Splicing information and social relations to suite the needs of different situations is increasingly important. The fields of learning and development have not yet been transformed to the online environment. The combination of learning/knowledge analytics, data visualization, and activity streams provide, I think, a sufficient basis for educators to begin planning for a post-course view of education.
Lange Reflexion darüber, wann und ob es einen überlastet, soziale Tools zu verwenden. Sehr viele Hinweise. Ich finde vor allem den Abschnitt zu den Metakompetenzen interessant.
Does scientific attention - as expressed through citations, media coverage, or practitioner knowledge - accrue to quality or reward the real contributors of breakthroughs? Or does attention in scientific publishing create a closed loop?
Unterschiedliche und unterschiedlich wertvolle Tipps: Wie erzeuge ich Aufmerksamkeit? Geht von zwei eigenen Beispielen aus und beschäftigt sich zum Schluss lange mit dem Phänomen Furcht als Leseanreiz.
Clay Shirky brilliant gegen die Kritiker des Neuen an den neuen Medien. Nur ein Gedanke daraus: Die ältere Generation kennt zu viele Lösungen für Probleme, die es nicht mehr gibt.
We are reaching a point where the number of inputs we have as individuals is beginning to exceed what we are capable as humans of managing. The demands for our attention are becoming so great, and the problem so widespread, that it will cause people to crash and curtail these drains. Human attention does not obey Moore's Law.
APML allows users to share their own personal Attention Profile in much the same way that OPML allows the exchange of reading lists between News Readers.
Fang Wu and Bernardo A. Huberman
HP Laboratories
Palo Alto, CA 94304
January 23, 2008
Abstract
We analyze the role that popularity and novelty play in attracting
the attention of users to dynamic websites. We do so by determining
the performance of three different strategies that can be utilized to
maximize attention. The first one prioritizes novelty while the second
emphasizes popularity. A third strategy looks myopically into
the future and prioritizes stories that are expected to generate the
most clicks within the next few minutes. We show that the first two
strategies should be selected on the basis of the rate of novelty decay,
while the third strategy performs sub-optimally in most cases. We also
demonstrate that the relative performance of the first two strategies
as a function of the rate of novelty decay changes abruptly around a
critical value, resembling a phase transition in the physical world.
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