Results 21 to 30 of about 15,720,626 (306)
Cryptographic Puzzles and Complex Systems
, 2021 A puzzle lies behind password authentication (PA) and blockchain proof of work (PoW). A cryptographic hash function is commonly used to implement them. The potential problem with secure hash functions is their complexity and rigidity.
Vuckovac, Rade
core +1 more source
Sentiment and structure in word co-occurrence networks on Twitter
Applied Network Science, 2022 We explore the relationship between context and happiness scores in political tweets using word co-occurrence networks, where nodes in the network are the words, and the weight of an edge is the number of tweets in the corpus for which the two connected ...
Mikaela Irene Fudolig +4 more
doaj +1 more source
The sleep loss insult of Spring Daylight Savings in the US is observable in Twitter activity
Journal of Big Data, 2021 Sleep loss has been linked to heart disease, diabetes, cancer, and an increase in accidents, all of which are among the leading causes of death in the United States. Population-scale sleep studies have the potential to advance public health by helping to
Kelsey Linnell +6 more
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Complexity in quantum systems [PDF]
Physical Review E, 1994 We discuss the behavior of a quantum 1/2 spin coupled to a time dependent magnetic field, which can be quasiperiodic or random. For a quasiperiodic field, the time evolution of the system on a coarse grained space has autocorrelation, which does not decay, and positive topological entropy. The information complexity diverges as a stretched exponential,
CRISANTI, Andrea +4 more
openaire +3 more sources
Suspended hydrogel culture as a method to scale up intestinal organoids
Scientific Reports, 2023 Primary tissue-derived epithelial organoids are a physiologically relevant in vitro intestinal model that have been implemented for both basic research and drug development applications.
Julia Y. Co +3 more
doaj +1 more source
On the challenges of predicting microscopic dynamics of online conversations
Applied Network Science, 2021 To what extent can we predict the structure of online conversation trees? We present a generative model to predict the size and evolution of threaded conversations on social media by combining machine learning algorithms.
John Bollenbacher +5 more
doaj +1 more source
System-of-Systems Complexity [PDF]
Electronic Proceedings in Theoretical Computer Science, 2013 In Proceedings AiSoS 2013, arXiv:1311 ...
openaire +3 more sources
Femtosecond electron microscopy of relativistic electron bunches
Light: Science & Applications, 2023 The development of plasma-based accelerators has enabled the generation of very high brightness electron bunches of femtosecond duration, micrometer size and ultralow emittance, crucial for emerging applications including ultrafast detection in material ...
Yang Wan +6 more
doaj +1 more source
EPJ Data Science, 2022 GitHub has become the central online platform for much of open source, hosting most open source code repositories. With this popularity, the public digital traces of GitHub are now a valuable means to study teamwork and collaboration.
Milo Z. Trujillo +2 more
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Space Optimization for Raw Material Transportation: Reducing Environmental Impact [PDF]
E3S Web of ConferencesIn today’s industrial landscape, adhering to lean manufacturing principles and achieving operational excellence is increasingly vital due to rising competition. Eliminating waste, or Muda is essential for attaining a high level of lean manufacturing. One
Taraa Chaymae +5 more
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