Preserving Virtual Worlds

1
Preserving Virtual Worlds
Representation of Complex Objects
Collection Development Interpretive Activities

• Jerome McDonough
• Graduate School of Library Information Science
• University of Illinois at Urbana Champaign

Henry Lowood Green Library Stanford University
2
PVW Project Goals

• To help develop mechanisms and methods for
  preserving digital games and interactive fiction
  by
• Investigating preservation issues through a
  series of archiving case studies
• Developing basic standards for metadata and
  content representation
• Archiving key representative content and
• Building community awareness of issues.

3
Project Outline

• Phase I Background research on preserving
  interactive behavior and case set definition
• Phase II Development of schema/ontologies
  necessary for representation and contextual
  information and recommendations for best practice
  in use of wrappers
• Phase III Implementation and testing via ingest
  of content at Stanford and UIUC.

4
You are in a maze of twisty little passages, all
alike.
5
XML Ontologies vs. The BFG 9000
6
Preserving DOOM
DooM 1
DooM 2
DooM 3
Source Code
Media Assets
Source Code
Media Assets
Source Code
Media Assets
Binaries
DOOM WAD
Install Scripts
Binaries
DOOM WAD
Install Scripts
Binaries
Map Texture
Install Scripts
Binaries
DOOM WAD
Altered OS Files
Binaries
DOOM WAD
Altered OS Files
Binaries
Map Texture
Altered OS Files
7
Preserving DOOM
Versions (Works)
DooM 1
DooM 2
DooM 3
Source Code
Media Assets
Source Code
Media Assets
Source Code
Media Assets
Binaries
DOOM WAD
Install Scripts
Binaries
DOOM WAD
Install Scripts
Binaries
Map Texture
Install Scripts
Binaries
DOOM WAD
Altered OS Files
Binaries
DOOM WAD
Altered OS Files
Binaries
Map Texture
Altered OS Files
8
Preserving DOOM
Version???
9
Preserving DOOM
Expressions
DooM 1
DooM 2
DooM 3
Source Code
Media Assets
Source Code
Media Assets
Source Code
Media Assets
Binaries
DOOM WAD
Install Scripts
Binaries
DOOM WAD
Install Scripts
Binaries
Map Texture
Install Scripts
Binaries
DOOM WAD
Altered OS Files
Binaries
DOOM WAD
Altered OS Files
Binaries
Map Texture
Altered OS Files
10
OAIS FRBR Ontologies
Content Information
Preservation Desc.
Data Object
Context Information
DOOM 1
PC Architecture (circa 1993)
Speed Runs, MODS
DOOM Binaries
DOOM WAD
Other Media (Movie, Comics)
MS-DOS 6.0
Representation Information
Provenance Information
MS-DOS EXE Specification
DOOM WAD Specification
PREMIS Record
Intel 486 Dev Manual
11
Super Work
Context
Successor Whole/part Transformation
Work
Revision Translation Successor Whole/Part Transfor
mation
Provenance
Expression
Representation Information
Alternate Whole/Part
Manifestation
Reproduction Whole/Part
Item
Provenance Metadata
Technical Metadata
12
Packaging DOOM
ltdescMDgt ltmdWrapgt ltrdfDescription
rdfaboutFile URIgt ltpvwRepInfogtURI
for Rep Infolt/pvwRepInfogt
lt/rdfDescriptiongt lt/mdWrapgt lt/descMDgt ltfileSec
gt ltfileGrpgt ltfile hrefFile URI /gt
lt/fileGrpgt lt/fileSecgt
PVW Ontology
ltoreaggregates rdfresourceFile
URIgt ltrdfDescription rdfaboutFile URIgt
ltpvwRepInfogtURI for Rep Infolt/pvwRepInfogt lt/rdf
Descriptiongt
13
Packaging DOOM
Superwork
DOOM
Work
DOOM 3
DOOM 2
DOOM 1
Expression
Binary
Source Code
Binary
Source Code
Binary
Source Code
Manifestation
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Content Files
Packaging File (METS, OAI-ORE, XFDU, etc.)

14
Collection Development Interpretive Activities
Video courtesy of Internet Archives Archiving
Virtual Worlds Moving Image Collection http//www
.archive.org/details/virtual_worlds
15
Gaming as Best Case Scenario Digital Preservation
16
A Cautionary Tale
17
A Cautionary Tale
18
Humanities Data Curation
19
Humanities Data Curation
20
Thank you

• For more information http//pvw.illinois.edu/pvw
• Jerome McDonough
• jmcdonou_at_illinois.edu