Calling all blog researchers! What would you make of this halo pattern? I am still working on the analysis, and actually what I have written below is just the tip of the proverbial iceberg. I have need to look closer at who the links actually represent and why the patterns are like they are… but this is what I have written ROUGHLY so far in my methodology section (at least the bits not in a notebook – still love pen/paper).
I am working on a discourse analysis of academic discourse within a scholarly blogging community of practice (will be an article). As I am in the middle of the analysis, you can expect a lot of this in the coming weeks ;-)
Description of the Academic Community of Practice
The community of practice examined in this article consists of 1,843 academic bloggers (represented by red nodes) connected by 2,758 links (as represented by yellow edges, or lines). As can be seen in the figures below, while these bloggers are connected through reciprocal linking practices, the bloggers still cluster in smaller groups who, upon closer examination, tend to blog about similar topics or blog in similar ways.

This community represents linked behaviors in the month of September, 2008. The community was snowball sampled from one academic blog and a ruby script was used to mine out all links from this blog for September, 2008. This list was then cleared of all non-blog links and the script was then applied to the list of bloggers generated from the first blog. This process was repeated for a total of three degrees away from the original blog. Links included in this analysis were gathered from the sidebar, as well as links from within the September posts.
The visualization of this community of practice illustrates interesting communicative patterns. As can be seen from the figure above, many of the blogs link back to a main blog. This is not the blog initially used to sample this community. The blog in question here is a filter-blogger in the community. That is, this blog filters news that is important to the community and because he is often ‘first’ in this community with news that is deemed important or interesting, he receives many links back from the bloggers of this community.

Another interesting pattern is the community’s ‘halo’. The blogs located in this halo are not as active as the core members. While not ‘lurkers’ in that they do participate in blogging, they do not participate as actively in discussions or share the same linking behaviors as the members located in the center. These halo-bloggers are very important to the makeup of the community of practice, however, as they engage in what Lave and Wenger would call legitimate peripheral participation.
Learning viewed as situated activity has its central defining characteristic a process that we call legitimate peripheral participation. By this we mean to draw attention to the point that learners inevitably participate in communities of practitioners and that the mastery of knowledge and skills requires newcomers to move toward full participation in the sociocultural practices of a community.
Lave &Wenger (1997): 1
According to Lave and Wenger’s view of legitimate peripheral participation, negotiating legitimate peripheral participation can move a member in and out of the core, as well as allow for movement between different CofP’s, consequently allowing for differing phases of community development and information sharing (Haslam, 2001; Walker, Justesen, & Robinson, 2004). Likewise, Maria José Luzón’s (2009) study of the function of links in scholarly blogging found that links are used for a multiple reasons in academic blogs: “to seek their place in a disciplinary community, to engage in hypertext conversations for collaborative construction of knowledge, to organize information in the blog, to publicize their research, to enhance the blog’s visibility, and to optimize blog entries and the blog itself” (Luzón, 2009, p. 75).
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