2 papers
cs.CL2026
Linear Representations of Hierarchical Concepts in Language Models
Masaki Sakata, Benjamin Heinzerling, Takumi Ito +2
We investigate how and to what extent hierarchical relations (e.g., Japan Eastern Asia Asia) are encoded in the internal representations of language models. Bui…
cs.CL2025
On Entity Identification in Language Models
Masaki Sakata, Benjamin Heinzerling, Sho Yokoi +2
We analyze the extent to which internal representations of language models (LMs) identify and distinguish mentions of named entities, focusing on the many-to-many correspondence be…