![]() ![]() The hexagons represent the sites where the types are found, while the links show how many types are shared. One-mode weighted network of types of Tell el-Yahudiyah pottery during the second half of the Second Intermediate Period. A geodesic is the shortest path, or sequence of links, between two entities in a network. In technical terms, the betweenness centrality of an entity measures how often the examined entity is on a geodesic between other entities. In other words, betweenness centrality detects entities that have the highest capacity of linking other entities in the chains of contacts in a network and that, as a consequence, can have control over the flow and circulation of objects/resources/information/ideas. This measure shows how important the examined entity is as intermediary, a bridge, between other pairs (or even groups) of entities in the network, or an in-between between third parties (if you prefer). In this article, I will discuss the second one of the measures: the betweenness centrality. ![]() I have also discussed further algorithms derived from the degree centrality. In the previous article in this series on network analysis in archaeology, I discussed the first one of the main four measures, or mathematical algorithms, used in network analysis: the degree centrality. It is archived on this website with the kind permission of the author. This article was originally published on Ancient World Magazine. ![]()
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