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» A Web Query System for Heterogeneous Government Data
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PODS
2006
ACM
137views Database» more  PODS 2006»
14 years 8 months ago
Data exchange: computing cores in polynomial time
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...
Georg Gottlob, Alan Nash
WS
2010
ACM
13 years 7 months ago
Semantic web enabled software analysis
One of the most important decisions researchers face when analyzing software systems is the choice of a proper data analysis/exchange format. In this paper, we present EvoOnt, a s...
Jonas Tappolet, Christoph Kiefer, Abraham Bernstei...
PODS
2009
ACM
86views Database» more  PODS 2009»
14 years 9 months ago
Reverse data exchange: coping with nulls
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
WWW
2005
ACM
14 years 9 months ago
Constructing extensible XQuery mappings
Constructing and maintaining semantic mappings are necessary but troublesome in data sharing systems. While most current work focuses on seeking automated techniques to solve this...
Gang Qian, Yisheng Dong
VLDB
1998
ACM
139views Database» more  VLDB 1998»
14 years 26 days ago
Experiences in Federated Databases: From IRO-DB to MIRO-Web
From beginning of 1994 to the end of 1996, the IRO-DB ESPRIT project has developed tools for accessing relational and object-oriented databases in an integrated way. The system is...
Peter Fankhauser, Georges Gardarin, M. Lopez, J. M...