A Model for Geographic Knowledge Extraction on Web Documents
There is an increasing interest on doing research in the field of information retrieval which aims to incorporate new...
Multi-level Conceptual Modeling and OWL
Ontological metamodeling or multilevel-modeling refers to describing complex domains at multiple levels of abstraction, especially in domains where the...
A Semantic Approach to Describe Geospatial Resources
Geographic information systems (GIS) are increasingly using geospatial data from the Web to produce geographic information. One big challenge...
Assessing Modal Aspects of OntoUML Conceptual Models in Alloy
Assessing the quality of conceptual models is key to ensure that conceptual models can be used effectively as a...
First-Order Types and Redundant Relations in Relational Databases
Roughly, we define a redundant relation in a database instance (dbi) as a k-ary relation R such that there...
On Matrix Representations of Participation Constraints
We discuss the existence of matrix representations for generalised and minimum participation constraints which are frequently used in database...
Toward Formal Semantics for Data and Schema Evolution in Data Stream Management Systems
Data Stream Management Systems (DSMSs) do not statically respond to issued queries — rather, they continuously produce result streams...
XML Machines
In order to capture the dynamics of XML databases a general model of tree-based database transformations is required. In...
Preface to FP-UML 2009
Read the full paper here: https://link.springer.com/chapter/10.1007/978-3-642-04947-7_13
Applying AUML and UML 2 in the Multi-agent Systems Project
This article discusses the viability of the AUML and UML languages employment, from the latter’s version 2.0 on, in...
