Milgram [1967] formulates the basic dimensions of the small-world problem in terms of a series of questions: (a) Given any two randomly chosen people in the world, what is the probability that they know each other? (b) If they don’t know each other, do they share a mutual acquaintance? (c) If they don’t share a mutual acquaintance, how many intermediate acquaintances, linked in a chain, are nee...

The photographs have become an essential document in dentistry. The lack of acquaintance on the technique, equipment, and advancements has limited its appropriate usage. It is mandatory to have the understanding on its use to obtain the needed advantages. The knowledge is necessary from the principles of photography, equipment, accessories, lighting, settings, setups, postprocessing, purpose of...

We simulate the prisoner’s dilemma and hawk-dove games on a real social acquaintance network. Using a discrete analogue of replicator dynamics, we show that surprisingly high levels of cooperation can be achieved, contrary to what happens in unstructured mixing populations. Moreover, we empirically show that cooperation in this network is stable with respect to invasion by defectors.

Prior social science research has shown that tie strength is a useful indicator of context-dependent trust in many real-world relationships. Yet, it is often challenging to gauge trust in online environments. Given a multitude of variables that represent social relationships, we explore how to visualize interpersonal tie strength to empower people to make informed, context-dependent online trus...

Abstract In the Hintikkan tradition, attitude verbs are viewed as relations between individuals and propositions. Previous work on know believe with Content DPs like rumour has tended to treat CP vs. DP polysemy. this paper, I show that polysemy runs into conceptual empirical problems, propose instead a new decompositional approach know-verbs, which avoids polysemy; linking both same lexical ro...