Data Visualization. Mapping the blogosphere with spinning brain of colored dots. Like the drunk in the old joke, searching for his lost keys under the streetlamp because the light is better there, we tend to measure the political influence of new media by the most easily quantified metrics: how many eyeballs on Daily Kos? How many dollars raised through ads on RedState?
On Thursday, however, the monthly Internet Advocacy Roundtable at the Center for American Progress explored a more difficult but more salient question: How do we gauge the Internet's influence on policy debates? At the forefront of efforts to model the online conversation is John Kelly, chief scientist at Morningside Analytics. Speaking at the progressive think tank yesterday, Kelly demonstrated several three-dimensional graphs of the blogosphere his firm has built—each resembling, in his apt characterization, a "spinning brain of colored dots. " Intriguingly, different linguistic communities seem to have very different blogospheric topologies. Right vs. left Tracking life cycles and term valence. A visual exploration on mapping complex networks. Carte conceptuelle. 1 Introduction Une carte conceptuelle (ou schéma conceptuel) est une visualisation d'un domaine de connaissance basée sur les relations entre concepts.
Voir aussi: Théorie de Novak sur les cartes conceptuelles (résumé de la théorie crée par l'inventeur du concept) 2 Description et intérêt 3 Architecture et fonctions Il existe plusieurs types de cartes conceptuelles: Les cartes conceptuelles au sens étroit (ou "typiques") qui utilisent des noeuds et des arcs étiquetésLes cartes hiérarchiques comme les cartes heuristiques (mind maps). Voici un exemple d'une carte conceptuelle au sens étroit du terme: Example concept map, created using IHMC CmapTools. Voici un exemple d'une mind map: Danny Stevens, Mind map of mind map guidelines, Copyright: GFDL 3.1 Les cartes conceptuelles Un carte conceptuelle permet: Lire aussi: Théorie de Novak sur les cartes conceptuelles 3.2 Les cartes heuristiques Selon Wikipedia, les possibilités des cartes heuristiques (mind maps) incluent: 4 Discussion 5 Outils Outils gratuits. Trouver des pictogrammes de qualité. A visual exploration on mapping complex networks.