70 search results - page 2 / 14 » Semistructured data schemas with expressive constraints |
107
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KES
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. Access control for semi-structured data is nontrivial, as witnessed by the number of access control approaches in recent literature. Recently a case has been made for exp...
DASFAA
2004
IEEE
15 years 3 months ago
2004
IEEE
XML is becoming the standard data exchange format. View transformation of XML data is important and frequent operation in XML data integration and publishing. In schema-based view ...
120
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FODO
1998
Springer
15 years 3 months ago
1998
Springer
In this paper, we propose an entity-based style of queries for semistructured data. First, we partition a semistructured data into subgraphs corresponding to real-world entities, ...
191
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
The nature of semistructured data in web collections is evolving. Increasingly, XML web documents (or documents exchanged via web services) are valid with regard to a schema, yet ...
DEXAW
2005
IEEE
15 years 1 months ago
2005
IEEE
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...