Triple
T3779582
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Symphony station |
E83387
|
entity |
| Predicate | tunnelSection |
P3120
|
FINISHED |
| Object | Huntington Avenue subway |
E188901
|
NE FINISHED |
How this triple was built (2 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: Huntington Avenue subway | Statement: [Symphony station, tunnelSection, Huntington Avenue subway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Huntington Avenue subway Context triple: [Symphony station, tunnelSection, Huntington Avenue subway]
-
A.
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.
-
B.
Archer Avenue Subway
The Archer Avenue Subway is a New York City Subway extension in Queens that opened in the late 1980s to replace portions of the demolished elevated Jamaica Line and improve transit access to the Jamaica Center area.
-
C.
Huntington Avenue
chosen
Huntington Avenue is a major thoroughfare in Boston, Massachusetts, known for running through cultural, educational, and medical districts and serving as a key corridor for public transit.
-
D.
South Boston Transitway
The South Boston Transitway is an underground bus rapid transit tunnel in Boston that carries MBTA Silver Line routes between South Station and the Seaport District.
-
E.
MBTA Ashmont Branch
The MBTA Ashmont Branch is a rapid transit line of Boston’s Red Line that runs from JFK/UMass station through Dorchester to Ashmont, serving several southern neighborhoods of the city.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ad8b235e608190b5a2b1d1bfcef50b |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69adcc7948848190adc96b0513bd5c97 |
completed | March 8, 2026, 7:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4f040676c8190aa3a7952a9d6f62b |
completed | March 14, 2026, 5:21 a.m. |
Created at: March 8, 2026, 3:36 p.m.