Archival Stewardship of using ePADD Glynn Edwards Stanford University Libraries March 2, 2016

ePADD – conceptual timeline 2010 AIMS Project MUSE software used on Creeley archive ( ) 2012 ePADD Project Treat grant – online Discovery platform (2012) Treat grant 2 – UI development (2015) NHPRC grant – 2 year development ( ) ePADD Release 1.0 (2015) 2015 ePADD Phase 2 Treat grant 3 – Enhanced NER development IMLS grant – continued development ( )

ePADD [main features] Release 1.0 ​ - July 1, 2015 ■ ​ Intellectual Content Appraisal ​​ ■Lexicons ​ (editable) ​ ■Regular expression searching ​ ■Query Generator ​​ ■Attachment Browsing ​ –Image ​ –Text ​ ■Entity Resolution ​ Release 1.01 – Oct new features ■Ability to search messages by date. ■Ability to sort results by relevance or date (ascending/descending). ■Sentiment lexicon added to list of default lexicons. ■Ability to import a CSV file of addresses to match against those included in the archive

Regular Expression Search

Regular Expression Search - results

ePADD Lexicon Searches ■Multiple queries at a time ■Stemming search ■Search terms saved for future use ■Example: Sentiments

Sensitive Lexicon Search – graph view

Query Generator Basic Search ■Users enter search terms ePADD Query Generator ■System generate search terms from text provided

ePADD Disambiguation ■External resolution –ePADD resolves entities to the FAST for person names, and Freebase for location and organizations. ■Internal resolution –ePADD generates a list of internal “authority” records consisting of all recognized entities and multi-word address book names –When the user hovers over such names or acronyms in an , possible resolutions to internal authority records are shown in decreasing order of confidence.

ePADD 2 [project site] du/projects/epadd

ePADD 2 [GitHub] issue for release 2.0 (June 2016) ePADD/epadd/issu es

ePADD 2 [roadmap] ■Preservation ■Cross-collection searching ■Linked open data (LOD) ■Social network and other visualizations ■Annotation management