4 papers
MaBERT:A Padding Safe Interleaved Transformer Mamba Hybrid Encoder for Efficient Extended Context Masked Language Modeling
Jinwoong Kim, Sangjin Park
Self attention encoders such as Bidirectional Encoder Representations from Transformers(BERT) scale quadratically with sequence length, making long context modeling expensive. Line…
GroupSegment-SHAP: Shapley Value Explanations with Group-Segment Players for Multivariate Time Series
Jinwoong Kim, Sangjin Park
Multivariate time-series models achieve strong predictive performance in healthcare, industry, energy, and finance, but how they combine cross-variable interactions with temporal d…
GroupSHAP-Guided Integration of Financial News Keywords and Technical Indicators for Stock Price Prediction
Minjoo Kim, Jinwoong Kim, Sangjin Park
Recent advances in finance-specific language models such as FinBERT have enabled the quantification of public sentiment into index-based measures, yet compressing diverse linguisti…
IKNet: Interpretable Stock Price Prediction via Keyword-Guided Integration of News and Technical Indicators
Jinwoong Kim, Sangjin Park
The increasing influence of unstructured external information, such as news articles, on stock prices has attracted growing attention in financial markets. Despite recent advances,…