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How Big Is The Universe?

How Big Is The Universe? | search and research | Scoop.it
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Phylomemetic Patterns in Science Evolution—The Rise and Fall of Scientific Fields

Phylomemetic Patterns in Science Evolution—The Rise and Fall of Scientific Fields | search and research | Scoop.it

We introduce an automated method for the bottom-up reconstruction of the cognitive evolution of science, based on big-data issued from digital libraries, and modeled as lineage relationships between scientific fields. We refer to these dynamic structures as phylomemetic networks or phylomemies, by analogy with biological evolution; and we show that they exhibit strong regularities, with clearly identifiable phylomemetic patterns. Some structural properties of the scientific fields - in particular their density -, which are defined independently of the phylomemy reconstruction, are clearly correlated with their status and their fate in the phylomemy (like their age or their short term survival). Within the framework of a quantitative epistemology, this approach raises the question of predictibility for science evolution, and sketches a prototypical life cycle of the scientific fields: an increase of their cohesion after their emergence, the renewal of their conceptual background through branching or merging events, before decaying when their density is getting too low.

 

Chavalarias D, Cointet J-P (2013) Phylomemetic Patterns in Science Evolution—The Rise and Fall of Scientific Fields. PLoS ONE 8(2): e54847. http://dx.doi.org/10.1371/journal.pone.0054847


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The top 10 emerging technologies for 2013

The top 10 emerging technologies for 2013 | search and research | Scoop.it

New challenges need new technologies to tackle them. Here, the World Economic Forum’s Global Agenda Council on Emerging Technologies identifies the top 10 most promising technology trends that can help to deliver sustainable growth in decades to come as global population and material demands on the environment continue to grow rapidly. These are technologies that the Council considers have made development breakthroughs and are nearing large-scale deployment.


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Is Europe Evolving Toward an Integrated Research Area?

We use methods from network science and econometrics to perform a comparative analysis across time and between EU and non-EU countries to determine the "treatment effect" resulting from EU integration policies. Using non-EU countries as a control set, we provide quantitative evidence that, despite decades of efforts to build a European Research Area, there has been little integration above global trends in patenting and publication. This analysis provides concrete evidence that Europe remains a collection of national innovation systems.

 

Is Europe Evolving Toward an Integrated Research Area?

Alessandro Chessa, Andrea Morescalchi, Fabio Pammolli, Orion Penner, Alexander M. Petersen, Massimo Riccaboni

http://arxiv.org/abs/1302.3126


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Scooped by Marko RS
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How Big Is The Universe?

How Big Is The Universe? | search and research | Scoop.it
Spoiler alert: it's really big.
more...
No comment yet.