70 search results - page 2 / 14 » Semistructured data schemas with expressive constraints |
KES
2007
Springer
14 years 1 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
13 years 11 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 ...
FODO
1998
Springer
13 years 11 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, ...
ICDE
2008
IEEE
14 years 9 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
13 years 9 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...