Concept-Based Web Search
Traditional web search engines are keyword-based. Such a mechanism is effective when the user knows exactly the right words...
A Linear Algebra Technique for (de)Centralized Processing of SPARQL Queries
We are witnessing the evolution of the Web from a worldwide information space of linked documents to a global...
Non-binary Evaluation for Schema Matching
In this work we extend the commonly used binary evaluation of schema matching to support evaluation methods for non-binary...
Rules from Cognition for Conceptual Modelling
Conceptual Modelling is a cognitive intensive process. Prior research has acknowledged the importance of cognitive theories and their implications...
Conceptualizing and Specifying Key Performance Indicators in Business Strategy Models
Key Performance Indicators (KPI) measure the performance of an organization relative to its objectives. To monitor organizational performance relative...
Using Domain Ontologies as Semantic Dimensions in Data Warehouses
More and more transaction systems collect records that reference concepts of domain ontologies in so-called semantic attributes. This paper...
Data Support in Process Model Abstraction
Process model abstraction is an effective approach to reduce the complexity and increase the understandability of process models. Several...
Sliced Column-Store (SCS): Ontological Foundations and Practical Implications
Advances in business intelligence systems based on processing large data volumes are driving efforts toward read-optimized databases. Recently, the...
Schema Decryption for Large Extract-Transform-Load Systems
Extract-Transform-Load (ETL) tools are used for the creation, maintenance, and evolution of data warehouses, data marts, and operational data...
Fast Group Recommendations by Applying User Clustering
Recommendation systems have received significant attention, with most of the proposed methods focusing on personal recommendations. However, there are...
