Triple
T8983199
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Swampscott, Massachusetts, United States |
E214585
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Swampscott Railroad Depot
Swampscott Railroad Depot is a historic former train station in Swampscott, Massachusetts, noted for its 19th-century architecture and role in the town’s rail transportation history.
|
E771776
|
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: Swampscott Railroad Depot | Statement: [Swampscott, Massachusetts, United States, hasLandmark, Swampscott Railroad Depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Swampscott Railroad Depot Context triple: [Swampscott, Massachusetts, United States, hasLandmark, Swampscott Railroad Depot]
-
A.
Burlington Historic Depot
Burlington Historic Depot is a restored historic train station in downtown Burlington, North Carolina, that now serves as a landmark community and event space reflecting the city’s railroad heritage.
-
B.
Watertown Yard
Watertown Yard is a Massachusetts Bay Transportation Authority bus facility and former streetcar yard in Watertown, Massachusetts, serving as a key layover and terminal point for several bus routes.
-
C.
Lowell station
Lowell station is a passenger rail station in Lowell, Massachusetts that serves as the northern terminus of the MBTA Commuter Rail’s Lowell Line.
-
D.
Newburyport station
Newburyport station is a Massachusetts Bay Transportation Authority commuter rail station in Newburyport, Massachusetts, serving as the northern endpoint of the Newburyport/Rockport Line.
-
E.
Riverside Depot
Riverside Depot is a retail shop located on Discovery Island in Disney's Animal Kingdom, offering themed merchandise and souvenirs to park guests.
- 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: Swampscott Railroad Depot Triple: [Swampscott, Massachusetts, United States, hasLandmark, Swampscott Railroad Depot]
Generated description
Swampscott Railroad Depot is a historic former train station in Swampscott, Massachusetts, noted for its 19th-century architecture and role in the town’s rail transportation history.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Swampscott Railroad Depot Target entity description: Swampscott Railroad Depot is a historic former train station in Swampscott, Massachusetts, noted for its 19th-century architecture and role in the town’s rail transportation history.
-
A.
Burlington Historic Depot
Burlington Historic Depot is a restored historic train station in downtown Burlington, North Carolina, that now serves as a landmark community and event space reflecting the city’s railroad heritage.
-
B.
Watertown Yard
Watertown Yard is a Massachusetts Bay Transportation Authority bus facility and former streetcar yard in Watertown, Massachusetts, serving as a key layover and terminal point for several bus routes.
-
C.
Lowell station
Lowell station is a passenger rail station in Lowell, Massachusetts that serves as the northern terminus of the MBTA Commuter Rail’s Lowell Line.
-
D.
Newburyport station
Newburyport station is a Massachusetts Bay Transportation Authority commuter rail station in Newburyport, Massachusetts, serving as the northern endpoint of the Newburyport/Rockport Line.
-
E.
Riverside Depot
Riverside Depot is a retail shop located on Discovery Island in Disney's Animal Kingdom, offering themed merchandise and souvenirs to park guests.
- 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_69ca839f76bc8190a4b7123cdd682199 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc67eb3cfc8190900a8253cc44621c |
completed | April 1, 2026, 12:33 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfd0b3ce0c81908a7b4297e0867cc9 |
completed | April 3, 2026, 2:37 p.m. |
| NEDg | Description generation | batch_69cfd1b4a80c8190be50b67698f56c28 |
completed | April 3, 2026, 2:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfd2c99f1c8190b82fd98f5d3243d3 |
completed | April 3, 2026, 2:46 p.m. |
Created at: March 30, 2026, 7:03 p.m.