Presentation on Collaborative and Human-Computer Information Retrival on the Seminar of Intelligent Knowledge Management Systems class of the Informatics Engineering master at the Faculty of Science and Technology of University of Coimbra, Portugal.

1. Recolha colaborativa de informação Pedro Machado Santa Sistemas Inteligentes de Gestão do Conhecimento Departamento de Engenharia Informática da Universidade de Coimbra 17 de Maio 2011 1

2. Sumário Desafios à recolha de informação Human-ComputerInformationRetrieval CollaborativeInformationRetrieval Conclusões e Considerações finais 2

4. Imagens, musica, código, streams, estatísticas, etc

5. Multimedia, multilingual

6. Dinâmico

7. Temporal (ex., blogs, wikis, sensor streams)

9. LivrariasDigitais, colecçõespessoais (conteúdocurado?)Conteúdoadquirehistória -> Recolha de contexto 3

10. 4 Algoritmo de Matching Espaço de Documentos Espaço de Pesquisas Surrogates Surrogates Termos Pesquisa A Amostra Amostra Vectores Pesquisa B Etc. Etc. “A powerful paradigm that has driven IR R&D for half a century . Evaluation metric is effectiveness of the match. (e.g., recall and precision).” G. Marchionini (2006)

11. 5 http://www.flickr.com/photos/verbeeldingskr8/3638834128

12. “‘Automatic’ classification works best when its application is supported by humans with knowledge of the domain and the techniques at hand.” G. Marchionini (2006) 6

13. 7

14. Human-ComputerInformationRetrieval 8

15. 9 Human-ComputerInteraction InformationRetrieval HCIR

16. Human–computer information retrieval (HCIR) is the study of information retrieval techniques that bring human intelligence into the searching process. J. M. Fernandez-Lunaet al. (2009) 10

17. IR from the perspective of an active human with information needs, information skills, powerful IR resources (that include other humans) situated in global and local connected communities — all of which evolve over time G. Marchionini (2006) 11

18. 12

20. CollaborativeInformationretrieval 14

21. CIR HCIR 15 ComputerSupportedCooperativeWork Human-ComputerInteraction InformationRetrieval

22. 16

23. “a field concerned with the real-time, explicit collaboration which occurs when multiple users search together to satisfy a shared information need. This collaboration can take place either with he users working remotely, or, in a co-located setting” C. Foley (2008) 17

24. “any activity that collectively resolves an information problem taken by members of a work-team” Dumaiset al. (2000) 18

27. Conclusões e Considerações Finais 20

28. 21 ?

29. Social InformationRetrieval? 22

30. 23 http://hpc.isti.cnr.it/?p=233

31. Referências Dumais, S., Grudin, J., Bruce, H., Fidel, R., Poltrock, S., & Pejtersen, A. M. (2000). Collaborative information retrieval (cir). The New Review of Information Behaviour Research, 1, Pages 235–247. Foley, C. (2008). Division of labour and sharing of knowledge for synchronous collaborative information retrieval. Ph.D. Thesis, Dublin City University School of Computing and Centre for Digital Video Processing, Ireland. Juan M. Fernandez-Luna, Juan F. Huete, Ramiro Perez-Vazquez, Julio C. Rodri'guez-Cano, (2010). CIRLab: A groupwareframework for collaborativeinformationretrievalresearch.InformationProcessing & Management, Volume 46, Issue 6, CollaborativeInformationSeeking, November 2010, Pages 749-761 Marchionini, G., (2007) Human-computer information retrieval lecture.“InformationInLife” Digital Video Series, UniversityofNorth Carolina atChapelHill, http://www.youtube.com/watch?v=noMQjrACHxQ Marchionini, G., (2006) Toward human-computer information retrieval. Bulletin of the American Society for Information Science and Technology, Volume 32, Issue 5, June/July 2006, Pages 20-22 24

32. Questões e Discussão Recolha de Informação Colaborativa Pedro Machado Santa pgms@student.dei.uc.pt http://student.dei.uc.pt/~pgms Departamento de Engenharia Informática da Universidade de Coimbra 25