Ralph Schäfermeier
YOU?
Author Swipe
View article: A Hate Speech Moderated Chat Application: Use Case for GDPR and DSA Compliance
A Hate Speech Moderated Chat Application: Use Case for GDPR and DSA Compliance Open
The detection of hate speech or toxic content online is a complex and sensitive issue. While the identification itself is highly dependent on the context of the situation, sensitive personal attributes such as age, language, and nationalit…
View article: Tracking Changes for Inter-Version Interoperability in Heterogeneous Evolving Medical Terminologies
Tracking Changes for Inter-Version Interoperability in Heterogeneous Evolving Medical Terminologies Open
Introduction: Medical terminologies and code systems, which play a vital role in the health domain, are rarely static but undergo changes as knowledge and terminology evolves. This includes addition, deletion and relabeling of terms, and, …
View article: Extending the TOP Framework with an Ontology-Based Text Search Component
Extending the TOP Framework with an Ontology-Based Text Search Component Open
Introduction: Constructing search queries that deal with complex concepts is a challenging task without proficiency in the underlying query language – which holds true for either structured or unstructured data. Medical data might encompas…
View article: Modeling a GDPR Compliant Data Wallet Application in Prova and AspectOWL
Modeling a GDPR Compliant Data Wallet Application in Prova and AspectOWL Open
We present a GDPR-compliant data privacy and access use case of a distributed data wallet and we explore its modeling using two options, AspectOWL and Prova. This use case requires a representation capable of expressing the dynamicity and …
View article: Concept Graphs: A Novel Approach for Textual Analysis of Medical Documents
Concept Graphs: A Novel Approach for Textual Analysis of Medical Documents Open
The task of automatically analyzing the textual content of documents faces a number of challenges in general but even more so when dealing with the medical domain. Here, we can’t normally rely on specifically pre-trained NLP models or even…
View article: Modelling Adverse Events with the TOP Phenotyping Framework
Modelling Adverse Events with the TOP Phenotyping Framework Open
The detection and prevention of medication-related health risks, such as medication-associated adverse events (AEs), is a major challenge in patient care. A systematic review on the incidence and nature of in-hospital AEs found that 9.2% o…
View article: Multi-agent Online Planning Architecture for Real-time Compliance
Multi-agent Online Planning Architecture for Real-time Compliance Open
Due to the recent rapid introduction of AI technologies into society, we face new risks related to AI. Therefore, it is very important to let AI be compliant with legal and ethical norms to reduce such risks. In this paper, we propose a me…
View article: ROC: An ontology for country responses towards COVID-19
ROC: An ontology for country responses towards COVID-19 Open
The ROC ontology for country responses to COVID-19 provides a model for collecting, linking and sharing data on the COVID-19 pandemic. It follows semantic standardization (W3C standards RDF, OWL, SPARQL) for the representation of concepts …
View article: Towards an Ontology-Based Phenotypic Query Model
Towards an Ontology-Based Phenotypic Query Model Open
Clinical research based on data from patient or study data management systems plays an important role in transferring basic findings into the daily practices of physicians. To support study recruitment, diagnostic processes, and risk facto…
View article: ROC: An Ontology for Country Responses towards COVID-19
ROC: An Ontology for Country Responses towards COVID-19 Open
The ROC ontology for country responses to COVID-19 provides a model for collecting, linking and sharing data on the COVID-19 pandemic. It follows semantic standardization (W3C standards RDF, OWL, SPARQL) for the representation of concepts …
View article: Using formal ontology for the representation of morphological properties of anatomical structures in endoscopic surgery
Using formal ontology for the representation of morphological properties of anatomical structures in endoscopic surgery Open
In this paper we present results to the problem of an adequate and compact symbolic representation of morphological features of anatomical structures that serve as surgical landmarks for automated assistance in endoscopic surgery using the…
View article: Ontology Design Patterns for Representing Context in Ontologies using Aspect Orientation.
Ontology Design Patterns for Representing Context in Ontologies using Aspect Orientation. Open
Context-sensitive knowledge is ubiquitous. Knowledge may, for example, change over time and from location to location, or it may be dependent on an observer's background knowledge, belief, or opinion. We observe that specifying context lea…
View article: Weaving Ontology Aspects Using a Catalog of Structural Ontology Design Patterns.
Weaving Ontology Aspects Using a Catalog of Structural Ontology Design Patterns. Open
Modular development of ontologies proves beneficial at different stages of the ontology lifecycle. In our previous work, we proposed aspect-oriented ontology development as a flexible approach to modular ontology development and a-posterio…
View article: Corporate Smart Content Evaluation
Corporate Smart Content Evaluation Open
Nowadays, a wide range of information sources are available due to the evolution of web and collection of data. Plenty of these information are consumable and usable by humans but not understandable and processable by machines. Some data m…
View article: Corporate Smart Content
Corporate Smart Content Open
In this technical report, we present the results of the first milestone phase of the Corporate Smart Content sub-project "Smart Content Enrichment". We present analyses of the state of the art in the fields concerning the three working pac…