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ER
2008
Springer
106views Database» more  ER 2008»
15 years 9 months ago
Towards a Compositional Semantic Account of Data Quality Attributes
We address the fundamental question: what does it mean for data in a database to be of high quality? We motivate our discussion with examples, where traditional views on data quali...
Lei Jiang, Alexander Borgida, John Mylopoulos
179
Voted
PR
2008
131views more  PR 2008»
15 years 7 months ago
A memetic algorithm for evolutionary prototype selection: A scaling up approach
Prototype selection problem consists of reducing the size of databases by removing samples that are considered noisy or not influential on nearest neighbour classification tasks. ...
Salvador García, José Ramón C...
242
Voted
DKE
2002
218views more  DKE 2002»
15 years 7 months ago
Computing iceberg concept lattices with T
We introduce the notion of iceberg concept lattices and show their use in knowledge discovery in databases. Iceberg lattices are a conceptual clustering method, which is well suit...
Gerd Stumme, Rafik Taouil, Yves Bastide, Nicolas P...
265
Voted
FROCOS
2011
Springer
14 years 7 months ago
Tailoring Temporal Description Logics for Reasoning over Temporal Conceptual Models
Temporal data models have been used to describe how data can evolve in the context of temporal databases. Both the Extended Entity-Relationship (EER) model and the Unified Modelli...
Alessandro Artale, Roman Kontchakov, Vladislav Ryz...
298
Voted
ICDE
2008
IEEE
134views Database» more  ICDE 2008»
16 years 8 months ago
Skippy: Enabling Long-Lived Snapshots of the Long-Lived Past
Decreasing disk costs have made it practical to retain longlived snapshots, enabling new applications that analyze past states and infer about future states. Current approaches of...
Ross Shaull, Liuba Shrira, Hao Xu