Results 21 to 30 of about 54,581 (83)

Exploiting UMLS Semantics for Checking Semantic Consistency among UMLS concepts

open access: yes, 2010
Objectives: To quantify semantic inconsistency in UMLS concepts from the perspective of their hierarchical relations and to show through examples how semantically-inconsistent concepts can help reveal erroneous synonymy relations. Methods: Inconsistency is defined in reference to concepts from the UMLS Metathesaurus.
Erdogan, Halit   +2 more
openaire   +3 more sources

UML Reflections

open access: yes, 2001
The UML shares with reflective architectures the idea that self-de nition of languages and systems is a key principle for building and maintaining complex systems. The UML is now de ned by a four-layer metalevel structure, enabling a flexible and extensible de nition of mod- els by metamodels, and even a self-description of the meta-metamodel (the MOF).
François Pennaneac’h   +3 more
openaire   +3 more sources

Unlocking UMLS

open access: yes, 2023
The Unified Medical Language System (UMLS) is a widely used biomedical and clinical vocabulary maintained by the United States National Library of Medicine. However, it is notoriously difficult to access and work with due to licensing restrictions and its complex download system.
openaire   +1 more source

UML-kaaviot

open access: yes, 2008
Tässä tutkielmassa käydään lävitse kaikki erilaiset UML 2 -standardin mukaiset kaaviotyypit ja niissä esiintyvien elementtien piirtosymbolit. Kaikista kaavioista on esimerkki. Lisäksi tarkastellaan kaavioiden käyttöä ohjelmistoprojektin eri vaiheissa sekä erilaisia ohjelmistoja, joilla UML-kaavioita voidaan piirtää ja hyödyntää ohjelmistojen ...
openaire   +1 more source

An executable formal semantics for UML-RT

open access: yesJournal of Software and Systems Modeling, 2016
Ernesto Posse, J. Dingel
semanticscholar   +1 more source

Modelling Recursive Calls with UML State Diagrams

open access: yesFundamental Approaches to Software Engineering, 2003
Jennifer Tenzer, P. Stevens
semanticscholar   +1 more source

Specifying Services with UML and UML-RT

open access: yesElectronic Notes in Theoretical Computer Science, 2002
openaire   +1 more source

A method of refinement in UML-B

open access: yesJournal of Software and Systems Modeling, 2015
M. Said, M. Butler, C. Snook
semanticscholar   +1 more source

Verification of UML/OCL Class Diagrams using Constraint Programming

open access: yes2008 IEEE International Conference on Software Testing Verification and Validation Workshop, 1899
Jordi Cabot, R. Clarisó, D. Riera
semanticscholar   +1 more source
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A survey on the practical use of UML for different software architecture viewpoints

Information and Software Technology, 2020
Context Software architecture viewpoints modularize the software architectures in terms of different viewpoints that each address a different concern. Unified Modeling Language (UML) is so popular among practitioners for modeling software architectures ...
Mert Ozkaya, Ferhat Erata
semanticscholar   +1 more source

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