Popularity (Google Trends)

Words to Live By

dxdt/

Thank you!

ian@urbanmapping.com

@urbanmapping

R.I.P.

Schema