13 years 3 months ago
Automatic schema merging using mapping constraints among incomplete sources
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
Xiang Li 0002, Christoph Quix, David Kensche, Sand...
106views more  PVLDB 2010»
13 years 4 months ago
Just-in-time Data Integration in Action
Today’s data integration systems must be flexible enough to support the typical iterative and incremental process of integration, and may need to scale to hundreds of data sour...
Martin Hentschel, Laura M. Haas, Renée J. M...
96views more  PVLDB 2010»
13 years 4 months ago
Foundations of Uncertain-Data Integration
There has been considerable past work studying data integration and uncertain data in isolation. We develop the foundations for local-as-view (LAV) data integration when the sourc...
Parag Agrawal, Anish Das Sarma, Jeffrey D. Ullman,...
13 years 4 months ago
Ontology-based Registration of Entities for Data Integration in Large Biomedical Research Projects
Abstract: Large biomedical projects often include workflows running across institutional borders. In these workflows, data describing biomedical entities, such as patients, bio-m...
Toralf Kirsten, Alexander Kiel
105views more  DEBU 2002»
13 years 5 months ago
Data Integration: Where Does the Time Go?
We present a modular breakdown of data integration tasks and the results of a survey on the distribution of effort among those tasks. The modularization aids in project planning a...
Leonard J. Seligman, Arnon Rosenthal, Paul E. Lehn...
136views more  BIB 2002»
13 years 5 months ago
Technologies for Integrating Biological Data
The process of building a new database relevant to some field of study in biomedicine involves transforming, integrating, and cleansing multiple data sources, as well as adding ne...
L. Wong
112views more  TVCG 2008»
13 years 5 months ago
Vispedia: Interactive Visual Exploration of Wikipedia Data via Search-Based Integration
Abstract-Wikipedia is an example of the collaborative, semi-structured data sets emerging on the Web. These data sets have large, nonuniform schema that require costly data integra...
Bryan Chan, Leslie Wu, Justin Talbot, Mike Cammara...
100views more  AICOM 2004»
13 years 5 months ago
Query rewriting with symmetric constraints
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
Christoph Koch
127views Bioinformatics» more  JBI 2007»
13 years 5 months ago
Data integration and genomic medicine
Genomic medicine aims to revolutionize health care by applying our growing understanding of the molecular basis of disease. Research in this arena is data intensive, which means d...
Brenton Louie, Peter Mork, Fernando Martín-...
131views Data Mining» more  JODS 2006»
13 years 5 months ago
Integrating and Exchanging XML Data Using Ontologies
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...
Huiyong Xiao, Isabel F. Cruz