2 papers
cs.CL2026
What Really Controls Temporal Reasoning in Large Language Models: Tokenisation or Representation of Time?
Gagan Bhatia, Ahmad Muhammad Isa, Maxime Peyrard +1
We present MultiTempBench, a multilingual temporal reasoning benchmark spanning three tasks, date arithmetic, time zone conversion, and temporal relation extraction across five lan…
cs.CL2025
Date Fragments: A Hidden Bottleneck of Tokenization for Temporal Reasoning
Gagan Bhatia, Maxime Peyrard, Wei Zhao
Modern BPE tokenizers often split calendar dates into meaningless fragments, e.g., 20250312 202, 503, 12, inflating token counts and obscuring the inherent structure…