Sciweavers

479 search results - page 38 / 96
» Schema mapping discovery from data instances
Sort
View
SIGMOD
2008
ACM
85views Database» more  SIGMOD 2008»
15 years 9 months ago
The ORCHESTRA Collaborative Data Sharing System
Sharing structured data today requires standardizing upon a single schema, then mapping and cleaning all of the data. This results in a single queriable mediated data instance. Ho...
Zachary G. Ives, Todd J. Green, Grigoris Karvounar...
75
Voted
LREC
2010
160views Education» more  LREC 2010»
14 years 11 months ago
Extraction, Merging, and Monitoring of Company Data from Heterogeneous Sources
We describe the implementation of an enterprise monitoring system that builds on an ontology-based information extraction (OBIE) component applied to heterogeneous data sources. T...
Christian Federmann, Thierry Declerck
EDBT
2008
ACM
124views Database» more  EDBT 2008»
15 years 9 months ago
Scalable XQuery type matching
XML Schema awareness has been an integral part of the XQuery language since its early design stages. Matching XML data against XML types is the main operation that backs up XQuery...
Jens Teubner
99
Voted
DLOG
2008
15 years 3 hour ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
SIGMOD
2003
ACM
146views Database» more  SIGMOD 2003»
15 years 9 months ago
The Piazza peer data management project
A major problem in today's information-driven world is that sharing heterogeneous, semantically rich data is incredibly difficult. Piazza is a peer data management system tha...
Igor Tatarinov, Zachary G. Ives, Jayant Madhavan, ...