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Glossary
IPC In computing, Inter-process communication is a set of methods for the exchange of data
among multiple threads in one or more processes. 121, 122, 143, 164
IS Isolation is an ETCS Mode. 18, 80
Java Java is a modern, object-oriented programming language. 22, 28, 36, 74, 280
Java bytecode Java bytecode is generated by Java compilers and interpreted by the Java
virtual machine and therefore is (mostly) platform independent. 22
LZB Linienförmige Zugbeeinflussung is a cab signalling and train protection system used on
selected German and Austrian railway lines as well as the AVE in Spain. 12
MA In ATP, a Moving Authority allows a train to move about a certain distance. 186, 190,
192, 223
MDA Model-driven architecture is a software design approach for the development of software
systems. It provides a set of guidelines for the structuring of specifications, which are
expressed as models. 3, 39, 50, 158, 164, 209, 211, 234–236, 281
MERL The MetaEdit+ Reporting Language is a script language used in MetaEdit+ to define
code generators of graphical models. 37, 43, 44, 47, 50, 107, 108, 175, 176, 265, 266
meta meta model Model language that can be used to describe or define a DSL / meta model.
2, 3, 6, 22, 23, 25, 28, 29, 32, 34–37, 39, 40, 43, 44, 46, 47, 50, 52–54, 62, 65, 79, 97, 148,
162, 164, 179, 235, 237, 241, 278–280
meta model Domain-Specific model language / DSL. 2, 3, 6, 7, 23, 25, 28, 29, 31, 32, 35–37,
39, 40, 43, 46, 47, 50, 52–54, 61, 62, 65, 66, 79–81, 83–85, 97, 98, 108–110, 115, 116,
119–122, 124, 126–128, 130, 131, 137, 149, 158, 162–164, 166, 169, 173, 175, 178, 179,
183, 201, 209, 225, 234–237, 241, 242, 248, 280, 281
MMU The Memory Management Unit is a computer component responsible for handling
memory accesses requested by the CPU. 69, 74
moc The metaobject compiler is a tool that is run on the sources of a Qt program. It interprets
certain macros from the C++ code as annotations and uses them to generate added C++
code with Meta Information about the classes used in the program. 143
MOF The Meta Object Facility is a meta meta model using the UML. 23, 25, 26, 28, 29, 36,
40, 50, 54, 162, 237, 241, 242, 277, 278
NL Non Leading is an ETCS Mode. 19
NP No Power is an ETCS Mode. 18, 80, 84
OCL The Object Constraint Language is used to define constraints for UML models. 47, 48,
50, 52–54, 80, 97, 100, 107, 120, 162, 169, 170, 178, 235, 242
282