Keuntae Cho

You are already at the latest version The mobile industry has experienced long-run changes in its knowledge structure, including identifiable transition points observable through meaning-based analysis. Using abstracts from 86,674 mobile-industry publications published between 2005 and 2024, we embed documents with SPECTER2, build year-specific embedding distributions, and derive knowledge regimes by combining change-point detection with inter-year distribution distances.

You are already at the latest version Plastic recycling technologies are rapidly being reoriented toward process-, operations-, and quality-centered innovation, driven by the expansion of the circular economy and digital transformation. This study uses patent data to quantify long-term trends in plastic recycling and to compare technological structures and thematic shifts before and after 2015, thereby identifying core technological axes and convergence patterns.

Submitted: 29 December 2025 You are already at the latest version This study draws on socio‑technical transition theory to examine how the dynamic inter-actions among producers, consumers, and the media within an experimental niche—Korea’s regulatory sandbox—shape the speed of policy and regulatory responses to emerging technologies.