vidarch preserving video objects and context: a demonstration project helen r. tibbo school of...

VidArchPreserving Video Objects and Context: A Demonstration

Project Helen R. Tibbo

School of Information and Library Science University of North Carolina at Chapel Hill

[email protected]

JCDL 2006 Chapel Hill, NC June 13, 2006

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Funding for this Project

This work was supported by a grant from the National Science

Foundation #IIS 0455970 DigArch Program


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VidArch Team Gary MarchioniniGary Marchionini Helen TibboHelen Tibbo Christopher LeeChristopher Lee Paul JonesPaul Jones

Special Thanks to SILS Students:Special Thanks to SILS Students: Dawne HowardDawne Howard

Terrell RussellTerrell Russell

Sanghee OhSanghee Oh

Yaxiao SongYaxiao Song


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VidArch Partners

National Aeronautics and Space National Aeronautics and Space Administration (NASA) Administration (NASA)

Association of Computing Association of Computing Machinery (ACM)Machinery (ACM)

Open Video (OV)Open Video (OV) ibiblioibiblio


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Challenges of Video Preservation

Temporal medium with multiple Temporal medium with multiple information representation information representation channelschannels Multiple visual and audio Multiple visual and audio Human-readable or machine-Human-readable or machine-

readable content.readable content. Video object’s meaning is greater Video object’s meaning is greater

than the sum of its parts;than the sum of its parts; Preservation must attend to the Preservation must attend to the

whole as well as the parts.whole as well as the parts.


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Goals of Project Make videos not only Make videos not only accessibleaccessible, but also , but also understandableunderstandable in the future; in the future;

Develop a preservation framework for digital Develop a preservation framework for digital video context that includes preservation of video context that includes preservation of persistent context;persistent context;

Develop a workflow model that focuses on the Develop a workflow model that focuses on the capture of contextual information;capture of contextual information;

Explore the design and feasibility of a video or Explore the design and feasibility of a video or multimedia-enhanced finding aid;multimedia-enhanced finding aid;

Develop decision support tools for the Develop decision support tools for the acquisition, ingest, and preservation of context.acquisition, ingest, and preservation of context.


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Theoretical Foundation Builds from OAIS Reference Model;Builds from OAIS Reference Model; Blends conceptualizing power of Blends conceptualizing power of

archival finding aids with complexity archival finding aids with complexity and information-rich nature of video;and information-rich nature of video;

Based in the vision that long-term Based in the vision that long-term provision of contextualized accessprovision of contextualized access Makes digital objects understandable over Makes digital objects understandable over

time;time; Is essential to long-term preservation;Is essential to long-term preservation; Is dependent on metadata.Is dependent on metadata.


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Metadata Several schemes and standards – Several schemes and standards –

METS, NLNZ, etc.;METS, NLNZ, etc.; Preservation metadata – PREMIS;Preservation metadata – PREMIS; What is needed for long-term access What is needed for long-term access

and understandability?and understandability? Object-specific annotations;Object-specific annotations; Collection-level descriptions and Collection-level descriptions and

integration/ links among objects;integration/ links among objects; State of the world information.State of the world information.


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Context…

Can make materials useful and Can make materials useful and comprehendible across time and comprehendible across time and space;space;

Is a hallmark of a well-written Is a hallmark of a well-written finding aid;finding aid;

Is often expensive to capture.Is often expensive to capture.


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Open Video Housed within SILS;Housed within SILS; Collects and makes available Collects and makes available

digitized video content for a wide digitized video content for a wide audience;audience;

Significantly, Open Video began as a Significantly, Open Video began as a projectproject to provide researchers with to provide researchers with accessaccess to video to facilitate the study to video to facilitate the study of video problems; of video problems;

It now finds itself a It now finds itself a repositoryrepository with with preservationpreservation as well as access needs. as well as access needs.


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NASA Collection 2003, partnered with NASA 2003, partnered with NASA

Langley’s Center for Distance Langley’s Center for Distance Learning;Learning;

OV provides digital video file OV provides digital video file version of four educational version of four educational programs;programs;

Video comes from NASA and Video comes from NASA and passes through the OV workflow.passes through the OV workflow.


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NASA Collection on OV


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ACM Collection Videos presented at research Videos presented at research

conference sponsored by the conference sponsored by the Association of Computing Association of Computing Machinery;Machinery;

SIGCHI has accepted juried videos SIGCHI has accepted juried videos since 1983;since 1983;

427 videos in OV’s ACM collection;427 videos in OV’s ACM collection; Videos of widely varying quality Videos of widely varying quality

with a range of metadata.with a range of metadata.


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VidArch Methodology Explore Open Video workflow;Explore Open Video workflow; Identify sources of context from OV Identify sources of context from OV

workflow process;workflow process; Build framework to articulate sources Build framework to articulate sources

of context in OAIS model and OV of context in OAIS model and OV workflow;workflow;

Create media-enhanced finding aids Create media-enhanced finding aids that capture context.that capture context.


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Digital Archiving & OAIS Model

OAIS indicates the importance of OAIS indicates the importance of contextual information but does contextual information but does not describe how to specify it;not describe how to specify it;

We seek to develop a further We seek to develop a further articulation of how context can articulation of how context can best be preserved within the OAIS best be preserved within the OAIS framework.framework.


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Finding Aids & Context Traditional tools of archivists but have Traditional tools of archivists but have

not often been exploited in digital not often been exploited in digital library settings;library settings;

FAs provide context for access and FAs provide context for access and understandability over time;understandability over time;

FAs involve substantial intellectual FAs involve substantial intellectual work and professional judgment on work and professional judgment on the part of archivists.the part of archivists.


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NASA Collection Finding Aid


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Finding Aids FAs can contain several levels of FAs can contain several levels of

hierarchy: hierarchy: the entire collection; the entire collection; series and subseries; andseries and subseries; and listing of individual materials.listing of individual materials.

Encoded Archival Description FAs Encoded Archival Description FAs can take advantage of multiple can take advantage of multiple media, hyperlinks, and interactive media, hyperlinks, and interactive behaviors.behaviors.


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VidArch View of Finding Aids

Traditionally, context in finding aids Traditionally, context in finding aids relates to the entities involved in the relates to the entities involved in the creation of the records creation of the records individuals, individuals, organizations and functions, andorganizations and functions, and the nature of the records themselves.the nature of the records themselves.

VidArch is identifying a typology of VidArch is identifying a typology of elements (Object, Agent, Event, elements (Object, Agent, Event, Time, Place, Related Concepts), to Time, Place, Related Concepts), to be documented within video be documented within video collections.collections.


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VidArch View of Finding Aids

FAs should be considered not just FAs should be considered not just access devices but also digital access devices but also digital objects;objects;

FAs should be ingested into the OAIS FAs should be ingested into the OAIS and preserved along with the target and preserved along with the target videos;videos;


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Life Cycle of Digital Videos from NASA in

Open Video


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Workflow and Sources of Context

The solid arrows in the figure show The solid arrows in the figure show current information flows;current information flows;

Dashed arrows indicate potential for Dashed arrows indicate potential for capturing further contextual capturing further contextual information;information;

11stst Stage: Functional provenance Stage: Functional provenance within NASA;within NASA;

2nd Stage: Video production 2nd Stage: Video production activities NASA;activities NASA;

33rdrd Stage: Distribution of the video. Stage: Distribution of the video.


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NASA Video Context Analysis Sheet

Target Video ObjectTarget Video Object Name Name Program Program Episode Episode URLURL

Entity within Video to be ContextualizedEntity within Video to be Contextualized NameName Category (Object, Agent, Event, Time, Category (Object, Agent, Event, Time,

Place, Related Concepts)Place, Related Concepts) Relation (What role the entity is Relation (What role the entity is

playing)playing)


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NameName URL of Item URL of Item

Providing Providing ContextContext

RelationRelation Resource Resource TypeType

Location Location Type of File/ObjectType of File/Object Time to FindTime to Find Size of FileSize of File Openly AccessibleOpenly Accessible Annotations/Annotations/

CommentsComments

Item Providing ContextItem Providing Context


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Name Program Episode URL Name Category of Item

Relation Name URL Relation Resource Type

Location Type of File/

Object

Time to Find

Size of File Openly Accessible

Annotations/ Comments

Target Video Object Entity to be Contextualized Item Providing Context



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Curator’s OAIS Responsibilities

Curators of digital video Curators of digital video collections must decide what collections must decide what subset of the total potential subset of the total potential documentation (existing or documentation (existing or created by the curator) related to created by the curator) related to the digital videos should be the digital videos should be reflected in the descriptive and reflected in the descriptive and

access tools of the archive and access tools of the archive and submitted to the archive as SIPs in submitted to the archive as SIPs in

order to be ingested for long-term order to be ingested for long-term preservation.preservation.


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Ongoing & Emerging Collaborations

SILS, ibiblio, & Open VideoSILS, ibiblio, & Open Video The Internet Archive & Prelinger The Internet Archive & Prelinger

ArchiveArchive San Diego Supercomputer CenterSan Diego Supercomputer Center Renaissance Computing Center Renaissance Computing Center

and UNC Institutional Repository and UNC Institutional Repository efforts.efforts.


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Thank You!

Slides from this presentation will be Slides from this presentation will be found at: found at:

http://ils.unc.edu/vidarchhttp://ils.unc.edu/vidarch

[email protected]@ils.unc.edu

http://ils.unc.edu/vidarch

vidarch preserving video objects and context: a demonstration project helen r. tibbo school of...

Documents

preservation of context

digital video context

longterm preservation

parts preservation

parts video objects

chapel hill

preservation framework

digital objects understandable