Textus Overview

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Textus Overview

  1. 1. TEXTUS Import, structure, annotate, read & shareAn overview of the TEXTUS project.Early design phase, 15th Feb 2012, Tom Oinn (tom.oinn@okfn.org)
  2. 2. Document Pipeline Share Annotate Import Read Add Structure
  3. 3. Annotations● Defined as any piece of metadata pertaining to a section of the text, whether automatically created or manually added by a user● Location, type and type specific fields ○ References back to scanned pages ○ Free text comments ○ Author, title, edition, publication date and other bibliographic metadata● Locations stored as character ranges within text, but rendered with reference to structure
  4. 4. Structure● Heirarchical, initially containing a single root node corresponding to the entire text● Nodes have type, location and metadata ○ Types determined by type of text ○ Location specified as character range ■ Location must be contained by parent location● Shows context when browsing● Translates annotation locations for display ○ e.g. "20665 to 20782" becomes "Section 1 chapter 2 paragraph 12 character 2 to..."● Incrementally defined - can read and annotate texts before any structure exists
  5. 5. Read● View text in browser or download as PDF, ebook etc.● View annotations pertaining to currently visible text ○ Filter annotations by annotation metadata ■ Creator, date etc. ■ Simple search mechanism to create filters ○ See count of non-visible annotations● Location and annotation visibility preferences stored on a per-text, per-user basis
  6. 6. Share● Create sets of annotations ○ Sets have identifiers themselves and can be shared ○ A set containing other sets copies the contained sets ■ Sets of annotations dont change unless the creator explicitly changes them!● Provisional annotations ○ Mark annotations as not validated - still visible but flagged as pending approval● Share any location and set of annotations ○ Stable link which can be shared like any other URL
  7. 7. Specialisation● For each document type we define ○ The node types in the structure tree ○ The annotation types available● Storage and server model is the same for all texts● Front-end presentation may be different to take advantage of type specific structures

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