Sciweavers

8220 search results - page 119 / 1644
» Querying XML Data
Sort
View
ADBIS
2006
Springer
131views Database» more  ADBIS 2006»
15 years 10 months ago
X-Warehousing: An XML-Based Approach for Warehousing Complex Data
XML is suitable for structuring complex data coming from different sources and supported by heterogeneous formats. It allows a flexible formalism capable to represent and store d...
Omar Boussaid, Riadh Ben Messaoud, Rémy Cho...
WWW
2011
ACM
14 years 11 months ago
Rewriting queries on SPARQL views
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
Wangchao Le, Songyun Duan, Anastasios Kementsietsi...
VLDB
2005
ACM
175views Database» more  VLDB 2005»
15 years 9 months ago
Query Translation from XPath to SQL in the Presence of Recursive DTDs
The interaction between recursion in XPATH and recursion in DTDs makes it challenging to answer XPATH queries on XML data that is stored in an RDBMS via schema-based shredding. We...
Wenfei Fan, Jeffrey Xu Yu, Hongjun Lu, Jianhua Lu,...
GIS
2006
ACM
16 years 5 months ago
Efficient GML-native processors for web-based GIS: techniques and tools
Geography Markup Language (GML) is an XML-based language for the markup, storage, and exchange of geospatial data. It provides a rich geospatial vocabulary and allows flexible doc...
Chia-Hsin Huang, Tyng-Ruey Chuang, Dong-Po Deng, H...
NJC
2006
102views more  NJC 2006»
15 years 4 months ago
Online Evaluation of Regular Tree Queries
Regular tree queries (RTQs) are a class of queries considered especially relevant for the expressiveness and evaluation of XML query languages. The algorithms proposed so far for ...
Alexandru Berlea