On Designing Archiving Policies for Evolving RDF Datasets on the Web
When dealing with dynamically evolving datasets, users are often interested in the state of affairs on previous versions of...
Efficient Reverse kNN Query Algorithm on Road Network Distances Using Partitioned Subgraphs
Reverse k-nearest neighbor (RkNN) queries in road network distances require long processing time in most conventional algorithms because these...
Ontology-Based Spelling Suggestion for RDF Keyword Search
We study the spelling suggestion problem for keyword search over RDF data, which provides users with alternative queries that...
A Data Quality in Use Model for Big Data
Organizations are nowadays immersed in the Big Data Era. Beyond the hype of the concept of Big Data, it...
Business Intelligence and Big Data in the Cloud: Opportunities for Design-Science Researchers
Cloud computing and big data offer new opportunities for business intelligence (BI) and analytics. However, traditional techniques, models, and...
From Business Intelligence to Semantic Data Stream Management
The Semantic Web technologies are being increasingly used for exploiting relations between data. In addition, new tendencies of real-time...
Understandability of Goal Concepts by Requirements Engineering Experts
ARMOR is a graphical language for modeling business goals and enterprise architectures. In previous work we have identified problems...
On the Definition of Self-service Systems
Changing requirements are common in today’s organizations, and have been a central concern in Requirements Engineering (RE). Over time,...
Semantic Monitoring and Compensation in Socio-technical Processes
Socio-technical processes are becoming increasingly important, with the growing recognition of the computational limits of full automation, the growth...
Modeling Regulatory Compliance in Requirements Engineering
A large and rapidly growing number of laws is impacting software systems world-wide. For each one of them, software...