20 citations · 30 across the 6 of their papers we have counts for
3 papers · 1 filter
Open-ended Evolution and a Mechanism of Novelties in Web Services
Takashi Ikegami, Yasuhiro Hashimoto, Mizuki Oka
Analogous to living ecosystems in nature, web services form an artificial ecosystem consisting of many tags and their associated media, such as photographs, movies, and web pages c…
How the nature of web services drives vocabulary creation in social tagging
Koya Sato, Mizuki Oka, Yasuhiro Hashimoto +2
A social tagging system allows users to add arbitrary strings, called "tags", on a shared resource to organize and manage information. The Yule--Simon process, which has shown the…
Self-organization on social media: endo-exo bursts and baseline fluctuations
Mizuki Oka, Yasuhiro Hashimoto, Takashi Ikegami
A salient dynamic property of social media is bursting behavior. In this paper, we study bursting behavior in terms of the temporal relation between a preceding baseline fluctuatio…