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README.md

@@ -1,5 +1,5 @@
 ---
-license: other
+license: cc-by-4.0
 tags:
 - concept-bottleneck-models
 - phishing-detection
@@ -20,6 +20,24 @@ Neutral, Reply, Open attachment), and the task label (`label`: 0=Phishing,
 used for the concept-bottleneck user study (same split `train_concept_extractor2.ipynb`
 evaluates against).
 
-**Note:** `Sender`/`Body` contain real sender addresses and email content
-pulled from public mailing-list archives and phishing-sample datasets --
-published private for this reason.
+## Source dataset and attribution
+
+The emails themselves are **not ours**. They come from the
+**PhishingSpamDataSet** of Toth, Bisztray and Dubniczky, released under
+CC-BY-4.0 and redistributed here under that licence:
+
+> Rebeka Toth, Tamas Bisztray, Richard A. Dubniczky.
+> *Constructing and Benchmarking: a Labeled Email Dataset for Text-Based
+> Phishing and Spam Detection Framework.*
+> [arXiv:2511.21448](https://arxiv.org/abs/2511.21448) |
+> [github.com/DataPhish/PhishingSpamDataSet](https://github.com/DataPhish/PhishingSpamDataSet)
+
+Theirs: `Subject`, `Body`, `Sender`, `URL(s)`, `Type`, `Created by`, `Source`,
+`Year`, and the `LLM detected emotion` / `LLM detected motivation`
+annotations. Ours: the filtering and split, the embeddings, the 6-concept
+merge, and the trained models' outputs.
+
+Please cite Toth et al. alongside our paper if you use this data.
+
+**Note:** `Sender` and `Body` are real email content carried over from the
+source dataset.