Inherit Your Tags - Integration of collaborative tagging and tag proposal into knowledge spaces

Inherit Your Tags Integration of collaborative tagging and tag proposal into knowledge spaces Birger Kühnel Heinz Nixdorf Institute, Computers and Society University of Paderborn, Germany July 2nd 2008, ED-MEDIA 2008, Vienna

Overview 1. Introduction 2. Tagging in Knowledge Spaces 3. Implementation 4. Beneﬁts & Conclusions Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 2

Motivation ”The beauty of tagging is that it taps into an existing cognitive process without adding much cognitive cost.“ 2 Search Find users Tag proposals Aggregation Tagging is popular (28% of all Americans tag) 1 Relations Own Tags Clusters Tag mashes 1 - Pew Internet Life Project: Report on Tagging 2006 http://www.pewinternet.org/PPF/r/201/report_display.asp 2 - Rashmi Sinha, Researcher & Consultant, Uzanto, from: A cognitive analysis of tagging Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 3

Tagging • Widely accepted tripartite model Resources Tags Users t2, t4, t5 - Connection between users and resources via tags t1, t3 5, t6 t1, t • Pivoting among users and resources using tags t1, t3 gives access to resources in a system t1, t2, t3 t2, • Based on an user vocabulary t4, t7 3, t6 t2, t • Taxonomy for tagging systems according to factors like: - Object types, source of material, tagging rights, tagging support • Tagging-systems are mostly connected with other techniques of knowledge organization Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 4

Knowledge Spaces • Concept for coactive working and learning in teams • Allows structuring various resources / objects in in areas, also called rooms • Rooms are equipped with detailed rights management • User-centered self-organisation • Realized in the open-sTeam system, which provides the technical infrastructure collections documents connections objects areas / rooms Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 5

2. Tagging in Knowledge Spaces • Actual conditions - Tagging gains more and more in importance - Functions mainly focused on categorizing homogeneous web content like images or videos - Virtual knowledge spaces allow structuring various kinds of resources in areas • Goal - Enhancement of tagging by using the existing structure of virtual knowledge spaces to improve tagging of ressources - Derive an inheritance structure for tags and concept to generate tag proposals - Improved self-descriptiveness of resources, that reﬂects the structure of knowledge spaces Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 6

Objects in knowledge spaces • Objects have varying qualities in presenting and structuring content • The dimension of use strongly depends on the object type • Tags assigned to an object may have a descriptive function for other objects Object types tag beneﬁts User describe Group describe Room / Area content Collection content Document semantics Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 7

Inheritance of tags to environment and tag proposal to new documents Inheritance to environment Tag proposal to new document User Virtual Knowledge Space Documents in the virtual knowledge space Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 8

Inheritance of tags for users and groups Document A* B C D* E* D* F group A D group F BC .... Tag proposal Users, that on joining the group E F* joined the group A D Environment E Group Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 9

3. Implementation • Implementation uses the open-sTeam server (www.open-steam.org) and the corresponding client application "Medi@rena Composer" Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 10

General tag view • Four Tag sets (A1) • Tag Cloud (A2) • Tag List (A3) • Tags of selected object (A4, A6) • Tag proposal (A5) Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 11

More detailed view of selected tag • Objects with current tag (B1) • Marked object (B2) • List of related tags (B3) Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 12

4. Beneﬁts & Conclusions • The described tagging process supports the structure of the knowledge space. • Tags allow easy access to rooms • An improved self descriptivism of objects • Tag proposal derived from the environment tends to stabilize the vocabulary in tagging systems to a community supported vocabulary over time • By using inheritance in combination with tag proposals, we provide an easier, more efﬁcient way to encourage users to tag their objects ‣ Organizing rooms according to assigned tags, so that objects with a semantic relation are presented closer together in a 2-dimensional visualization ‣ Inform user about the possibility, that an object could also be of interest for a different room or a different group he belongs to Inherit Your Tags | Birger Kühnel | ED-MEDIA 2008 | 13

ed- me d ... 08 ia at ion fo rm re in vie mo nn a F or Dipl.-Inform. Birger Kühnel inh er i birger@uni-paderborn.de tag t you s r http://iug.upb.de/birger un Heinz Nixdorf Institute ive rs Computers and Society pa of ity http://www.open-steam.org University of Paderborn de rbo rn Fürstenallee 11 http://iug.uni-paderborn.de 33102 Paderborn Germany kn vir o tu sp wle al ac dg es e

Inherit Your Tags - Integration of collaborative tagging and tag proposal into knowledge spaces

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