TemporalEMF: A Temporal Metamodeling Framework
Existing modeling tools provide direct access to the most current version of a model but very limited support to...
A Semantic Framework for Designing Temporal SQL Databases
Many real world applications need to capture a mix of temporal and non-temporal entities, relationships and attributes. These concepts...
Nested Schema Mappings for Integrating JSON
JSON has become one of the most popular data formats. Yet studies on JSON data integration (DI) are scarce....
Multi-level Conceptual Modeling: From a Formal Theory to a Well-Founded Language
Subject domains are often conceptualized with entities stratified into a rigid two-level structure: a level of classes and a...
Conceptual Modeling of Legal Relations
Legal relations abound in conceptual modeling. Despite that, the representation of these relations in the area has not yet...
Increasing the Semantic Transparency of the KAOS Goal Model Concrete Syntax
Stakeholders without formal training in requirements modelling languages, such as KAOS, struggle to understand requirements specifications. The lack of...
Inferring Deterministic Regular Expression with Counting
Since many XML documents are not accompanied by a schema, it is essential to devise algorithms for schema inference....
Using Contextual Goal Models for Constructing Situational Methods
Situation and intention are two fundamental notions in situational method engineering (SME). They are used to assess the context...
Towards Quality Analysis for Document Oriented Bases
Document-oriented bases allow high flexibility in data representation which facilitates a rapid development of applications and enables many possibilities...
Multi-perspective Comparison of Business Process Variants Based on Event Logs
A process variant represents a collection of cases with certain shared characteristics, e.g. cases that exhibit certain levels of...