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MFCS
2009
Springer
14 years 4 months ago
Query Automata for Nested Words
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 deļ...
P. Madhusudan, Mahesh Viswanathan
ICDE
2003
IEEE
104views Database» more  ICDE 2003»
14 years 11 months ago
PIX: A System for Phrase Matching in XML Documents
We present a system that enables flexible and efficient phrase matching in XML documents. Since XML allows structured and unstructured information to be interleaved, phrase matchi...
Divesh Srivastava, Mary F. Fernández, Sihem...
SIGMOD
2007
ACM
125views Database» more  SIGMOD 2007»
14 years 10 months ago
Identifying meaningful return information for XML keyword search
Keyword search enables web users to easily access XML data without the need to learn a structured query language and to study possibly complex data schemas. Existing work has addr...
Ziyang Liu, Yi Chen
DEXAW
2008
IEEE
252views Database» more  DEXAW 2008»
14 years 4 months ago
XML Tree Structure Compression
In an XML document a considerable fraction consists of markup, that is, begin and end-element tags describing the documentā€™s tree structure. XML compression tools such as XMill ...
Sebastian Maneth, Nikolay Mihaylov, Sherif Sakr
SDMW
2004
Springer
14 years 3 months ago
A Flexible Framework for Architecting XML Access Control Enforcement Mechanisms
Abstract. Due to the growing interest in XML security, various access control schemes have been proposed recently. However, little eļ¬€ort has been put forth to facilitate a unifor...
Bo Luo, Dongwon Lee, Wang-Chien Lee, Peng Liu