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» Evaluating Nested Queries on XML Data
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SDMW
2007
Springer
14 years 1 months ago
Query Rewriting Algorithm Evaluation for XML Security Views
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
Nataliya Rassadko
EDBT
2006
ACM
156views Database» more  EDBT 2006»
14 years 7 months ago
Constructing a Generic Natural Language Interface for an XML Database
Abstract. We describe the construction of a generic natural language query interface to an XML database. Our interface can accept an arbitrary English sentence as a query, which ca...
Yunyao Li, Huahai Yang, H. V. Jagadish
SIS
2007
13 years 9 months ago
A General Approach to Securely Querying XML
Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access ...
Ernesto Damiani, Majirus Fansi, Alban Gabillon, St...
PODS
2008
ACM
143views Database» more  PODS 2008»
14 years 7 months ago
XPath, transitive closure logic, and nested tree walking automata
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
Balder ten Cate, Luc Segoufin
BNCOD
2007
115views Database» more  BNCOD 2007»
13 years 9 months ago
Evaluating XPath Queries on XML Data Streams
Stefan Böttcher, Rita Steinmetz