Authors
Bingqian Li
Published in
Scientific reports. Volume 16. Issue 1. Sep 09, 2026. Epub Sep 09, 2026.
Abstract
A noise-robust framework is introduced for semi-supervised cross-lingual financial ontology induction, designed to address the challenges posed by noisy and partially labeled multilingual financial documents. The method employs a confidence-based filtering mechanism to eliminate low-quality cross-lingual text pairs, followed by multi-view distillation to harmonize linguistic and structural representations of financial entities. An uncertainty-aware contrastive learning objective further aligns entities across languages while reducing the influence of unreliable alignments. The resulting ontology is incorporated into an adaptive multilingual NER pipeline using entity-aware attention, enabling the model to exploit cross-lingual consistency for enhanced recognition performance. The overall approach integrates these components to construct a robust financial ontology using minimal labeled data while maintaining interpretability through high-confidence alignments. Experiments on multilingual financial corpora demonstrate strong effectiveness in noisy conditions, surpassing existing methods in both ontology quality and downstream NER tasks. The framework's capacity to adapt to low-resource languages and manage label noise makes it well suited for real-world financial environments characterized by scarce and heterogeneous annotated data.
PMID:
42728344
Bibliographic data and abstract were imported from PubMed on 12 Sep 2026.
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