Perspectives on Tag-clouds

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Perspectives on Tag-clouds for Supporting Reflection in Self-organized Learning<br />Christian Glahn<br />Marcus Specht an...

This presentation is about ...<br />Tagging<br />... and ... <br />

Tag-clouds<br />

Wait!<br />

How is this related to attention metadata?<br />

Applying attention metadata to the domain of learning<br />

Tags and Attention<br />Tags are explicit interest expressions<br /> (Claypool, Le, Wased, & Brown, 2001)<br />Visualisati...

What is described by “attention descriptors”?<br />The Open Question for Attention Metadata<br />

The Open Question for Attention Metadata<br />What are the practical (im|ap)plicationsfor using “attention descriptors”?<b...

How is this related to attention metadata?<br /><br />

Self-controlled<br />Unguided<br />Incidental<br />Self-organized learning<br />Unstructured<br />Embedded in practice<br />

Self-controlled<br />Unguided<br />Knowledgeworkers’learning<br />Unstructured<br />Embedded in practice<br />

How to supportincidental learningof knowledge workers?<br />

Reflection is essential forthe learning of practitioners<br />Planning<br />Monitoring<br />Evaluating<br />(Schön, 1983)<...

Reflection needs Information<br />

Reflection <br /> needs<br />Location<br />Context<br />Peers<br />Processes<br />Projects<br />Presence<br />...

Location<br />Context<br />Peers<br />Processes<br />Projects<br />Presence<br />Collaboration<br />Concepts<br />can be I...

Location<br />Context<br />Peers<br />Processes<br />Projects<br />Presence<br />Collaboration<br />Concepts<br /> ...

Context construction principles for reflection support<br />PerspectiveandContrast<br />

In other words ...<br />Putsets of attention descriptorsinto relation<br />

ReScope<br />(Glahn, Specht, & Koper, 2008)<br />

Encode two sub-sets of Delicious.com tagsinto one tag-cloud.<br />The idea behind ReScope<br />

The hypothesis <br />Depending on the sub-sets reflection will focus on different aspects.<br />

Learning Centred Context Framework<br />

Case 1: Personal Focus<br />

Learning Centred Context Framework<br />

Personal Focus<br />Current Solution<br />Global tag usage<br />Bookmark feed<br /><ul><li>High activity times are under r...

Low activity times are over represented</li></ul>Proposed Alternative<br />Global tag usage<br />Compare against global ta...

What are the differences of the impact onreflection and motivationfor personal information management?<br />

Case 2: Peer Focus<br />

Shared Interestsand Network Trends<br />

Participation Focus<br />Shared Interests<br />Social tag usage in the network<br />Social value of personal tags<br />Net...

Learning Centred Context Framework<br />

Participation Focus<br />Shared Interests<br />Social tag usage in the network<br />Social value of personal tags<br /><ul...

Social value of tagging</li></ul>Network Trends<br />Recent Social tag usage in the network<br />Personal usage of social...

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