Sciweavers

8220 search results - page 125 / 1644
» Querying XML Data
Sort
View
SDMW
2004
Springer
15 years 9 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 effort has been put forth to facilitate a unifor...
Bo Luo, Dongwon Lee, Wang-Chien Lee, Peng Liu
KES
2005
Springer
15 years 9 months ago
Data Integration Hub for a Hybrid Paper Search
In this paper we describe the design of a hybrid search that combines simple metadata search with a traditional keyword search over unstructured context data. This paradigm provide...
Jungkee Kim, Geoffrey Fox, Seong Joon Yoo
XSYM
2004
Springer
129views Database» more  XSYM 2004»
15 years 9 months ago
Fractional XSketch Synopses for XML Databases
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
Natasha Drukh, Neoklis Polyzotis, Minos N. Garofal...
TKDE
2002
111views more  TKDE 2002»
15 years 3 months ago
Query Relaxation by Structure and Semantics for Retrieval of Logical Web Documents
Since WWW encourages hypertext and hypermedia document authoring (e.g. HTML or XML), Web authors tend to create documents that are composed of multiple pages connected with hyperl...
Wen-Syan Li, K. Selçuk Candan, Quoc Vu, Div...
BTW
2003
Springer
119views Database» more  BTW 2003»
15 years 9 months ago
Multidimensional Mapping and Indexing of XML
: We propose a multidimensional approach to store XML data in relational database systems. In contrast to other efforts we suggest a solution to the problem using established datab...
Michael G. Bauer, Frank Ramsak, Rudolf Bayer