Frame conditions in symbolic representations of UML/OCL models

N Przigoda, J Gomes Filho, P Niemann… - 2016 ACM/IEEE …, 2016 - ieeexplore.ieee.org
Verification and validation of UML/OCL models is a crucial task in the design of complex
software/hardware systems. The behavior in those models is expressed in terms of …

[BOOK][B] Automated Validation & Verification of UML/OCL Models Using Satisfiability Solvers

N Przigoda, R Wille, J Przigoda, R Drechsler - 2018 - Springer
Only four decades after the first manned flight to the moon, a common device such as a
smartphone consists of more complex technology than the “high-end” computers that …

Towards a verification flow across abstraction levels verifying implementations against their formal specification

P Gonzalez-de-Aledo, N Przigoda… - … on Computer-Aided …, 2016 - ieeexplore.ieee.org
The use of formal models to describe early versions of the structure and the behavior of a
system has become common practice in industry. UML and OCL are the de-facto …

Frame conditions in the automatic validation and verification of UML/OCL models: A symbolic formulation of modifies only statements

N Przigoda, P Niemann, J Gomes Filho, R Wille… - … Languages, Systems & …, 2018 - Elsevier
Validation and verification of UML/OCL models is a crucial task in the design of complex
software/hardware systems. The behavior in those models is expressed in terms of …

[PDF][PDF] Towards an Automatic Approach for Restricting UML/OCL Invariability Clauses.

N Przigoda, J Peters, M Soeken, R Wille… - MoDeVVa …, 2015 - msoeken.github.io
The complexity of modern systems (in both, the software and hardware domain) raises the
need for abstract descriptions in early stages of the design flow. Such abstract descriptions …

Generation and validation of frame conditions in formal models

P Niemann, N Przigoda, R Wille… - … Conference on Model …, 2018 - Springer
Operation contracts are a popular description means in behavioral system modeling. Pre-
and postconditions are used to describe the effects on model elements (such as attributes …

[PDF][PDF] Analyzing Frame Conditions in UML/OCL Models-Consistency Equivalence and Independence.

P Niemann, N Przigoda, R Wille, R Drechsler - MODELSWARD, 2018 - iic.jku.at
In behavioral modeling using UML/OCL, operation contracts defined by pre-and
postconditions describe the effects on model elements (such as attributes, links, etc.) that are …

Model-Based Specification and Refinement for Cyber-Physical Systems

R Drechsler, S Autexier, C Lüth - … in Logistics: Proceedings of the 5th …, 2016 - Springer
Cyber-physical systems are small yet powerful systems which are embedded into their
environment, adapting to its changes and at the same controlling it, and often operating …

UMLAUT: Synthesis of Natural Language from Constrained UML Models

M Ring, J Stoppe, R Drechsler - Workshop on Design Automation for …, 2018 - elib.dlr.de
Understanding formal specifications is a fundamental prerequisite in the design of any
complex system. While it is feasible to machine check the conformance of an implementation …

Re-utilizing Verification Results of UML/OCL Models

N Przigoda, R Wille, J Przigoda, R Drechsler… - Automated Validation & …, 2018 - Springer
Utilizing all the methods introduced in the previous chapters allows for automatically
conducting various validation and verification tasks using the UML/OCL model of the system …