Tag Archives: scalefree-networks

Homeland Security, Networks, and Accountability

By Michael Feldstein | Published: September 16, 2004
Social networks guru Valdis Krebs has written an analysis which purports to show that creating a single intelligence czar is less efficient in terms of getting intelligence to the President than leaving the stove pipes but adding connections among them. Maybe. But Krebs leaves out at least two critical externalities. First, his proposed solution requires that no [...]
Posted in Blogo-eroticism and Other Hype, Digital Democracy, Emergence, Distributed Cognition, & Aggregation Science | Also tagged | 5 Comments

It’s a Small Campus After All

By Michael Feldstein | Published: September 15, 2004
Gilad Ravid and Sheizaf Rafaeli’s new piece in FirstMonday, “Asynchronous Discussion Groups as Small World and Scale Free Networks“, analyzes a voluntary learning community that develops on a university’s LMS. These are all students who are (apparently) registered for on-campus web-enhanced courses with strictly voluntary web-enhanced components. Interestingly, the study analyzed networking for the entire [...]
Posted in Books I Like, Build This, Please, Emergence, Distributed Cognition, & Aggregation Science, Notable Posts | Also tagged , | Leave a comment

overstated: Weblogs and authority

By Michael Feldstein | Published: September 14, 2004
In the Overstated weblog (great name, by the way), Cameron Marlow suggests that blogrolls are proxies for popularity while links directly from a blog post to a permalink of another blog are proxies for influence. For example, slashdot is popular in blogrolls but Joi Ito is popular to link to in posts. Marlow does [...]
Posted in Blogging, Emergence, Distributed Cognition, & Aggregation Science | Tagged | Leave a comment

Weblog Audience-Building and the Strength of Weak Ties

By Michael Feldstein | Published: September 9, 2004
One of the challenges you face when you start a new weblog is attracting an audience. Who is going to gather the pearls of wisdom that you offer to the world? It’s not that hard these days to find somebody you know who already has a weblog and would be willing to link to you; [...]
Posted in Blogging, Content Management & Taxonomy as Knowledge Management, Emergence, Distributed Cognition, & Aggregation Science, Notable Posts | Also tagged | 1 Comment

Informational Cascades, Network Theory, and Behavioral Economics

By Michael Feldstein | Published: August 29, 2004
Stephen Downes’ mention of my article on informational cascades (thanks for the plug, Stephen) led me to his post in the trdev discussion group. He writes: In network theory, ‘groupthink’ is an instance of what is known as a cascade phenomenon. A cascade occurs (all other things being equal) when the propogation of a property (an [...]
Posted in Books I Like, Emergence, Distributed Cognition, & Aggregation Science | Also tagged , , | Leave a comment

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