Triple
T11324004
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Riverdale Park Historic District |
E268162
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Riversdale Mansion
Riversdale Mansion is a historic Federal-style plantation house in Riverdale Park, Maryland, noted for its early 19th-century architecture and role in the region’s social and agricultural history.
|
E919192
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Riversdale Mansion | Statement: [Riverdale Park Historic District, hasLandmark, Riversdale Mansion]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Riversdale Mansion Context triple: [Riverdale Park Historic District, hasLandmark, Riversdale Mansion]
-
A.
Litchfield Villa
Litchfield Villa is a historic 19th-century Italianate mansion in Brooklyn, New York, best known as the former residence of the Litchfield family and now a landmark building within Prospect Park.
-
B.
Blake House
Blake House is a historic residence and notable landmark located in the City of Fairfax, Virginia.
-
C.
Morven Park Mansion
Morven Park Mansion is a historic estate house in Leesburg, Virginia, best known as the former residence of Virginia Governor Westmoreland Davis and a prominent example of 19th-century architecture and preservation.
-
D.
Ellwood Manor
Ellwood Manor is a historic plantation house in Virginia that served as a significant Civil War headquarters and is now preserved within Fredericksburg and Spotsylvania National Military Park.
-
E.
Rosalie Mansion
Rosalie Mansion is a historic antebellum house and museum in Natchez, Mississippi, noted for its well-preserved architecture and role in Civil War history.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Riversdale Mansion Triple: [Riverdale Park Historic District, hasLandmark, Riversdale Mansion]
Generated description
Riversdale Mansion is a historic Federal-style plantation house in Riverdale Park, Maryland, noted for its early 19th-century architecture and role in the region’s social and agricultural history.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Riversdale Mansion Target entity description: Riversdale Mansion is a historic Federal-style plantation house in Riverdale Park, Maryland, noted for its early 19th-century architecture and role in the region’s social and agricultural history.
-
A.
Litchfield Villa
Litchfield Villa is a historic 19th-century Italianate mansion in Brooklyn, New York, best known as the former residence of the Litchfield family and now a landmark building within Prospect Park.
-
B.
Blake House
Blake House is a historic residence and notable landmark located in the City of Fairfax, Virginia.
-
C.
Morven Park Mansion
Morven Park Mansion is a historic estate house in Leesburg, Virginia, best known as the former residence of Virginia Governor Westmoreland Davis and a prominent example of 19th-century architecture and preservation.
-
D.
Ellwood Manor
Ellwood Manor is a historic plantation house in Virginia that served as a significant Civil War headquarters and is now preserved within Fredericksburg and Spotsylvania National Military Park.
-
E.
Rosalie Mansion
Rosalie Mansion is a historic antebellum house and museum in Natchez, Mississippi, noted for its well-preserved architecture and role in Civil War history.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d6aaca5c24819083db46a30d86cb34 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e9e122e48190b3f890de8d561480 |
completed | April 9, 2026, 6:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e525fb8d74819089d1505d1f0f116c |
completed | April 19, 2026, 6:59 p.m. |
| NEDg | Description generation | batch_69e52c82b6108190aec9b6e9d726f803 |
completed | April 19, 2026, 7:26 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e531c2a4b88190bb1efd57536bae9a |
completed | April 19, 2026, 7:49 p.m. |
Created at: April 8, 2026, 9:32 p.m.