2 citations · 2 across the 4 of their papers we have counts for
4 papers
Evidence-Supported Credit Risk Report Generation Using News-Centric Financial Knowledge Graphs
Rocio Jimenez-Villen, Ziwei Xu, Ying Chen +2
Financial markets evolve in response to real-world events reported in news, yet these drivers often remain implicit in text. To better explain market dynamics, event-market relatio…
Causal Inference in Finance: An Expertise-Driven Model for Instrument Variables Identification and Interpretation
Ying Chen, Ziwei Xu, Kotaro Inoue +1
Instrumental Variable (IV) provides a source of treatment randomization that is conditionally independent of the outcomes, responding to the challenges of counterfactual and confou…
Rehearsing Answers to Probable Questions with Perspective-Taking
Yung-Yu Shih, Ziwei Xu, Hiroya Takamura +2
Question answering (QA) has been a long-standing focus in the NLP field, predominantly addressing reading comprehension and common sense QA. However, scenarios involving the prepar…
Comparing of Term Clustering Frameworks for Modular Ontology Learning
Ziwei Xu, Mounira Harzallah, Fabrice Guillet
This paper aims to use term clustering to build a modular ontology according to core ontology from domain-specific text. The acquisition of semantic knowledge focuses on noun phras…