Random links between otherwise distant nodes can greatly facilitate the propagation of disease or information, provided contagion can be transmitted by a single active node. However we show that when the propagation requires simultaneous exposure to multiple sources of activation, called multiplex propagation, the effect of random links is just the opposite: it makes the propagation more diffic...

We evolve network topology of an asymmetrically connected threshold network by a simple local rewiring rule: quiet nodes grow links, active nodes lose links. This leads to convergence of the average connectivity of the network towards the critical value Kc = 2 in the limit of large system size N . How this principle could generate self-organization in natural complex systems is discussed for tw...

ENWEndNote BIBJabRef, Mendeley RISPapers, Reference Manager, RefWorks, Zotero AMA Ngcobo SJ, Makhado L, Sehularo LA. HIV care and support services offered in mobile health clinics: a systematic review. & AIDS Review. International Journal of HIV-Related Problems. 2022;21(3):191-207. doi:10.5114/hivar.2022.117888. APA Ngcobo, S. J., Makhado, L., Sehularo, L. A. (2022). Problems, 21(3), 191-207. ...

The Flp site-specific recombinase assembles its active site by recruiting the catalytic tyrosine (Tyr-343) from one Flp monomer into the pro-active site containing a triad of Arg-191, His-305, and Arg-308 from a second monomer. In principle, two active sites may be assembled from a Flp dimer by simultaneous, reciprocal contribution of the shared amino acids by its constituent monomers. In pract...

AMA Kasprzycki K, Krawczyk-Ożóg A, Rzeszutko Ł, Bartuś S, Rajtar-Salwa R. Redo of sympathetic renal denervation in a patient with resistant hypertension and anatomical variation arteries. Advances Interventional Cardiology/Postępy w Kardiologii Interwencyjnej. 2023;19(2):190-191. doi:10.5114/aic.2023.129220. APA Kasprzycki, K., Krawczyk-Ożóg, A., Rzeszutko, Ł., Bartuś, S., & Rajtar-Salwa, (2023...

BACKGROUND Users searching for health information on the Internet may be searching for their own health issue, searching for someone else's health issue, or browsing with no particular health issue in mind. Previous research has found that these three categories of users focus on different types of health information. However, most health information websites provide static content for all user...

This paper describes two empirical experiments investigating the perception of embedded audible hyperlinks, designed using speech and non-speech cues, and their effect on the comprehension of synthetic speech. Results from the first experiment showed high accuracy levels of hyperlink perception and differences in comprehension performance between sentences with hyperlinks and sentences without ...

This paper describes two empirical experiments investigating the perception of embedded audible hyperlinks, designed using speech and non-speech cues, and their effect on the comprehension of synthetic speech. Results from the first experiment showed high accuracy levels of hyperlink perception and differences in comprehension performance between sentences with hyperlinks and sentences without ...

We introduce a set of new metrics for hyperlink quality. These metrics are based on users’ interactions with hyperlinks as recorded in click logs. Using a year-long click log, we assess the INEX 2008 link discovery (Link-the-Wiki) runs and find that our metrics rank them differently from the existing metrics (INEX automatic and manual assessment), and that runs tend to perform well according to...

Research on how people learn shows that teaching using active learning is more effective than just lecturing. We outline four concrete ways instructors can begin to apply active learning in their teaching: backward instruction design; expecting students to learn more than facts; posing "messy" problems for students to solve; and expecting students to talk, write, and collaborate. Each tactic is...