1. Sergej Zerr, Ivana Marenzi
Let’s Search Together! : Collaborative Web .
Sergej Zerr, Ivana Marenzi 1
23. Juli 2010 1

2. Collaboration Often we need more than one hand
I will use the following 20 minutes as follows:
Sometimes more than one brain
“Why the Many Are Smarter Than the Few and
How Collective Wisdom Shapes Business,
Economies, Societies and Nations”
James Suroewicki 2
Sergej Zerr 2

3. Wolfgang Nejdl
14. Juli 2010

4. ?
Wolfgang Nejdl
14. Juli 2010

5. Collaboration in WWW can be used:
I will use the following 20 minutes as follows:
Collaborative tagging,
Favorite assignments
Nederland, netherlands, holland, dutch
Rotterdam, wielrennen, cycling, duck
le grand depart, tour de france,
Reklame, caravan, Funny Fotos 5
Sergej Zerr 5

6. Collaboration Collaborative work needs to be managed efficiently
I will use the following 20 minutes as follows:
Kasparov won against the world 6
Sergej Zerr 6

7. Collaboration Criteria Description Diversity of opinion
Each person should have private information.
Independence
People's opinions aren't determined by the opinions of those around them.
Decentralization
People are able to specialize and draw on local knowledge.
Aggregation
Some mechanism exists for turning private judgments into a collective
I will use the following 20 minutes as follows: 7
James Suroewicki: The Wisdom of Crowds
Sergej Zerr 7

8. Collaborative Search:
Identify Information need
Search process
Save/Bookmark
Annotate/Organize
I will use the following 20 minutes as follows:
How to support users by collaborative searching?
Ideas
Tools(Web 2.0)
7 minutes 8
Sergej Zerr 8

9. What are the typical collaborative search tasks?
Watched over someone’s shoulder as he/she searched the Web, and suggested alternate query terms.
ed someone links to share the results of a Web search.
ed someone a textual summary to share the results of a Web search.
Called someone on the phone to tell them about the results of a Web search.
I will use the following 20 minutes as follows:
Morris, M.R. A Survey of Collaborative Web Search Practices. In Proceedings of 26th CHI Conference 2008
Around 90% of Microsoft employees are engaged in collaborative search activities. 9
Morris, M.R. A Survey of Collaborative Web Search Practices. In Proceedings of 26th CHI Conference 2008
Sergej Zerr 9

10. Software support for Co-located search (CoSearch).
I will use the following 20 minutes as follows: 10
Amershi, S., Morris, M. CoSearch: System for colocated collaborative Web search. In Proceedings of 26th CHI Conference 2008
Sergej Zerr 10

11. Software support for Co-located search (CoSearch).
Qualitative criteria
5 point Likert scale (5=strongly agree)
Was CoSearch easy to use? 3
Were the colors useful?
4.5
Was the query queue useful? 4
Were color tabs useful?
Mobile view useful?
I would use CoSearch at work and in the school
I would use CoSearch at home
3.5
I will use the following 20 minutes as follows: 11
Amershi, S., Morris, M. CoSearch: System for colocated collaborative Web search. In Proceedings of 26th CHI Conference 2008
Sergej Zerr 11

12. WeSearch: Collaborative Sensemaking (Hardware support)
I will use the following 20 minutes as follows: 12
Meredith Ringel Morris, Jarrod Lombardo, and Daniel Wigdor WeSearch: supporting collaborative search and sensemaking on a tabletop display. In Proceedings of the 2010 ACM conference on Computer supported cooperative work (CSCW '10). ACM, New York, NY, USA,
Sergej Zerr 12

13. WeSearch: Collaborative Sensemaking
Qualitative criteria (7 point Likert scale)
The system was easy to use 6
High awareness af others‘ activity 5
Export record for later view was useful
Prefer clip cutting instead of clip search
I will use the following 20 minutes as follows: 13
Meredith Ringel Morris, Jarrod Lombardo, and Daniel Wigdor WeSearch: supporting collaborative search and sensemaking on a tabletop display. In Proceedings of the 2010 ACM conference on Computer supported cooperative work (CSCW '10). ACM, New York, NY, USA,
Sergej Zerr 13

14. Spatial distributed Search (SearchTogether)
(a) integrating messaging
(b) query awareness,
(c) current results
(d) recommendation queue
(e)(f)(g) search buttons
(h) page-specific metadata
(i) toolbar
(j) browser
I will use the following 20 minutes as follows: 14
Morris, M.R. & Horvitz, E. SearchTogether: An Interface for Collaborative Web Search. In Proceedings of the UIST 2007
Sergej Zerr 14

15. Spatial distributed Search (SearchTogether)
38% af all result lists were the consequence of using history
70 positive and 9 negative ratings
22 of 36 recommendation were viewed by the recipients
Qualitative criteria (5 points Likert scale)
Collective tokens
SearchTogether helped to complete the joint task
3.9
SearchTogether is more effective than other tools
4.1
I will use the following 20 minutes as follows: 15
Morris, M.R. & Horvitz, E. SearchTogether: An Interface for Collaborative Web Search. In Proceedings of the UIST 2007
Sergej Zerr 15

16. Improvement Through Collaborative Ranking
I will use the following 20 minutes as follows: 16
Agrahri, A., Manickam, D., Riedl, J. Can people collaborate to improve the relevance of search results? In Proceedings of the ACM International Conference on Recommendation Systems 2008
Sergej Zerr 16

17. Improvement Through Collaborative Ranking
I will use the following 20 minutes as follows:
Shopping queries gained the most from the collaborative ranking. Business queries from Google ranking 17
Agrahri, A., Manickam, D., Riedl, J. Can people collaborate to improve the relevance of search results? In Proceedings of the ACM International Conference on Recommendation Systems 2008
Sergej Zerr 17

18. Hardware support for Co-located(TeamSearch).
I will use the following 20 minutes as follows:
Circles are categories: people, location, year, event 18
Morris, M.R., Paepcke, A., and Winograd, T. Team-Search: Comparing Techniques for Co-Present Collaborative Search of Digital Media.
Sergej Zerr 18

19. Hardware support for Co-located(TeamSearch).
Qualitative criteria (7 points Likert scale)
Collective tokens
Parallel tokens
I worked closely with the other members of my group to accomplish this task.
5.75
4.88
Members of the group communicated with each other effectively. 5
The group worked effectively as a team on this task.
4.81
I will use the following 20 minutes as follows:
Quantitative criteria
Collective
Parallel
Optimal set of photos (ideal 5)
6.5
7.5
Query rate
0.056 q/s
0.11 q/s
Distribution balance queries per member (standard deviation)
5.78
9.09 19
Morris, M.R., Paepcke, A., and Winograd, T. Team-Search: Comparing Techniques for Co-Present Collaborative Search of Digital Media.
Sergej Zerr 19

20. Smalltalk, what should be the properties of a perfect collaborative system?
I will use the following 20 minutes as follows: 20
Sergej Zerr 20