Topics in metadata modeling Meta-process modeling

1 topics in metadata modeling

1.1 ad hoc
1.2 assembly
1.3 instantiation
1.4 language
1.5 tool support

topics in metadata modeling

there different techniques constructing process models. construction techniques used in information systems area have developed independently of in software engineering. in information systems, construction techniques exploit notion of meta-model , 2 principal techniques used of instantiation , assembly. in software engineering main construction technique used today language-based. however, techniques in both, information systems , software engineering based on experience of process engineers , were, therefore, ad hoc in nature.

ad hoc

traditional process models expressions of experiences of developers. since experience not formalised , is, consequently, not available fund of knowledge, can said these process models result of ad hoc construction technique. has 2 major consequences: not possible know how these process models generated, , become dependent on domain of experience. if process models domain independent , if rapidly generable , modifiable, need go away experience based process model construction. clearly, generation , modifiability relate process management policy adopted (see usage world). instantiation , assembly, promoting modularization, facilitate capitalisation of practice , improvement of given process models.

assembly

the assembly technique based on idea of process repository process components can selected. rolland (1998) lists 2 selection strategies:

for assembly technique successful, necessary process models modular. if assembly technique combined instantiation technique meta-model must modular.

instantiation

for reusing processes meta-process model identifies common, generic features of process models , represents them in system of concepts. such representation has potential generate process models share these features. potential realised when generation technique defined application results in desired process model.

process models derived process meta-models through instantiation. rolland associates number of advantages instantiation approach:

instantiation technique has been used, example, in nature, rolland 1993, rolland 1994, , rolland 1996. process engineer must define instances of contexts , relationships comprise process model of interest.

language

rolland (1998) lists numerous languages expressing process models used software engineering community:

e3
various prolog dialects epos, oikos, , peace
ps-algol pwi

as further computational paradigms:

petri nets in epos , spade
rule based paradigm in merlin
alf
marvel
epos
triggers in adele , mvp-l.

languages typically related process programs whereas instantiation techniques have been used construct process scripts.

tool support

the meta-modeling process supported through software tools, called came tools (computer aided method engineering) or metacase tools (meta-level computer assisted software engineering tools). instantiation technique has been utilised build repository of computer aided method engineering environments .

example tools meta-process modeling are:

maestro ii
metaedit+
mentor




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