Detecting communities in complex networks accurately is a prime challenge, preceding further analyses of network characteristics and dynamics. Until now, community detection took into account only positively valued links, while many actual networks also feature negative links. We extend an existing Potts model to incorporate negative links as well, resulting in a method similar to the clusterin...

Many political processes can be characterized as repeated collective decisions, in which individual choices rendered by the same actors are combined to produce salient outcomes (e.g., voting in legislatures). The inherent interdependence among the choices within repeated collective decisions is often missed in statistical analysis. I introduce the joint prediction error (JPE)—a grouping of indi...

At a time when tourism is the preeminent global industry, the Mediterranean is one of the most important tourist regions in the world, accounting for approximately a third of total tourism revenues and half of international arrivals. Because the traditional sun, sand, and sea tourist product of the Mediterranean is experiencing a crisis with subsequent market shifts toward other regions and alt...

This article describes a newly developed, internationally focused concept model, Engaging tomorrow's international nursing leaders (ETINL). The primary tenets of the ETINL model encourage advocacy, activism, and professional accountability in preparing nursing leadership. The article presents the foundation and application of the ETINL model in providing an on-going forum for student and facult...

Aim The first comprehensive checklist of European phytosociological alliances, orders and classes (EuroVegChecklist) was published by Mucina et al. (2016, Applied Vegetation Science, 19 (Suppl. 1), 3–264). However, this did not contain detailed information on the distribution individual vegetation types. Here we provide maps all alliances in Europe. Location Europe, Greenland, Canary Islands, M...

Companies across all sectors with increasingly smaller size rely on alliance relationships to bolster revenues during times of economic uncertainty. When forming alliances, large firms typically hire vendors such as investment banks to help identify potential alliance partners. However, small businesses with intention to build alliance find difficulties to search desired partners especially on ...

Orin S. Levine, Thomas Cherian, Rana Hajjeh, and Maria Deloria Knoll GAVI Alliance’s PneumoADIP, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland; Hib Initiative, Division of Bacterial Diseases, National Center for Immunizations and Respiratory Diseases, Atlanta, Georgia; and Immunizations, Vaccines, and Biologics, World Health Organizatio...