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Inferring Regular Expressions with Interleaving from XML Data

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Web and Big Data (APWeb-WAIM 2018)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 10988))

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Abstract

Document Type Definition (DTD) and XML Schema Definition (XSD) are two popular schema languages for XML. However, many XML documents in practice are not accompanied by a schema, or by a valid schema. Therefore, it is essential to devise efficient algorithms for schema learning. Schema learning can be reduced to the inference of restricted regular expressions. In this paper, we first propose a new subclass of restricted regular expressions called Various CHAin Regular Expression with Interleaving (VCHARE). Then based on single occurrence automaton (SOA) and maximum independent set (MIS), we introduce an inference algorithm GenVCHARE. The algorithm has been proved to infer a descriptive generalized VCHARE from a set of given sample. Finally, we conduct a series of experiments based on our data set crawled from the Web. The experimental results show that VCHARE can cover more content models than other existing subclasses of regular expressions. And, based on the data sets of DBLP, regular expressions inferred by GenVCHARE are more accurate and concise compared with other existing methods.

H. Chen—Work supported by the National Natural Science Foundation of China under Grant No. 61472405.

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Notes

  1. 1.

    http://aiweb.cs.washington.edu/research/projects/xmltk/xmldata/www/repository.html.

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Authors and Affiliations

  1. State Key Laboratory of Computer Science, Institute of Software, Chinese Academy of Sciences, Beijing, 100190, China

    Xiaolan Zhang, Yeting Li, Fanlin Cui, Chunmei Dong & Haiming Chen

  2. University of Chinese Academy of Sciences, Beijing, China

    Xiaolan Zhang, Yeting Li, Fanlin Cui & Chunmei Dong

  3. University of Science and Technology of China, Hefei, China

    Fei Tian

Authors
  1. Xiaolan Zhang
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  2. Yeting Li
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  3. Fei Tian
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  4. Fanlin Cui
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  5. Chunmei Dong
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  6. Haiming Chen
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Corresponding author

Correspondence to Haiming Chen .

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Editors and Affiliations

  1. South China University of Technology, Guangzhou, China

    Yi Cai

  2. Nagoya University, Nagoya, Japan

    Yoshiharu Ishikawa

  3. Hong Kong Baptist University, Kowloon Tong, Hong Kong, China

    Jianliang Xu

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Zhang, X., Li, Y., Tian, F., Cui, F., Dong, C., Chen, H. (2018). Inferring Regular Expressions with Interleaving from XML Data. In: Cai, Y., Ishikawa, Y., Xu, J. (eds) Web and Big Data. APWeb-WAIM 2018. Lecture Notes in Computer Science(), vol 10988. Springer, Cham. https://doi.org/10.1007/978-3-319-96893-3_4

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  • DOI: https://doi.org/10.1007/978-3-319-96893-3_4

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