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Complexity Digest wrote a new blog post titled Can You Judge Artificial Intelligence? | Cesar A. Hidalgo at Brain Bar
Ai’s are diagnosing cancer, driving cars, acting as police agents, and it seems that judging their decisions are not as easy as we first think. Are we more forgiving when a machine makes a mistake? Would you trust an AI to be in charge? Let’s find out with Cesar A. Hidalgo, the mastermind of collective learning from MIT! Source:
11 hours ago
Complexity Digest wrote a new blog post titled Networks 2021
Networks 2021: A Joint Sunbelt and NetSci Conference will take place in Washington D.C. on July 6-11, 2021. We expect this to be the largest networks conference ever held. It will combine the annual meeting of the International Network for Social Network Analysis (Sunbelt XLI), and the annual meeting of the Network Science Society (NetSci 2021). Source:
Complexity Digest wrote a new blog post titled The WIRED Guide to Artificial Intelligence
Supersmart algorithms won’t take all the jobs, But they are learning faster than ever, doing everything from medical diagnostics to serving up ads.   Even if progress on making artificial intelligence smarter stops tomorrow, don’t expect to stop hearing about how it’s changing the world. Big tech companies such as Google, Microsoft, and Amazon have amassed strong rosters of AI talent and impressive arrays of computers to bolster their core businesses of targeting ads or anticipating your next purchase.   They’ve also begun trying to make money by inviting others to run AI projects on...
2 days ago
Complexity Digest wrote a new blog post titled NECSI Winter School
Winter Session 2020 Gain new insights that reframe your thinking, specific tools to advance current projects, and perspectives to set new directions. Dates: January 6 – 17 Location: MIT, Cambridge, MAThe NECSI Winter School offers two intensive week-long courses on complexity science: modeling and networks, and data analytics. You may register for any of the weeks. If desired, arrangements for credit at a home institution may be made in advance. Week 1: January 6-10 CX201: Complex Physical, Biological and Social Systems Week 2: January 12-17 CX202: Complex Systems Modeling and Networks...
3 days ago
Complexity Digest wrote a new blog post titled Training-free measures based on algorithmic probability identify high nucleosome occupancy in DNA sequences
We introduce and study a set of training-free methods of an information-theoretic and algorithmic complexity nature that we apply to DNA sequences to identify their potential to identify nucleosomal binding sites. We test the measures on well-studied genomic sequences of different sizes drawn from different sources. The measures reveal the known in vivo versus in vitro predictive discrepancies and uncover their potential to pinpoint high and low nucleosome occupancy. We explore different possible signals within and beyond the nucleosome length and find that the complexity indices are...
4 days ago
Complexity Digest wrote a new blog post titled Bilateral relatedness: knowledge diffusion and the evolution of bilateral trade
During the last two decades, two important contributions have reshaped our understanding of international trade. First, countries trade more with those with whom they share history, language, and culture, suggesting that trade is limited by information frictions. Second, countries are more likely to start exporting products that are related to their current exports, suggesting that shared capabilities and knowledge diffusion constrain export diversification. Here, we join both of these streams of literature by developing three measures of bilateral relatedness and using them to ask whether...
7 days ago
Complexity Digest wrote a new blog post titled Innovation and The Evolution of the Economic Web
Fifty thousand years ago the global economy may have had a diversity of a few thousand goods and services, including fire, unifacial stone scrapers, hides, and so forth. Today, in New York alone, there must be over a billion goods and services. The global economy has exploded in diversity. The question is how and why has this explosion occurred?The economy, as detailed a bit further below, is a network of complements and substitutes, which I will call the Economic Web. And like the biosphere, it’s evolution is substantially unprestatable, “context dependent,” and creates its own growing...
11 days ago
Complexity Digest wrote a new blog post titled Our Human Current: Stories about Complexity, Systems, and Mentorship (Paperback)
Human Current, the complexity podcast, emerged from the belief that the world will be a better place if more people learn about complexity—as a scientific theory and way of understanding the world. Our Human Current is a story of listening and learning, and of the power of mentorship, inspired by our own mentor, Douglas Drane. We conducted more than 125 thoughtful interviews with scientists, influencers, and practitioners in the fields of complexity science and systems thinking. Let us take you on a 365-day journey through the stories, research, anecdotes, and advice from Doug and our...
12 days ago
Complexity Digest wrote a new blog post titled Beyond integrated information: A taxonomy of information dynamics phenomena
Most information dynamics and statistical causal analysis frameworks rely on the common intuition that causal interactions are intrinsically pairwise — every ’cause’ variable has an associated ‘effect’ variable, so that a ‘causal arrow’ can be drawn between them. However, analyses that depict interdependencies as directed graphs fail to discriminate the rich variety of modes of information flow that can coexist within a system. This, in turn, creates problems with attempts to operationalise the concepts of ‘dynamical complexity’ or...
12 days ago
Complexity Digest wrote a new blog post titled ICCS 2020 Tenth International Conference on Complex Systems July 26-31, 2020 Boston, MA, USA
Save the Date: July 26-31, 2020 This is the tenth in a series of conferences with two major aims: first, to investigate the common properties of very different complex systems; and second, to encourage cross fertilization among the many disciplines involved. ICCS 2020 will be held in the Boston area. More details will be announced soon. Source:
12 days ago
Complexity Digest wrote a new blog post titled Iyad Rahwan Is the Anthropologist of Artificial Intelligence
The algorithms that underlie much of the modern world have grown so complex that we can’t always predict what they’ll do. Iyad Rahwan’s radical idea: The best way to understand them is to observe their behavior in the wild. Source:
12 days ago
Complexity Digest wrote a new blog post titled Information gerrymandering and undemocratic decisions
In a voter game, information gerrymandering can sway the outcome of the vote towards one party, even when both parties have equal sizes and each player has the same influence; and this effect can be exaggerated by strategically placed zealots or automated bots. Information gerrymandering and undemocratic decisions Alexander J. Stewart, Mohsen Mosleh, Marina Diakonova, Antonio A. Arechar, David G. Rand & Joshua B. Plotkin Naturevolume 573, pages 117–121 (2019) Source:
12 days ago
Complexity Digest wrote a new blog post titled Learning to listen – Alice Eldridge
Alice Eldridge – Learning to listen Source:
12 days ago
Complexity Digest wrote a new blog post titled Memory formation in the absence of experience
Memory is coded by patterns of neural activity in distinct circuits. Therefore, it should be possible to reverse engineer a memory by artificially creating these patterns of activity in the absence of a sensory experience. In olfactory conditioning, an odor conditioned stimulus (CS) is paired with an unconditioned stimulus (US; for example, a footshock), and the resulting CS–US association guides future behavior. Here we replaced the odor CS with optogenetic stimulation of a specific olfactory glomerulus and the US with optogenetic stimulation of distinct inputs into the ventral tegmental...
23 days ago
Complexity Digest wrote a new blog post titled The Fair Reward Problem: The Illusion of Success and How to Solve It
Humanity has been fascinated by the pursuit of fortune since time immemorial, and many successful outcomes benefit from strokes of luck. But success is subject to complexity, uncertainty, and change — and at times becoming increasingly unequally distributed. This leads to tension and confusion over to what extent people actually get what they deserve (i.e. fairness/meritocracy). Moreover, in many fields, humans are overconfident and pervasively confuse luck for skill (I win, it is skill; I lose, it is bad luck). In some fields, there is too much risk-taking; in others, not enough. Where...
23 days ago
Complexity Digest wrote a new blog post titled Postdoctoral Fellowshio in Complex Systems and Data Science @UVMComplexity
This Postdoctoral Fellowship in Complex Systems and Data Science at the University of Vermont’s Complex Systems Center offers early-career scientists a unique experience to tackle open questions related to complex systems and data science that are of utmost importance in science, industry, and society. This postdoctoral fellowship provides a high level of intellectual freedom and the opportunity to work alongside leading academic researchers and industry partners. Source:
23 days ago
Complexity Digest wrote a new blog post titled Social media usage reveals how regions recover after natural disaster
The challenge of nowcasting and forecasting the effect of natural disasters (e.g. earthquakes, floods, hurricanes) on assets, people and society is of primary importance for assessing the ability of such systems to recover from extreme events. Traditional disaster recovery estimates, such as surveys and interviews, are usually costly, time consuming and do not scale. Here we present a methodology to indirectly estimate the post-emergency recovery status (‘downtime’) of small businesses in urban areas looking at their online posting activity on social media. Analysing the time...
23 days ago
Complexity Digest wrote a new blog post titled The Neuroscience of Reality
The reality we perceive is not a direct reflection of the external objective world. Instead it is the product of the brain’s predictions about the causes of incoming sensory signals. The property of realness that accompanies our perceptions may serve to guide our behavior so that we respond appropriately to the sources of sensory signals.   The Neuroscience of Reality Anil Seth Scientific American Source:
26 days ago
Complexity Digest wrote a new blog post titled Interactional and Informational Attention on Twitter
Twitter may be considered to be a decentralized social information processing platform whose users constantly receive their followees’ information feeds, which they may in turn dispatch to their followers. This decentralization is not devoid of hierarchy and heterogeneity, both in terms of activity and attention. In particular, we appraise the distribution of attention at the collective and individual level, which exhibits the existence of attentional constraints and focus effects. We observe that most users usually concentrate their attention on a limited core of peers and topics, and...
28 days ago
Complexity Digest wrote a new blog post titled We Need an International Center for Climate Modeling
Earth’s climate is changing, and we must decide what to do about it. Existing climate models all predict further warming, but for all we currently know, this trend could range from modest and manageable to an existential threat. In face of such large uncertainty it is difficult to agree on a course of action. For this reason, we propose the formation of an international initiative for high resolution climate models with the aim of providing more reliable long-term predictions. Source:
28 days ago