Sciweavers

WWW
2010
ACM
13 years 2 months ago
Evaluation Techniques for Generalized Path Pattern Queries on XML Data
Finding the occurrences of structural patterns in XML data is a key operation in XML query processing. Existing algorithms for this operation focus almost exclusively on path patt...
Xiaoying Wu, Dimitri Theodoratos, Stefanos Souldat...
VDB
2000
144views Database» more  VDB 2000»
13 years 5 months ago
BBQ: A Visual Interface for Integrated Browsing and Querying of XML
In this paper we present BBQ (Blended Browsing and Querying), a graphic user interface for seamlessly browsing and querying XML data sources. BBQ displays the structure of multipl...
Kevin D. Munroe, Yannis Papakonstantinou
CIKM
2008
Springer
13 years 6 months ago
A heuristic approach for checking containment of generalized tree-pattern queries
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
Pawel Placek, Dimitri Theodoratos, Stefanos Soulda...
DEXAW
2002
IEEE
107views Database» more  DEXAW 2002»
13 years 9 months ago
Semi-Automated Extraction of Ontological Knowledge from XML Datasources
In the paper we present a methodology for the semiautomated extraction of ontological knowledge from XML data sources in a given domain. We consider an interconnection scenario ov...
Silvana Castano, Valeria De Antonellis, Sabrina De...
ER
2003
Springer
84views Database» more  ER 2003»
13 years 9 months ago
Resolving Structural Conflicts in the Integration of XML Schemas: A Semantic Approach
While the Internet has facilitated access to information sources, the task of scalable integration of these heterogeneous data sources remains a challenge. The adoption of the eXte...
Xia Yang, Mong-Li Lee, Tok Wang Ling
DOLAP
2003
ACM
13 years 9 months ago
Achieving adaptivity for OLAP-XML federations
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...
Dennis Pedersen, Torben Bach Pedersen
SIGMOD
2002
ACM
127views Database» more  SIGMOD 2002»
14 years 4 months ago
Approximate XML joins
XML is widely recognized as the data interchange standard for tomorrow, because of its ability to represent data from a wide variety of sources. Hence, XML is likely to be the for...
Sudipto Guha, H. V. Jagadish, Nick Koudas, Divesh ...
ICDE
2003
IEEE
125views Database» more  ICDE 2003»
14 years 5 months ago
Querying XML data sources in DB2: the XML Wrapper
Vanja Josifovski, Peter M. Schwarz