Finding Preferred Objects with Taxonomies
Preferences about objects of interest are often expressed at different levels of granularity, not always matching the level of...
Query Rewriting for Continuously Evolving NoSQL Databases
In agile software development settings, applications are typically backed by schema-flexible NoSQL databases. New application code frequently implies data...
Generic Negative Scenarios for the Specification of Collaborative Cyber-Physical Systems
Collaborative cyber-physical systems face a plethora of different albeit often similar set-ups they might find themselves in during runtime....
Relaxed Functional Dependency Discovery in Heterogeneous Data Lakes
Functional dependencies are important for the definition of constraints and relationships that have to be satisfied by every database...
HIKE: A Step Beyond Data Exchange
The problem of exchanging data, even considering incomplete and heterogeneous data, has been deeply investigated in the last years....
An Ontological Perspective for Database Tuning Heuristics
Database tuning is a complex task, involving technology-specific concepts. Although they seem to share a common meaning, there are...
Unified Management of Multi-model Data
The variety of data is one of the most challenging issues for research and practice in data management. The...
SkipSJoin: A New Physical Design for Distributed Big Data Warehouses in Hadoop
Hadoop uses horizontal partitioning to improve the performance of a big data warehouse. A major challenge when horizontally partitioning...
Learning k-Occurrence Regular Expressions from Positive and Negative Samples
Deterministic regular expressions (DREs) are a core part of XML schema languages such as DTD/XSD and are used in...
What Rocks Are Made of: Towards an Ontological Pattern for Material Constitution in the...
We propose an ontological pattern for dealing with the material constitution relation in Geology domain. This is important because...
