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	Metodologia Miękkich Systemów (SSM)	Metoda Delficka	Analiza morfologiczna
Dziedzina	Strukturyzacja problemów	Metody jakościowe	Eksploracja tekstu
Rodzina	Process / pipeline	Process / pipeline	Process / pipeline
Rok powstania	1981	1963	1980
Twórca	Peter Checkland	Norman Dalkey & Olaf Helmer (RAND Corporation)	M.F. Porter (Porter stemmer)
Typ	Interpretive problem-structuring methodology	Structured iterative expert-elicitation process	Text-normalisation preprocessing task
Źródło pierwotne	Checkland, P. (1981). Systems Thinking, Systems Practice. Wiley. ISBN: 978-0-471-27911-2	Dalkey, N. & Helmer, O. (1963). An Experimental Application of the Delphi Method to the Use of Experts. Management Science, 9(3), 458-467.	Porter, M.F. (1980). An Algorithm for Suffix Stripping. Program, 14(3), 130-137.
Inne nazwy	SSM, Checkland's SSM, Soft Systems Analysis, Yumuşak Sistemler Metodolojisi	Delphi Yöntemi, Delphi technique, expert consensus method	stemming, lemmatization, Morfolojik Analiz ve Kök Bulma
Pokrewne	3	5	4
Podsumowanie	Soft Systems Methodology (SSM) is an interpretive, action-research approach for structuring and managing complex, ill-defined ('soft') problem situations involving human activity. Developed by Peter Checkland at Lancaster University throughout the 1970s and formally presented in 1981, SSM guides practitioners through iterative cycles of inquiry that move from an unstructured problem situation to purposeful action through structured learning rather than optimization.	The Delphi method is a structured, iterative survey technique developed by Norman Dalkey and Olaf Helmer at the RAND Corporation in 1963 for eliciting and converging expert opinion on complex topics where empirical data are unavailable or insufficient. It collects independent judgements from a geographically dispersed expert panel over multiple anonymous rounds, feeding aggregated results back to participants after each round so they can revise their views in light of the group's collective position.	Morphological analysis splits words into their stems and affixes so that different surface forms of the same word can be treated as one. It covers two complementary approaches — rule-based stemming, such as the Porter (1980) and Snowball algorithms, and dictionary-aware lemmatization — and is a critical text-normalisation step for agglutinative languages such as Turkish and Arabic.