Digital media platforms are becoming increasingly subject to the sway of geopolitics, as seen during Russian invasion Ukraine and US-China trade war. How geopoliticized? What perspectives shall we use make sense process? This theoretical paper reformulates conceptual apparatuses liberalism, realism, constructivism, each represented by a metaphor: cobweb, billiard balls, ant societies, respectiv...

In computer science a directed acyclic graph, also called DAG, is a directed graph with no directed cycles. Utility of DAG‘s is widely known and appreciated. Some algorithms for example, search algorithms become simpler when applied to DAGs. DAGs considered as a generalization of trees have a lot of applications in computer science, bioinformatics, physics and many natural activities of humanit...