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PODS
2008
ACM
165views Database» more  PODS 2008»
15 years 9 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
SACMAT
2003
ACM
15 years 2 months ago
Cooperative role-based administration
In large organizations the administration of access privileges (such as the assignment of an access right to a user in a particular role) is handled cooperatively through distribu...
Horst Wedde, Mario Lischka
103
Voted
CORR
2008
Springer
114views Education» more  CORR 2008»
14 years 9 months ago
Temporal Support of Regular Expressions in Sequential Pattern Mining
Classic algorithms for sequential pattern discovery, return all frequent sequences present in a database. Since, in general, only a few ones are interesting from a user's poin...
Leticia I. Gómez, Bart Kuijpers, Alejandro ...
CORR
2002
Springer
95views Education» more  CORR 2002»
14 years 9 months ago
Unsupervised Learning of Morphology without Morphemes
The first morphological learner based upon the theory of Whole Word Morphology (Ford et al., 1997) is outlined, and preliminary evaluation results are presented. The program, Whol...
Sylvain Neuvel, Sean A. Fulop
BTW
2009
Springer
138views Database» more  BTW 2009»
15 years 4 months ago
GEM: A Generic Visualization and Editing Facility for Heterogeneous Metadata
: Many model management tasks, e.g., schema matching or merging, require the manual handling of metadata. Given the diversity of metadata, its many different representations and mo...
Jürgen Göres, Thomas Jörg, Boris St...