Triple
T1933218
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Acton, Massachusetts |
E40991
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object |
South Acton station
South Acton station is a commuter rail stop in Acton, Massachusetts, serving as a key station on the MBTA Fitchburg Line connecting the town to Boston and surrounding areas.
|
E216299
|
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: South Acton station | Statement: [Acton, Massachusetts, hasRailStation, South Acton station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Acton station Context triple: [Acton, Massachusetts, hasRailStation, South Acton station]
-
A.
Tottenham Hale station
Tottenham Hale station is a major transport hub in North London, served by both National Rail and London Underground services, providing key connections between central London, Stansted Airport, and surrounding areas.
-
B.
Clarendon station
Clarendon station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Clarendon neighborhood on the Orange Line.
-
C.
Syon Lane railway station
Syon Lane railway station is a suburban rail stop in the London Borough of Hounslow serving the Syon Lane area with services on the Hounslow Loop Line.
-
D.
Northumberland Park station
Northumberland Park station is a railway station in North London that serves the Tottenham area and provides convenient access for fans traveling to Tottenham Hotspur Stadium.
-
E.
Tower Hill station
Tower Hill station is a London Underground station in central London serving the Circle and District lines near the Tower of London.
- 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: South Acton station Triple: [Acton, Massachusetts, hasRailStation, South Acton station]
Generated description
South Acton station is a commuter rail stop in Acton, Massachusetts, serving as a key station on the MBTA Fitchburg Line connecting the town to Boston and surrounding areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: South Acton station Target entity description: South Acton station is a commuter rail stop in Acton, Massachusetts, serving as a key station on the MBTA Fitchburg Line connecting the town to Boston and surrounding areas.
-
A.
Tottenham Hale station
Tottenham Hale station is a major transport hub in North London, served by both National Rail and London Underground services, providing key connections between central London, Stansted Airport, and surrounding areas.
-
B.
Clarendon station
Clarendon station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Clarendon neighborhood on the Orange Line.
-
C.
Syon Lane railway station
Syon Lane railway station is a suburban rail stop in the London Borough of Hounslow serving the Syon Lane area with services on the Hounslow Loop Line.
-
D.
Northumberland Park station
Northumberland Park station is a railway station in North London that serves the Tottenham area and provides convenient access for fans traveling to Tottenham Hotspur Stadium.
-
E.
Tower Hill station
Tower Hill station is a London Underground station in central London serving the Circle and District lines near the Tower of London.
- 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_69a8864711648190b07bed24ed76258e |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb299f3c48190a5021d320ded4405 |
completed | March 7, 2026, 5:07 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adf3f16d0c8190967862b68e6cc373 |
completed | March 8, 2026, 10:10 p.m. |
| NEDg | Description generation | batch_69adf484b6788190a678a05a52da7eda |
completed | March 8, 2026, 10:13 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adf4f8f3c481909efcb6d632522e1a |
completed | March 8, 2026, 10:15 p.m. |
Created at: March 4, 2026, 7:35 p.m.