| # Scientific and technical limitations |
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| 1. **No truth inference:** link relation labels are user judgments. Mixed supportive and challenging links are not a formal contradiction test. |
| 2. **No automatic evidence extraction:** bibliographic API records are not article texts. The user must supply checked excerpts and locators. |
| 3. **No causal inference:** connecting indicators with hypotheses does not estimate a policy effect. No confounding controls or counterfactual assumptions are tested. |
| 4. **No meta-analysis:** link counts cannot be pooled as effect sizes or votes across independent studies. |
| 5. **No semantic DOI deduplication:** only exact normalized DOI matches are detected when imported. |
| 6. **No persistent storage:** download JSON before closing the page. No cross-device sync. |
| 7. **Small networks:** SVG display grows cluttered with very large graphs; restrict to concise research questions and export GraphML for dedicated network software. |
| 8. **External integrations:** Crossref and World Bank request availability, errors and CORS depend on live network conditions. The app has no secret API key support. |
| 9. **Synthetic data:** initial illustration contains entirely fictional research records; never describe them as published evidence. |
| 10. **Publication reliability:** a locally passing test suite does not guarantee the same behavior on every browser or that all research conclusions are valid. |
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