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...
An Integrated Conceptual Model to Incorporate Information Tasks in Workflow Models
In information-rich environments, participants can, and often must, access and use diverse sources of data to support their decision-making...
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...
Understanding Tables on the Web
The Web contains a wealth of information, and a key challenge is to make this information machine processable. In...
Bridging the Gaps towards Advanced Data Discovery over Semi-structured Data
In this work we argue that two main gaps currently hinder the development of new applications requiring sophisticated data...
