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algorithm (Alpha miner (2004) (3 Rules (1. Temporal Dependence:
A -> B…
algorithm
Alpha miner (2004)
3 Rules
1. Temporal Dependence:
A -> B
B follows a but a never follows B
this simply means B depends on
a a alway precedes B
2. Temporal Independence
A || B
there is a trace who are A follows B
but there's also trace where B follows A
that means A and B can be executed in parallel
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Limitations
- Loops :question:
- Invisble Tasks
- Duplicate Tasks
Extensions
- Alpha+
(short loop and self loop)
- Alpha++
(non-free choice construction)
- Alpha#
(invisible task)
State-based Regions
Limitations
- Inability do discover particular process constructs (pode ser resolvido)
- Inalibity to balance the four forces (F, P, G, S)
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Genetic process mining
- Muito lento para grande processos ou eventos de log :red_flag:
- Flexível: facilmente adicionamos novas forças (quality measures) :check:
- Frequentemente utilizado quando confrontado com novas questões, utilizado pelas abordagens mais eficientes
Trace -> Random Process Model -> Quality Measures -> LOOP (hundreds or thousands of iterations): Selection of best candidates (randon cross-over, mutation) -> Quality Measures.
Inductive miner
- Guarantees sound process models
- Usa process tree ao invés de petri net
- Repetidamente:
- Find most prominent split in event log
- Detect operator
- Continue on both sublogs
Fuzzy miner
- Usa process graph ao invés de Petri Net
- Não distingue choice and parallelism
- Bom para rápida exploração e obtenção de insigths
- Usado no Disco e Celonis
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