What is old is new again Eric Lease Morgan - - PowerPoint PPT Presentation

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What is old is new again Eric Lease Morgan - - PowerPoint PPT Presentation

What is old is new again Eric Lease Morgan <eric_morgan@infomotions.com> ADLUG Annual Meeting, Rome (October 19, 2015) The hows of librarianship are changing, but not the whats. Linked Data Linked Data is a method for describing


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What is old is new again

Eric Lease Morgan <eric_morgan@infomotions.com> ADLUG Annual Meeting, Rome (October 19, 2015)

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The how’s of librarianship are changing, but not the what’s.

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Linked Data

Linked Data is a method for describing things. These things can be the objects in a library. Thus, Linked Data can be a type of bibliographic description.

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Triples

Triples are the basic data structure of Linked Data, and, they are made up of three parts:

  • 1. subjects - URIs pointing to things real or

imaginary

  • 2. objects - URIs or literals (words, phrases, or

numbers)

  • 3. predicates - URIs denoting relationships between

subjects and objects

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Triples, continued

[ subject ] --- predicate ---> [ object ]

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Triples, continued

/ --- a predicate ---------> [ an object ] [ subject ] - | --- another predicate ---> [ another object ] \ --- a third predicate ---> [ a third object ] | | yet another predicate | | \ / [ yet another object ]

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Triples, examples

[subject] [predicate] [object] http://example.org/rome http://example.org/name "Rome"

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Triples, examples

[subjects] [predicates] [objects] http://example.org/rome http://example.org/name "Rome" http://example.org/rome http://example.org/founding-date "1000 BC" http://example.org/rome http://example.org/description "A long long time ago,..” http://example.org/rome http://example.org/type http://example.org/city http://example.org/rome http://example.org/sub-part http://example.org/italy

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Triples, examples

[http://example.org/rome] | |

  • -- / -- http://example.org/name ----------> ["Rome"]

| -- http://example.org/description ---> ["A long time ago…"] | -- http://example.org/founding-date -> ["1000 BC"] | -- http://example.org/sub-part -----> [http://example.org/italy] \ -- http://example.org/type ----------> [http://example.org/city]

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Triples, examples

[subjects] [predicates] [objects] http://example.org/italy http://example.org/name "Italy" http://example.org/italy http://example.org/founding-date "1923 AD" http://example.org/italy http://example.org/type http://example.org/country http://example.org/italy http://example.org/sub-part http://example.org/europe

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Triples, examples

[subjects] [predicates] [objects] http://example.org/paris http://example.org/name "Paris" http://example.org/paris http://example.org/founding-date "100 BC" http://example.org/paris http://example.org/description "There's this tower..." http://example.org/paris http://example.org/type http://example.org/city http://example.org/paris http://example.org/sub-part http://example.org/france http://example.org/london http://example.org/name "London" http://example.org/london http://example.org/description "Warm beer is here." http://example.org/london http://example.org/founding-date "100 BC" http://example.org/london http://example.org/type http://example.org/city http://example.org/london http://example.org/sub-part http://example.org/england http://example.org/newyork http://example.org/founding-date "1640 AD" http://example.org/newyork http://example.org/name "New York" http://example.org/newyork http://example.org/description "Never sleeps." http://example.org/newyork http://example.org/type http://example.org/city http://example.org/newyork http://example.org/sub-part http://example.org/usa

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Triples, usefulness

  • What things are denoted as types of cities, and what are

their names?

  • What is the oldest city?
  • What cities were founded after the year 1 AD?
  • What countries are sub-parts of Europe?
  • How would you describe Rome?
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Linked Data, why

When the content of libraries is manifested as Linked Data, then new relationships between resources will be discovered and uncovered. Linked Data is a newer, more timely method of describing collections; what is old is new again.

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Curation of digital objects

The curation of collections does not have to be limited to physical objects. With the advent of the Internet there exists an abundance of full-text digital objects just waiting to be harvested, collected, and cached. But it is not good enough to link and point to such

  • bjects because links break and institutions

(websites) dissolve.

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Curation, continued

Digital curation is not easy, and it requires systematic organization and evaluation in order to be useful. There are many advantages, including: long-term access, analysis & evaluation, use & re-use, and relationship building. Examples include: institutional repositories, bibliographic indexes, and collections

  • f complete works of interest.
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Curation, an example

In the recent past I have created “browsers” used to do “distant reading” against curated collections of materials harvested from the HathiTrust, the EEBO-TCP, and JSTOR.

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Curation, an example

[Demonstrate one or more of the browsers here.]

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What is old is new again

The traditional principles of librarianship (collection, organization, preservation, and dissemination) are alive and well in this digital age. Such are the what’s of

  • librarianship. It is the how’s of the

librarianship that need to evolve in order the profession to remain relevant.