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» Querying RDF Data from a Graph Database Perspective
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ICDE
2009
IEEE
108views Database» more  ICDE 2009»
14 years 2 months ago
Galaxy: Encouraging Data Sharing among Sources with Schema Variants
This demonstration presents Galaxy, a schema manager that facilitates easy and correct data sharing among autonomous but related, evolving data sources. Galaxy reduces heterogenei...
Peter Mork, Len Seligman, Arnon Rosenthal, Michael...
ICDE
2010
IEEE
206views Database» more  ICDE 2010»
13 years 9 months ago
HECATAEUS: Regulating Schema Evolution
HECATAEUS is an open-source software tool for enabling impact prediction, what-if analysis, and regulation of relational database schema evolution. We follow a graph theoretic appr...
George Papastefanatos, Panos Vassiliadis, Alkis Si...
SIGMOD
2004
ACM
162views Database» more  SIGMOD 2004»
14 years 7 months ago
Graph Indexing: A Frequent Structure-based Approach
Graph has become increasingly important in modelling complicated structures and schemaless data such as proteins, chemical compounds, and XML documents. Given a graph query, it is...
Xifeng Yan, Philip S. Yu, Jiawei Han
WWW
2003
ACM
14 years 8 months ago
On deep annotation
The success of the Semantic Web crucially depends on the easy creation, integration and use of semantic data. For this purpose, we consider an integration scenario that defies cor...
Siegfried Handschuh, Steffen Staab, Raphael Volz
ESWS
2008
Springer
13 years 9 months ago
Graph Summaries for Subgraph Frequency Estimation
A fundamental problem related to graph structured databases is searching for substructures. One issue with respect to optimizing such searches is the ability to estimate the freque...
Angela Maduko, Kemafor Anyanwu, Amit P. Sheth, Pau...