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  • Data: Primary source data is the openly viewable texts from the HathiTrust Research Center (publications mostly pre-1923).
  • Analysis: HTRC derives tokens, counts, frequencies, publication dates, etc. and composes in SOLR indexes.
  • Visualization: Simple line graph plots of ngram frequency over publication date of the secondary data. Tool has faceting control as well that leverage enriched bibliographic metadata of the texts comprising the primary data. 
  • Examples

Network Analysis

Example: Linked Jazz is an interactive visualization of various types of connections between notable Jazz artists. 

  • Data: Transcripts of oral histories from the archives of several institutions. (See https://linkedjazz.org/data-sources/ for explanation.)
  • Analysis: Entities (names of Jazz artists) are extracted, and relationships analyzed by both automated and human (crowd-sourced) means. (See https://linkedjazz.org/data-productionworkflow-draft/ for details.)  RDF triples (linked data) created.  
  • Visualization: Nodes and connecting edges that represent entities and relationships between them. 

Immersion is a tool for analyzing and depicting connections in email. By design, Immersion collects only header information (From, To, Cc and Timestamp).  The FAQ describes what information you grant access to, how it will be used, and how to delete your data when you are done.  You can also explore with demo data.

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Gephi is a commonly used network analysis tool that is much more flexible and powerful.  It requires local installation.

 

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titleTangent - Spatial and Temporal data

Spatial and Temporal Representation

Viewshare is a free tool provided by the Library of Congress that generates interactive maps and timelines with facets for digital collections. The tool presupposes the setup of a user account and data in columnar form that includes location and/or time related data fields.  A few helpful tutorials are available.

  • Data: User supplied.  The example below is from selected metadata from the Cornell HipHop Collection. It included Photographs from Joe Conzo of the early HipHop Music scene and flyers of HipHop venues. 
  • Analysis: The photos and flyers were cataloged in Shared Shelf with spatial and temporal information of the subjects.  Resulting metadata was downloaded in MS Excel format. 
  • Visualization: Spreadsheet was uploaded into Viewshare, ans minimally set up.  Map and timeline tie to uploaded secondary data. 

Test visualization of digital collections from Cornell University Hip Hop Collection created with Viewshare


Image Analysis

Ukiyo-e.org is a database and image similarity analysis engine, created by John Resig to aide researchers in the study of Japanese woodblock prints. 

  • Data: Over 213,000 digital copies of prints from 24 institutions, and their cataloging metadata.  Metadata is indexed and searchable.  Details are noted in the about page.  
  • Analysis: Image search uses the TinEye matching engine to determine edges in an uploaded sample and compares with analyzed edges in database, returning probable matches. 
  • Visualization: Tiled images of "hits" for easy comparison, with URL links to their metadata in the source institution's catalog.

 

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