Collaborative Construction of Artifacts

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Information about Collaborative Construction of Artifacts

Published on July 2, 2008

Author: ebner

Source: slideshare.net

Description

Presentation at the Conference on Professional Knowledge Management in Potsdam, Germany.

Collaborative Construction of Artifacts Presenter Hannes Ebner < hebner@csc.kth.se> Co-authors Matthias Palmér <matthias@csc.kth.se> Ambjörn Naeve <amb@csc.kth.se>

Presenter

Hannes Ebner < hebner@csc.kth.se>

Co-authors

Matthias Palmér <matthias@csc.kth.se>

Ambjörn Naeve <amb@csc.kth.se>

Motivation Support for collaborative authoring of Context-maps

Support for collaborative authoring of Context-maps

Problems to avoid Collaboration around documents is hard - One editor at a time - Concurrent changes often require user interaction - Access rights to the document have to be defined - Locking might be necessary Information loss during the collaboration phase - Lack of provenance information, e.g. authors, modification dates on various parts - Lack of historical development, e.g. version control “Final version”, no continuous improvement

Collaboration around documents is hard

- One editor at a time

- Concurrent changes often require user interaction

- Access rights to the document have to be defined

- Locking might be necessary

Information loss during the collaboration phase

- Lack of provenance information, e.g. authors, modification dates on various parts

- Lack of historical development, e.g. version control

“Final version”, no continuous improvement

The Solution Artifacts - Represented by an identifier and corresponding metadata with a description, intention, target group, etc. - An open ended set of contributions - Dependency tree Information directory - Manages the metadata - Keeps track of contributions and their metadata - Provides pointers to where to find contributions

Artifacts

- Represented by an identifier and corresponding metadata with a description, intention, target group, etc.

- An open ended set of contributions

- Dependency tree

Information directory

- Manages the metadata

- Keeps track of contributions and their metadata

- Provides pointers to where to find contributions

Perspectives on an Artifact Standard perspective as agreed upon by authors and contributors User perspective: standard perspective plus optional contributions, supports... - Inspection of metadata of available contributions - Selection of a range of contributions - Calculation of a perspective based on the selection - Reevaluation of a selection ...

Standard perspective as agreed upon by authors and contributors

User perspective: standard perspective plus optional contributions, supports...

- Inspection of metadata of available contributions

- Selection of a range of contributions

- Calculation of a perspective based on the selection

- Reevaluation of a selection

...

Translated to Context-maps

Translated to Context-maps A Context-map is an artifact, a contribution to it may be: - A range of concepts to include - Alternative descriptions of already included concepts - Resources on concepts, such as pictures, documents etc. A concept may be an artifact, a contribution to it may be: - Contributions in the form of metadata - Content In short: Everything that you need to collaborate around may be an artifact if there exists a mechanism to automatically merge the contributions

A Context-map is an artifact, a contribution to it may be:

- A range of concepts to include

- Alternative descriptions of already included concepts

- Resources on concepts, such as pictures, documents etc.

A concept may be an artifact, a contribution to it may be:

- Contributions in the form of metadata

- Content

In short: Everything that you need to collaborate around may be an artifact if there exists a mechanism to automatically merge the contributions

Collaborilla – an Information Directory Information on artifacts - Type: Context-map, Agent, Container, Concept - Metadata (title, description, purpose, author/contributor, ...) - Required and optional contributions Information on contributions - Resolves identifiers of contributions to physical resources - Metadata Wiki-style editing: No authentication required

Information on artifacts

- Type: Context-map, Agent, Container, Concept

- Metadata (title, description, purpose, author/contributor, ...)

- Required and optional contributions

Information on contributions

- Resolves identifiers of contributions to physical resources

- Metadata

Wiki-style editing: No authentication required

Collaborilla – Used Technologies Current implementation - LDAP as data store - WebDAV on top of Subversion for managing contributions - Clear-text protocol for read and write access, HTTP oriented Future plans - Content repository (JCR/JSR-170) - ReST based Web Services - Authentication

Current implementation

- LDAP as data store

- WebDAV on top of Subversion for managing contributions

- Clear-text protocol for read and write access, HTTP oriented

Future plans

- Content repository (JCR/JSR-170)

- ReST based Web Services

- Authentication

Conzilla Concept browser - Basics: contexts, content, and information - Authoring tool Collaborative extension - Inspect and select contributions - Author and publish contributions - Supported by the Collaborilla information directory

Concept browser

- Basics: contexts, content, and information

- Authoring tool

Collaborative extension

- Inspect and select contributions

- Author and publish contributions

- Supported by the Collaborilla information directory

Future research How to go from individual seeding of artifacts to encouraging others to provide contributions Transparency of ownership Licensing / reusing

How to go from individual seeding of artifacts to encouraging others to provide contributions

Transparency of ownership

Licensing / reusing

Further information Knowledge Management Research group, KTH http://kmr.nada.kth.se Project pages http://www.conzilla.org http://collaborilla.conzilla.org Open source, contributions welcome!

Knowledge Management Research group, KTH

http://kmr.nada.kth.se

Project pages

http://www.conzilla.org

http://collaborilla.conzilla.org

Open source, contributions welcome!

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