Triple
T1127920
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Park Street |
E24761
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
Tremont Street subway
The Tremont Street subway is the historic underground streetcar tunnel in downtown Boston that forms part of the MBTA Green Line and is recognized as the oldest subway tunnel in North America.
|
E163466
|
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: Tremont Street subway | Statement: [Park Street, partOf, Tremont Street subway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tremont Street subway Context triple: [Park Street, partOf, Tremont Street subway]
-
A.
Dyckman Street (A line)
Dyckman Street (A line) is a New York City Subway station on the IND Eighth Avenue Line serving the A train in the Inwood neighborhood of Upper Manhattan.
-
B.
Fulton Street (IND Eighth Avenue Line)
Fulton Street (IND Eighth Avenue Line) is a New York City Subway station in Lower Manhattan served by the A and C trains as part of the larger Fulton Street transit complex.
-
C.
Fulton Street (IRT Broadway–Seventh Avenue Line)
Fulton Street (IRT Broadway–Seventh Avenue Line) is a New York City Subway station in Lower Manhattan serving the 2 and 3 trains as part of the larger Fulton Street transit complex.
-
D.
Fulton Street (BMT Nassau Street Line)
Fulton Street (BMT Nassau Street Line) is a New York City Subway station in Lower Manhattan serving the J and Z trains as part of the larger Fulton Street transit complex.
-
E.
59th Street–Lexington Avenue
59th Street–Lexington Avenue is a major New York City Subway complex in Midtown Manhattan that serves multiple lines and provides a key transfer point between the Upper East Side and other parts of the city.
- 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: Tremont Street subway Triple: [Park Street, partOf, Tremont Street subway]
Generated description
The Tremont Street subway is the historic underground streetcar tunnel in downtown Boston that forms part of the MBTA Green Line and is recognized as the oldest subway tunnel in North America.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tremont Street subway Target entity description: The Tremont Street subway is the historic underground streetcar tunnel in downtown Boston that forms part of the MBTA Green Line and is recognized as the oldest subway tunnel in North America.
-
A.
Dyckman Street (A line)
Dyckman Street (A line) is a New York City Subway station on the IND Eighth Avenue Line serving the A train in the Inwood neighborhood of Upper Manhattan.
-
B.
Fulton Street (IND Eighth Avenue Line)
Fulton Street (IND Eighth Avenue Line) is a New York City Subway station in Lower Manhattan served by the A and C trains as part of the larger Fulton Street transit complex.
-
C.
Fulton Street (IRT Broadway–Seventh Avenue Line)
Fulton Street (IRT Broadway–Seventh Avenue Line) is a New York City Subway station in Lower Manhattan serving the 2 and 3 trains as part of the larger Fulton Street transit complex.
-
D.
Fulton Street (BMT Nassau Street Line)
Fulton Street (BMT Nassau Street Line) is a New York City Subway station in Lower Manhattan serving the J and Z trains as part of the larger Fulton Street transit complex.
-
E.
59th Street–Lexington Avenue
59th Street–Lexington Avenue is a major New York City Subway complex in Midtown Manhattan that serves multiple lines and provides a key transfer point between the Upper East Side and other parts of the city.
- 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_69a4940712c88190aa244f3fc6070a65 |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bbdd39b88190bf46de38818fe2df |
completed | March 1, 2026, 10:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad0142faf081908cf82f2b73490947 |
completed | March 8, 2026, 4:55 a.m. |
| NEDg | Description generation | batch_69ad020222708190a4b383a54418251a |
completed | March 8, 2026, 4:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad02a0c0ac8190b01cf36b76c702f0 |
completed | March 8, 2026, 5:01 a.m. |
Created at: March 1, 2026, 7:44 p.m.