collaborators

5 papers

cs.SI2026

Information Networks of Stock Prices

Muhammad Aldy Hassan, Hokky Situngkir

The collective movement of stock prices harbors complex interdependencies that are conventionally simplified only through a linear lens. This paper explores computed structural net…

cs.CL2026

Arithmetic Pedagogy for Language Models

Andhika Bernard Lumbantobing, Hokky Situngkir

We investigate whether methods of human mathematics pedagogy can guide the training of language models toward arithmetic reasoning. Building on the GASING method -- an Indonesian p…

cs.CL2026

Adaptive Engram Memory System for Indonesian Language Model: Generative AI Based on TOBA LM for Batak and Minang Language

Hokky Situngkir, Kevin Siringoringo, Andhika Bernard Lumbantobing

This study presents TOBA-LM, a trilingual language model based on GPT-2 architecture with 1.2 billion parameters, trained on a corpus encompassing Indonesian, Batak, and Minangkaba…

cs.CY2026

Tokenizations for Austronesian Language Models: study on languages in Indonesia Archipelago

Andhika Bernard Lumbantobing, Hokky Situngkir

Tokenization constitutes a fundamental stage in Large Language Model (LLM) processing; however, subword-based tokenization methods optimized on English-dominant corpora may produce…

cs.CY2026

Syllabic Agglutinative Tokenizations for Indonesian LLM: A Study from Gasing Literacy Learning System

H. Situngkir, A. B. Lumbantobing, Y. Surya

This paper presents a novel syllable-based tokenization approach for Indonesian large language models, inspired by the Gasing Literacy Learning System's pedagogical methodology. Dr…