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PVLDB
2010
128views more  PVLDB 2010»
13 years 8 months ago
Update Rewriting and Integrity Constraint Maintenance in a Schema Evolution Support System: PRISM++
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
Carlo Curino, Hyun Jin Moon, Alin Deutsch, Carlo Z...
PVLDB
2008
146views more  PVLDB 2008»
13 years 9 months ago
Graceful database schema evolution: the PRISM workbench
Supporting graceful schema evolution represents an unsolved problem for traditional information systems that is further exacerbated in web information systems, such as Wikipedia a...
Carlo Curino, Hyun Jin Moon, Carlo Zaniolo
DILS
2008
Springer
13 years 11 months ago
Analyzing the Evolution of Life Science Ontologies and Mappings
Abstract. Ontologies are heavily developed and used in life sciences and undergo continuous changes. However, the evolution of life science ontologies and references to them (e.g.,...
Michael Hartung, Toralf Kirsten, Erhard Rahm
VLDB
2005
ACM
165views Database» more  VLDB 2005»
14 years 3 months ago
Semantic Adaptation of Schema Mappings when Schemas Evolve
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...
Cong Yu, Lucian Popa
BMCBI
2005
113views more  BMCBI 2005»
13 years 9 months ago
PentaPlot: A software tool for the illustration of genome mosaicism
Background: Dekapentagonal maps depict the phylogenetic relationships of five genomes in a visually appealing diagram and can be viewed as an alternative to a single evolutionary ...
Lutz Hamel, Olga Zhaxybayeva, J. Peter Gogarten