28 search results - page 4 / 6 » On the minimization of XML Schemas and tree automata for unr... |
PPDP
2010
Springer
13 years 5 months ago
2010
Springer
We propose a model for XML update primitives of the W3C XQuery Update Facility as parameterized rewriting rules of the form: "insert an unranked tree from a regular tree lang...
IANDC
2011
13 years 2 months ago
2011
Query answering algorithms on Xml streams check answer candidates on the fly in order to avoid the unnecessary buffering whenever possible. The delay and concurrency of a query ...
ACJ
2006
13 years 7 months ago
2006
In this paper we present query filtering techniques based on bottom-up tree automata for XML access control. In our authorization model (RXACL), RDF statements are used to represen...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
In this paper, we focus on XML data integration by studying rewritings of XML target schemas in terms of source schemas. Rewriting is very important in data integration systems wh...
MFCS
2009
Springer
14 years 2 months ago
2009
Springer
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We deï...