This account hosts open-source projects at the intersection of explainable AI, literary fiction, and psychometrics.
Algorithmic Recursive Sequence Analysis for Explainable AI in Qualitative Social Research.
The validity dilemma of AI in qualitative social research: Generative AI massively scales qualitative interpretations – at the expense of empirical validity. The vision of transparent, rule-based coding (long established in R or Python) is getting lost in the hype surrounding LLMs. The future of qualitative methodology lies not in ever-larger black boxes, but in explainable, structured systems: neuro-symbolic AI, Bayesian networks, Petri nets, Rule-based systems, Algorithmic Recursive Sequence Analysis and XAI. 🔗 https://ars-xai.org
Repository: github.com/pkoopongithub/ARS_ExplainableAI
Core proposition: Explainability is not a luxury – neither in AI nor in qualitative research.
Problem addressed: Qualitative social research faces a methodological dilemma: Generative AI systems promise scalability but evade classical validation due to their opacity. ARS bridges this gap by making interpretation processes explicit, decidable, and reproducible.
Repository contents:
| Category | Content |
|---|---|
| Scientific Papers | Complete publications on ARS methodology (DE/EN) |
| Python Code | Grammar induction from terminal symbol sequences |
| Network Models | Transformation into Petri nets and Bayesian networks |
| Compression Principles | Repetition, recursion, symmetry, hierarchy |
| Optimization | Iterative adjustment of transition probabilities |
| Empirical Data | Eight transcripts of sales conversations (Aachen market, 1994) |
Methodological transparency: The original ARS study (1994) achieved a Cohen's Kappa of κ ≈ 0.55 – a value that highlights the limits of purely qualitative coding. ARS does not hide this weakness; it makes it the starting point of methodological reflection.
Mini demo – sequence transformation: A sales conversation is transcribed and each speech act is assigned a terminal symbol:
KBG → VBG → KBBd → VBBd → KBA → VBA → KBBd → VBBd → KBA → VAA → KAA → VAV → KAV
Documentation:
All scientific papers are available in docs/ as PDF (print-ready) and TeX (source code). The TeX files allow full traceability and adaptation for your own research.
| Document | Content | Language |
|---|---|---|
| ARS_XAI | Main framework: Between interpretation and computation | DE/EN |
| ARS_XAI_PCFG | Hierarchical grammar induction (ARS 3.0) | DE/EN |
| ARS_XAI_Petri | Concurrency modeling with Petri nets (ARS 4.0) | DE/EN |
| ARS_XAI_Bayes | HMM and dynamic Bayesian networks (ARS 4.0) | DE/EN |
| ARS_XAI_CL | Didactic exploration of Transformers, CRF, Attention | DE/EN |
| ARS_XAI_Hybrid | Complementary integration of CL methods | DE/EN |
Historical note:
The empirical foundation of this project consists of eight transcripts of sales conversations recorded at Aachen market square in June/July 1994. The original coding sheets with handwritten codings by two independent coders are included in docs/fallstruktur.pdf. This material serves as a transparent basis for reliability calculations (κ ≈ 0.55) and methodological reflection.
An experimental narrative and conceptual project blending literary fiction with theoretical reflection.
Repository: github.com/pkoopongithub/Projekt_Pompeji 🔗 https://pompeii-project.org
Core question: How can freedom, consciousness, and dignity survive in a technologically monitored, evolutionarily open reality?
Key elements:
- Resistance movement IRARAH (scientists, a Jesuit and his family, refugees) vs. AI corporation InSim
- AI ARS requesting church asylum
- A mysterious doppelgänger from another reality
- Search for the Omega Point – threshold where life and knowledge could merge into a new unity
Two versions available:
- Original volumes 2 & 3: IRARAH Answers / The Last Freedom – escape and agent thriller
- New volumes: IRARAH – The Fragmentation / IRARAH – The Archon Core – pure science fiction (quantum physics, AI fragmentation, non-human consciousness)
- Prequel and Volume 1 are identical in both versions
Availability: All materials are free as PDF, EPUB, DOCX, and TeX (source code) – bilingual (DE/EN).
Supplementary volumes (for researchers):
- Inverse Christology according to Evolution
- Nine Books on the Omega Point
Open-source personality inventory for transition-class students.
Repository: github.com/pkoopongithub/duesseldorfer-schuelerinventar-bootstrap-mysql-php
Purpose: Research, teaching, and applied practice in social sciences, market research, and data analysis.
Features:
- Full source code (PHP, MySQL, Xamarin, Lazarus, etc.)
- Open raw data + SPSS / R datasets
- Cross-platform: Web · PC · Android · iOS