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README.md

@@ -35,6 +35,18 @@ configs:
     data_files:
       - split: train
         path: data/unique_affiliations/*.parquet
+  - config_name: existing_assignments
+    data_files:
+      - split: train
+        path: data/existing_assignments/*.parquet
+  - config_name: existing_assignments_aggregated
+    data_files:
+      - split: train
+        path: data/existing_assignments_aggregated/*.parquet
+  - config_name: disagreements
+    data_files:
+      - split: train
+        path: data/disagreements/*.parquet
 ---
 
 # DataCite Affiliations Matched to ROR
@@ -46,19 +58,22 @@ This dataset contains author affiliation data extracted from DataCite metadata r
 - **Source:** [DataCite Public Data File](https://datacite.org/)
 - **ROR Version:** [v2.1-2026-01-15-ror-data](https://doi.org/10.5281/zenodo.18260365)
 - **Processing Tool:** [match-datacite-affiliations-to-ror-ids](https://github.com/cometadata/match-datacite-affiliations-to-ror-ids)
-- **Total Records:** 199,643,453
-- **Total Size:** 62.76 GB
+- **Total Records:** 294,704,394
+- **Total Size:** 69.40 GB
 - **Match Rate:** 52.78%
 
 ## Dataset Configurations
 
 | Configuration | Records | Size |
 |---------------|---------|------|
-| `doi_author_affiliations` | 158,351,335 | 30.54 GB |
-| `enriched_records` | 38,518,962 | 31.89 GB |
+| `doi_author_affiliations` | 158,351,335 | 36.01 GB |
+| `enriched_records` | 5,640,704 | 4.92 GB |
 | `ror_matches` | 731,798 | 134.62 MB |
 | `ror_matches_failed` | 654,780 | 91.80 MB |
 | `unique_affiliations` | 1,386,578 | 113.57 MB |
+| `existing_assignments` | 127,865,845 | 28.11 GB |
+| `existing_assignments_aggregated` | 58,760 | 11.01 MB |
+| `disagreements` | 14,594 | 4.94 MB |
 
 ## Configuration Details
 
@@ -107,6 +122,49 @@ List of all unique affiliation strings found in the dataset.
 **Schema:**
 - `affiliation` (string): Raw affiliation string
 
+### `existing_assignments`
+
+Pre-existing ROR assignments found in DataCite records. Each row represents one author-affiliation-ROR relationship that was already present in the source data.
+
+**Schema:**
+- `doi` (string): The DOI of the work
+- `author_idx` (int): Index of the author within the work
+- `author_name` (string): Name of the author
+- `affiliation` (string): Raw affiliation string
+- `ror_id` (string): Pre-existing ROR ID in the DataCite record
+- `ror_name` (string): Name of the ROR organization
+
+### `existing_assignments_aggregated`
+
+Aggregated view of pre-existing ROR assignments, grouped by affiliation string and ROR ID.
+
+**Schema:**
+- `affiliation` (string): Raw affiliation string
+- `affiliation_hash` (string): MD5 hash of the normalized affiliation string
+- `ror_id` (string): Pre-existing ROR ID
+- `ror_name` (string): Name of the ROR organization
+- `count` (int): Number of occurrences of this affiliation-ROR pair
+
+### `disagreements`
+
+Cases where the newly matched ROR ID differs from a pre-existing ROR assignment, or where multiple conflicting ROR IDs exist.
+
+**Schema (type="match"):**
+- `type` (string): "match" - disagreement between new match and existing assignment
+- `affiliation` (string): Raw affiliation string
+- `affiliation_hash` (string): MD5 hash of the normalized affiliation string
+- `existing_ror_id` (string): Pre-existing ROR ID in DataCite
+- `existing_ror_name` (string): Name of existing ROR organization
+- `existing_count` (int): Occurrences of this existing assignment
+- `matched_ror_id` (string): Newly matched ROR ID
+- `matched_ror_name` (string): Name of newly matched organization
+
+**Schema (type="user"):**
+- `type` (string): "user" - multiple conflicting user-submitted ROR IDs
+- `affiliation` (string): Raw affiliation string
+- `affiliation_hash` (string): MD5 hash of the normalized affiliation string
+- `ror_ids` (list): List of conflicting ROR assignments with counts
+
 ## Statistics
 
 ### Top 20 Most Common Matched ROR IDs
@@ -141,6 +199,39 @@ List of all unique affiliation strings found in the dataset.
 | No match found | 654,775 |
 | HTTP 414 URI Too Long | 5 |
 
+### Existing Assignment Coverage
+
+| Metric | Value |
+|--------|-------|
+| Total records with existing ROR assignments | 127,865,845 |
+| Unique affiliations with existing assignments | 57,016 |
+| Overlap with new matches | 49,538 |
+| Agreement rate | 70.54% |
+
+### Disagreement Analysis
+
+| Metric | Value |
+|--------|-------|
+| Total disagreements | 14,594 |
+| Disagreement rate | 29.46% |
+| Match-type disagreements | 13,318 |
+| User-type disagreements | 1,276 |
+
+### Top Disagreement Patterns
+
+| Existing ROR | Matched ROR | Count |
+|--------------|-------------|-------|
+| DataCite (https://ror.org/04wxnsj81) | Islamic Azad University, Tehran (https://ror.org/01kzn7k21) | 5,766 |
+| DataCite (https://ror.org/04wxnsj81) | Islamic Azad University, Isfahan (https://ror.org/039zhhm92) | 399 |
+| DataCite (https://ror.org/04wxnsj81) | University of Tehran (https://ror.org/05vf56z40) | 245 |
+| DataCite (https://ror.org/04wxnsj81) | Payame Noor University (https://ror.org/031699d98) | 154 |
+| DataCite (https://ror.org/04wxnsj81) | Islamic Azad University, Karaj (https://ror.org/01y4xm534) | 131 |
+| DataCite (https://ror.org/04wxnsj81) | Islamic Azad University, Yazd (https://ror.org/04mwvcn50) | 121 |
+| DataCite (https://ror.org/04wxnsj81) | Islamic Azad University, Mashhad (https://ror.org/00bvysh61) | 113 |
+| DataCite (https://ror.org/04wxnsj81) | University of Mohaghegh Ardabili (https://ror.org/045zrcm98) | 108 |
+| DataCite (https://ror.org/04wxnsj81) | Urmia University (https://ror.org/032fk0x53) | 93 |
+| DataCite (https://ror.org/04wxnsj81) | Tarbiat Modares University (https://ror.org/03mwgfy56) | 89 |
+
 ## Usage
 
 ```python