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ER
1999
Springer
108views Database» more  ER 1999»
15 years 2 months ago
Modeling Cyclic Change
Database support of time-varying phenomena typically assumes that entities change in a linear fashion. Many phenomena, however, change cyclically over time. Examples include monsoo...
Kathleen Hornsby, Max J. Egenhofer, Patrick J. Hay...
ICDT
2012
ACM
251views Database» more  ICDT 2012»
13 years 5 days ago
Computing universal models under guarded TGDs
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
André Hernich
ICDE
2003
IEEE
183views Database» more  ICDE 2003»
15 years 11 months ago
Skyline with Presorting
There has been interest recently in skyline queries, also called Pareto queries, on relational databases. Relational query languages do not support search for "best" tupl...
Jan Chomicki, Parke Godfrey, Jarek Gryz, Dongming ...
EMNLP
2009
14 years 7 months ago
Classifying Relations for Biomedical Named Entity Disambiguation
Named entity disambiguation concerns linking a potentially ambiguous mention of named entity in text to an unambiguous identifier in a standard database. One approach to this task...
Xinglong Wang, Jun-ichi Tsujii, Sophia Ananiadou
ICDT
1995
ACM
101views Database» more  ICDT 1995»
15 years 1 months ago
Approximation in Databases
Partial information in databases can arise when information from several databases is combined. Even if each database is complete for some \world", the combined databases wil...
Leonid Libkin