2 citations · 2 across the 2 of their papers we have counts for
2 papers
cs.SI2019
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…
physics.soc-ph2017★ 2 cited
Anomalous popularity growth in social tagging ecosystems
Yasuhiro Hashimoto, Mizuki Oka, Takashi Ikegami
In social tagging systems, the diversity of tag vocabulary and the popularity of such tags continue to increase as they are exposed to selection pressure derived from our cognitive…