Proceedings of the Sixth International Workshop on Data Science for Macro-Modeling最新文献

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Leveraging the explainability of associative classifiers to support quantitative stock trading 利用关联分类器的可解释性来支持定量股票交易
Giuseppe Attanasio, Luca Cagliero, Elena Baralis
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引用次数: 2
Ontology mediated information extraction in financial domain with Mastro System-T 基于master System-T的金融领域本体信息提取
D. Lembo, Yunyao Li, Lucian Popa, Federico Maria Scafoglieri
{"title":"Ontology mediated information extraction in financial domain with Mastro System-T","authors":"D. Lembo, Yunyao Li, Lucian Popa, Federico Maria Scafoglieri","doi":"10.1145/3401832.3402681","DOIUrl":"https://doi.org/10.1145/3401832.3402681","url":null,"abstract":"Information extraction (IE) refers to the task of turning text documents into a structured form, in order to make the information contained therein automatically processable. Ontology Mediated Information Extraction (OMIE) is a new paradigm for IE that seeks to exploit the semantic knowledge expressed in ontologies to improve query answering over unstructured data (properly raw text). In this paper we present Mastro System-T, an OMIE tool born from a joint collaboration between the University of Rome \"La Sapienza\" and IBM Research Almaden and its first application in a financial domain, namely to facilitate the access to and the sharing of data extracted from the EDGAR system.","PeriodicalId":336159,"journal":{"name":"Proceedings of the Sixth International Workshop on Data Science for Macro-Modeling","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127178906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Price series cross-correlation analysis to enhance the diversification of itemset-based stock portfolios 价格序列相互关联分析增强基于项目集的股票投资组合的多样化
Jacopo Fior, Luca Cagliero, P. Garza
{"title":"Price series cross-correlation analysis to enhance the diversification of itemset-based stock portfolios","authors":"Jacopo Fior, Luca Cagliero, P. Garza","doi":"10.1145/3401832.3402680","DOIUrl":"https://doi.org/10.1145/3401832.3402680","url":null,"abstract":"Planning buy-and-hold strategies for stock trading is a challenging financial task. It entails building a portfolio of stocks maximizing the expected return in the medium- or long-term while minimizing investments' risk. Diversification is the most common strategy to manage risk in financial investments. It entails spreading bets across multiple assets, typically by picking stocks from different financial sectors. This paper presents a time series clustering-based strategy to improve the effectiveness of stock diversification across sectors. It analyzes the cross-correlation among price series in order to identify groups of stocks belonging to different sectors that unexpectedly show similar trends as well as dissimilarities among stocks of the same sector. The diversification strategy has been integrated into a state-of-the-art itemset-based approach to stock portfolio generation. The performance achieved on the U.S. stock market show relevant improvements in portfolio returns and drawdown control.","PeriodicalId":336159,"journal":{"name":"Proceedings of the Sixth International Workshop on Data Science for Macro-Modeling","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129387276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Proceedings of the Sixth International Workshop on Data Science for Macro-Modeling 第六届宏观建模数据科学国际研讨会论文集
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引用次数: 0
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