Author

Yih-Chang Chen

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#generative ai Open access Oct 2026

A Teacher-Student BERT Architecture for Semi-Supervised Learning on Unstructured Social Work Texts: Identifying Service Gaps and Needs

To address the “information gap” in social work arising from unstructured data and limited labeled instances, this study proposes a semi-supervised learning framework based on a Teacher-Student BERT architecture. Based on an analysis of 50,000 case records spanning 2019 to 2024, the model incorporates Latent Dirichlet...

Yih-Chang Chen, Chia-Ching Lin, S. Ağan · International Journal of Int... · 0 citations

Open access Jul 2026

A THREE-STAGE FAIRNESS-AWARE FRAMEWORK FOR RISK ASSESSMENT IN SOCIAL WORK: BALANCING ACCURACY AND EQUITY IN PREDICTIVE MODELS

This study addresses the critical trade-off between predictive accuracy and algorithmic fairness and proposes a “Three-Stage Fairness-Aware Framework” integrating pre-processing, in-processing, and post-processing mitigation strategies that successfully reduced bias to ethical thresholds.

Yih-Chang Chen, Chia-Ching Lin, Sedat Agan · Far East Journal of Electron... · 0 citations