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NLDB
2007
Springer
14 years 4 months ago
Flexible and Customizable NL Representation of Requirements for ETL processes
The design of an Extract – Transform – Load (ETL) workflow for the population of a Data Warehouse is a complex and challenging procedure. In previous work, we have presented an...
Dimitrios Skoutas, Alkis Simitsis
EDBT
2008
ACM
120views Database» more  EDBT 2008»
14 years 10 months ago
Schema mapping verification: the spicy way
Schema mapping algorithms rely on value correspondences ? i.e., correspondences among semantically related attributes ? to produce complex transformations among data sources. Thes...
Angela Bonifati, Giansalvatore Mecca, Alessandro P...
ITCC
2002
IEEE
14 years 2 months ago
Bridging O-Telos and XML with XML Schema: the Authoring Environment for KBS Adaptive Hyperbook
KBS Adaptive Hyperbook is a framework designed for modeling, organizing, and maintaining distributed hypermedia resources on the Web with the purpose of supporting Web-based dista...
Changtao Qu, Wolfgang Nejdl
SIGMOD
2010
ACM
249views Database» more  SIGMOD 2010»
13 years 10 months ago
Worry-free database upgrades: automated model-driven evolution of schemas and complex mappings
Schema evolution is an unavoidable consequence of the application development lifecycle. The two primary schemas in an application, the client conceptual object model and the pers...
James F. Terwilliger, Philip A. Bernstein, Adi Unn...
EJC
2008
13 years 11 months ago
Conceptual Modeling of IS-A Hierarchies for XML
In this paper we briefly describe a new conceptual model for XML called XSEM. It is a combination of several approaches in the area. It divides the conceptual modeling process to c...
Martin Necasky, Jaroslav Pokorný