Querying Semistructured Heterogeneous Information

@article{Quass1995QueryingSH,
  title={Querying Semistructured Heterogeneous Information},
  author={Dallan Quass and Anand Rajaraman and Yehoshua Sagiv and Jeffrey D. Ullman and Jennifer Widom},
  journal={Journal of Systems Integration},
  year={1995},
  volume={7},
  pages={381-407}
}
Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigid structure (such as the World-Wide Web) and when data is combined from several heterogeneous sources. Data models and query languages designed for well structured data are inappropriate in such environments. Starting with a \lightweight" object model adopted for the TSIMMIS project at Stanford, in this paper we describe a… CONTINUE READING

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