Triple
T2874082
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chestnut Hill station (MBTA Green Line D) |
E56833
|
entity |
| Predicate | isOnCorridor |
P1018
|
FINISHED |
| Object |
Highland Branch (Green Line D)
Highland Branch (Green Line D) is a light rail branch of Boston's MBTA Green Line that runs through the western suburbs, including Newton and Brookline, providing rapid transit service between these communities and downtown Boston.
|
E305741
|
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: Highland Branch (Green Line D) | Statement: [Chestnut Hill station (MBTA Green Line D), isOnCorridor, Highland Branch (Green Line D)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Highland Branch (Green Line D) Context triple: [Chestnut Hill station (MBTA Green Line D), isOnCorridor, Highland Branch (Green Line D)]
-
A.
Gladstone Branch
The Gladstone Branch is a commuter rail line in New Jersey that provides service between Gladstone and Hoboken/New York as part of NJ Transit's Morris & Essex Lines network.
-
B.
Archer Avenue Line
The Archer Avenue Line is a New York City Subway line in Queens that serves as a southeastern extension of the IND/BMT system, providing service to Jamaica Center and surrounding neighborhoods.
-
C.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
D.
Heritage Corridor line
The Heritage Corridor line is a Metra commuter rail service in the Chicago area that runs southwest from downtown Chicago to Joliet, primarily following the historic Illinois & Michigan Canal corridor.
-
E.
North Side Main Line
The North Side Main Line was a historic elevated rapid transit route in Chicago that formed a key part of the early "L" system and later evolved into segments of today’s Red Line.
- 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: Highland Branch (Green Line D) Triple: [Chestnut Hill station (MBTA Green Line D), isOnCorridor, Highland Branch (Green Line D)]
Generated description
Highland Branch (Green Line D) is a light rail branch of Boston's MBTA Green Line that runs through the western suburbs, including Newton and Brookline, providing rapid transit service between these communities and downtown Boston.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Highland Branch (Green Line D) Target entity description: Highland Branch (Green Line D) is a light rail branch of Boston's MBTA Green Line that runs through the western suburbs, including Newton and Brookline, providing rapid transit service between these communities and downtown Boston.
-
A.
Gladstone Branch
The Gladstone Branch is a commuter rail line in New Jersey that provides service between Gladstone and Hoboken/New York as part of NJ Transit's Morris & Essex Lines network.
-
B.
Archer Avenue Line
The Archer Avenue Line is a New York City Subway line in Queens that serves as a southeastern extension of the IND/BMT system, providing service to Jamaica Center and surrounding neighborhoods.
-
C.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
D.
Heritage Corridor line
The Heritage Corridor line is a Metra commuter rail service in the Chicago area that runs southwest from downtown Chicago to Joliet, primarily following the historic Illinois & Michigan Canal corridor.
-
E.
North Side Main Line
The North Side Main Line was a historic elevated rapid transit route in Chicago that formed a key part of the early "L" system and later evolved into segments of today’s Red Line.
- 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_69ab4a4ced288190ab6d3e062d10f7f6 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abe0032ddc8190bb4d15ec7e3c63e8 |
completed | March 7, 2026, 8:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b01db780908190919d859205464b2e |
completed | March 10, 2026, 1:33 p.m. |
| NEDg | Description generation | batch_69b0201470cc81909188573c3749dffb |
completed | March 10, 2026, 1:43 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b020aa00888190a683a621f1e1a107 |
completed | March 10, 2026, 1:46 p.m. |
Created at: March 6, 2026, 10:03 p.m.