Posts Tagged ‘JSON’

Software Carpentry Workshop at SCSU Python

Registration is now open for the workshop: 

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The Unix Shell

  • Files and directories
  • History and tab completion
  • Pipes and redirection
  • Looping over files
  • Creating and running shell scripts
  • Finding things
  • Reference…

Programming in Python

  • Using libraries
  • Working with arrays
  • Reading and plotting data
  • Creating and using functions
  • Loops and conditionals
  • Defensive programming
  • Using Python from the command line
  • Reference…

@software carpentry @scsu #python getting ready w @Gaurav Vaidya and @John Liu

Posted by InforMedia Services on Saturday, June 2, 2018


#Python Programming from @Software Carpentry at St. Cloud State University

Posted by InforMedia Services on Saturday, June 2, 2018

Jupyter is IDE

JSON file format where Jupiter data is stored. HMTL and Markdown (simplified HTML).


React OS (JS)


#git and #github

Posted by InforMedia Services on Sunday, June 3, 2018

more on Software Carpentry workshops on this iMS blog and JSON-LD

Introduction to and JSON-LD

Web search engines such as Google, Bing, and Yahoo are integral to making information more discoverable on the open web. How can you expose data about your organization, its services, people, collections, and other information in a way that is meaningful to these search engines?
In this 90 minute session, learn how to leverage and semantic markup to achieve enhanced discovery of information on the open web. The session will provide an introduction to both and the JSON-LD data format. Topics include an in-depth look at the vocabulary, a brief overview of semantic markup with a focus on JSON-LD, and use-cases of these technologies. By the end of the session, you will have an opportunity to apply these technologies through a structured exercise. The session will conclude with resources and guidance for next steps.

Learning Outcomes

Participants will leave this webinar with tools for increasing the discoverability of information on the open web.
This program will include presentation slides, bibliographic references to resources referenced to in the slides, and hands-on exercise material. The exercise material will include instructions, template records for attendees to practice applying and JSON-LD, and example records as reference material.

Who Should Attend

Librarians and other professionals interested in increasing discovery of their organization’s information and collections on the open web. General knowledge of metadata concepts and standards is encouraged. Familiarity with the concept of data formats (XML, JSON, MARC, etc.) would be helpful.
Jacob Shelby is the Metadata Technologies Librarian at North Carolina State University (NCSU) Libraries, where he performs metadata activities that support library information services and collections. He has collaborated on endeavors to enhance the discovery of library services and collections on the open web, including exposing NCSU Libraries digital special collections data as data. In addition to these endeavors, Jacob has taught workshops at NCSU Libraries on and semantic markup.

data visualization for librarians

Eaton, M. E. (2017). Seeing Seeing Library Data: A Prototype Data Visualization Application for Librarians. Journal of Web Librarianship, 11(1), 69–78. Retrieved from

Visualization can increase the power of data, by showing the “patterns, trends and exceptions”

Librarians can benefit when they visually leverage data in support of library projects.

Nathan Yau suggests that exploratory learning is a significant benefit of data visualization initiatives (2013). We can learn about our libraries by tinkering with data. In addition, handling data can also challenge librarians to improve their technical skills. Visualization projects allow librarians to not only learn about their libraries, but to also learn programming and data science skills.

The classic voice on data visualization theory is Edward Tufte. In Envisioning Information, Tufte unequivocally advocates for multi-dimensionality in visualizations. He praises some incredibly complex paper-based visualizations (1990). This discussion suggests that the principles of data visualization are strongly contested. Although Yau’s even-handed approach and Cairo’s willingness to find common ground are laudable, their positions are not authoritative or the only approach to data visualization.

a web application that visualizes the library’s holdings of books and e-books according to certain facets and keywords. Users can visualize whatever topics they want, by selecting keywords and facets that interest them.

Primo X-Services API. JSON, Flask, a very flexible Python web micro-framework. In addition to creating the visualization, SeeCollections also makes this data available on the web. JavaScript is the front-end technology that ultimately presents data to the SeeCollections user. JavaScript is a cornerstone of contemporary web development; a great deal of today’s interactive web content relies upon it. Many popular code libraries have been written for JavaScript. This project draws upon jQuery, Bootstrap and d3.js.

To give SeeCollections a unified visual theme, I have used Bootstrap. Bootstrap is most commonly used to make webpages responsive to different devices

D3.js facilitates the binding of data to the content of a web page, which allows manipulation of the web content based on the underlying data.


JSON and Structured Data

JSON and Structured Data

JSON replace XML. lightweight data-interchange format. Often used with AJAX (send data forth back client, server, without refresh)

Data types:
number: no dfference between integer and floats
string: string of unicode characters “”
Boolean: true and false
array: ordered list of 0 and more values
Object: unordered collection of key/value pairs
Null: empty value

JSON Syntax Rules:
uses key/value pairs – {“name”;”brad”} .     uses double quotes around Key and value .     must use the specific data type .   file type is “.json” .   MIME type is “application/json”

strings: text enclosed in single or double quotation marks
numbers: integer or decimal, positive or negative
booleans: true or false, no quot marks
null: means “nothing,” no quot marks

arrays are lists in square brackets, comma separated, can mix data types

objects are JSON dictionaries in curly brackets, keys and values are separated by a colon, pairs are separated by commas. keys and values can be any data type, but string is the most common value for a key

nesting : arrays and objects inside each other
can put arrays inside objects, objects inside


DPLA aggregation webinar

DPLA aggregation webinar

Digital Public Library of America (DPLA)

Open Archives Initiative, OAI



Heather Gilbert and Tyler Mobley from the South Carolina Digital Library

Metadata schema and elements: required, recommended, optional.
required: e.g., contributing institution, date digital, digitization

one central hub as aggregate and 3 other hubs to collect, scan etc.
use ofTab-separated values TSV, JavaScript Object Notation JSON, OASIS Open Document Format for Office Applications  ODF

Tyson Mobley:
OCLC multi-site server, aggragated Blacklight catalog –

Project Blacklight :: Blacklight (open source)
Apache Solr – java based search index. highly scalable

complications: multiple metadata formats, but variations of Dublin core.
Solr is not a relational dbase, so management of separate partners’ records in a single Solr index was issue to make it relational.

Gretchen Gueguen
Data Services Coordinator from DPLA
metadata mapping
aggregates data from libraries, archives, museums etc
Content hubs and services hubs (so LRS at SCSU)

For q/s:

Metadata is basis of the work of DPLA. We rely on a growing network of hubs that aggregate metadata from partners, then we, in turn, aggregate the hubs’ metadata into the DPLA datastore. As we continue to grow our hub network, we have found the practical matter of how to aggregate partner metadata and deal with quality control over the resulting aggregated set becomes our biggest challenge. If your organization is interested in becoming a part of the DPLA network, or if you are interested in how the DPLA works with metadata, we will be hosting a webinar on January 22nd, at 2pm Eastern, about our workflows, and our future development in this area. The webinar will examine the aggregation best practices at two of our DPLA Service Hubs, as the basis of a conversation about metadata aggregation practices among our Hubs. In addition, DPLA has been working on some new tools for metadata aggregation and quality control that we’d like to share. We’ll preview some of our plans and hope to get feedback on future directions. Speakers: Lisa Gregory and Stephanie Williams of the North Carolina Digital Heritage Center Heather Gilbert and Tyler Mobley of the South Carolina Digital Library Gretchen Gueguen of DPLA