A Middle-Level Ontology for Context Modelling
Context modelling is one of the stages conducted during the context life cycle. It has the aim of giving...
A Working Model for Uncertain Data with Lineage
Lineage is important in uncertain data management since it can be used for finding out which part of data...
An Ontology Design Pattern to Represent False-Results
Observations are an important aspect of our society. Arguably, great part of them is captured by means of sensors....
Capturing Variability in Adaptation Spaces: A Three-Peaks Approach
Variability is essential for adaptive software systems, because it captures the space of alternative adaptations a system is capable...
Ontology Engineering by Combining Ontology Patterns
Building proper reference ontologies is a hard task. There are a number of methods and tools that traditionally have...
Towards a Service Ontology Pattern Language
In this paper we partially present an initial version of an Ontology Pattern Language, called S-OPL, describing the core...
Incremental Checking of OCL Constraints with Aggregates Through SQL
Valid states of data are those satisfying a set of constraints. Therefore, efficiently checking whether some constraint has been...
Probabilistic Cardinality Constraints
Probabilistic databases address well the requirements of an increasing number of modern applications that produce large collections of uncertain...
SQL Data Profiling of Foreign Keys
Referential integrity is one of the three inherent integrity rules and can be enforced in databases using foreign keys....
From Web Tables to Concepts: A Semantic Normalization Approach
Relational Web tables, embedded in HTML or published on data platforms, have become an important resource for many applications,...