Anais do IHC'2001 - Departamento de Informática e Estatística - UFSC

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188 Anais do IHC’2001 - IV Workshop sobre Fatores Humanos em Sistemas Computacionais researcher, full-time or part-time professor, librarian, administrative staff, or system administrator. The initial room configuration is determined by the user’s role(s). Figure 2. The interface of MiBiblio 4.1 MiBiblio Our first prototypical implementation of personal spaces, which we termed MiBiblio [Fernández et al. 2000b], was made available to users as Java applets that could be downloaded and run at the client level. Figure 2 illustrates the interface of MiBiblio. The idea is straightforward: Users may configure their personal space by changing a room’s physical characteristics and placing book icons (representing library resources) into bookshelves that can be added and moved around at will. Drag-and-drop functionality can be applied practically to any element in the interface. The figure also shows icons for the mobile search agents (owls) and recommender and reference librarian agents (animistic books). The detailed functionality of these agents is beyond the scope of this paper but is available in related publications [Chevalier et al. 2001; Ramírez 2001; Sánchez et al. 2001]. Pull-down menus include options for adding or removing elements from a room, associating library resources with icons, and adding or removing rooms from a personal space. New elements can be added by specific user actions or as a result of agent recommendations or search processes. 4.2 MiStudio Our primary target community of users includes some 8,000 students, professors, researchers and librarians and administrative staff at our university. Given that not all the available computer facilities (mostly SunRay clients and Macintosh personal computers) necessarily comply with the requirements imposed by MiBiblio, we developed a “lighter” version of the interface, which we termed MiStudio.
Anais do IHC’2001 - IV Workshop sobre Fatores Humanos em Sistemas Computacionais 189 Figure 3 shows a typical configuration of the MiStudio interface. Although the graphics used for this representation are of higher quality, the elements in the interface are predefined and the user can only modify the associations between specific objects in the room and library resources. MiStudio is based on dynamic HTML pages, which implement the functionality required to launch applications as needed by the user. In the figure, for example, the picture of Porfirio Diaz on the table is linked to the digital collection of telegrams generated during the administration of this President of Mexico (from 1876 to 1911), whereas the envelope on the table is linked to the Digital Reserve System (RDU) which provides access to documents in the library’s reserve section. Figure 3. The Interface of MiStudio 4.3 EGA We also have implemented a prototype for group spaces which we refer to as EGA (Spanish acronym for Learning Group Spaces). Our current version of EGA implements explicit group spaces (as per our definition in Section 3): any user of the digital library may create (and subsequently own) a group space and send invitations to users who are members of a team or who are potentially interested in a particular discussion subject. Figure 4 illustrates a session of five users who have started a discussion in EGA. Upon entering the “room” representing the group space, every user sees a picture of himself, images of the other users currently logged in, as well as icons that represent library resources (in the bookshelves at the bottom), which have been brought to the room to support the discussion. Users participate in the discussion by posting their comments via a text interface and pointing to digital library resources. Users can make annotations on shared materials and see other users’ annotations. The entire discussion can be saved so latecomers may join a meeting and get up to speed quickly, or the discussion may be suspended and retaken by the group at a different time. In EGA, users can drag their own images and drop them near another user, group of users or library resources. This is intended to reflect positions in a discussion in a visual fashion that can be perceived by all group participants. In this regard, images of users are distributed evenly on the display as users sign in. When an issue is raised, participants may literally take sides: If they agree with a position, they move their images near the user with whom they agree. Additionally, new rooms (or sessions) may be created to include different sets of users for addressing sub-topics or new discussion topics.
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De 15 a 17 de outubro de 2001 Flori
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Sumário Apresentação............
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Análise Ergonômica do Estado da A
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de formidável coesão, denominado
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Sociedade Brasileira de Computaçã
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Fund. Educacional de Criciúma - FU
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Palestras Internacionais Online Com
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Objetivos: O objetivo deste mini-cu
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IV Workshop sobre Fatores Humanos e
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274 4. Considerações Finais Anais
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Anais do IHC'2001 - Departamento de Informática e Estatística - UFSC

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