Repairing Dimension Hierarchies under Inconsistent Reclassification
On-Line Analytical Processing (OLAP) dimensions are usually modelled as a hierarchical set of categories (the dimension schema), and dimension...
Exploiting Data Dependencies with Null Values for Ontology Extraction
I present a novel methodology to automatically extract ontologies in the form of conceptual schemes characterizing raw data and...
GrHyMM: A Graph-Oriented Hybrid Multidimensional Model
The main methodologies for the data warehouse design are based on two approaches which are opposite and alternative each...
Partial Multi-dimensional Schema Merging in Heterogeneous Data Warehouses
In recent years, novel approaches and architectures to support Data Warehouse integration (like the P2P Data Warehouse , also...
Ontologies and Functional Dependencies for Data Integration and Reconciliation
Integrating data sources is the key success of business intelligence systems. The exponential growth of autonomous data sources over...
Knowlog: A Declarative Language for Reasoning about Knowledge in Distributed Systems
In the last few years, researchers started to investigate how recursive queries and deductive languages can be applied to...
A Comprehensive Framework on Multidimensional Modeling
In this paper we discuss what current multidimensional design approaches provide and which are their major flaws. Our contribution...
A Framework for Populating Ontological Models from Semi-structured Web Documents
The Web is the largest repository of information that has ever existed. This information is presented in a human...
Data Management in a Modern ITS: Problems and Solutions
The sustainable urban mobility of people and goods in a territory has become one of the major challenges which...
Preface to WISM 2011
Read the full paper here: https://link.springer.com/chapter/10.1007/978-3-642-24574-9_1





