Triple
T7126158
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Green Line B branch |
E166066
|
entity |
| Predicate | hasStop |
P17789
|
FINISHED |
| Object |
South Street station
South Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston–Brighton neighborhood.
|
E652798
|
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 Street station | Statement: [MBTA Green Line B branch, hasStop, South Street station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Street station Context triple: [MBTA Green Line B branch, hasStop, South Street station]
-
A.
Fairmount station
Fairmount station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Boston’s Hyde Park neighborhood on the Fairmount Line.
-
B.
Franklin Avenue Station
Franklin Avenue Station is a light rail stop on the METRO Blue Line in Minneapolis, Minnesota, serving the surrounding residential and commercial neighborhoods.
-
C.
Pennsylvania Station
Pennsylvania Station is a major transportation hub in Midtown Manhattan, New York City, serving as one of the busiest rail stations in the United States for Amtrak, commuter rail, and subway lines.
-
D.
Walnut Street station
Walnut Street station is a New Jersey Transit commuter rail stop in Montclair, New Jersey, serving passengers on the Montclair-Boonton Line.
-
E.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
- 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 Street station Triple: [MBTA Green Line B branch, hasStop, South Street station]
Generated description
South Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston–Brighton neighborhood.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: South Street station Target entity description: South Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston–Brighton neighborhood.
-
A.
Fairmount station
Fairmount station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Boston’s Hyde Park neighborhood on the Fairmount Line.
-
B.
Franklin Avenue Station
Franklin Avenue Station is a light rail stop on the METRO Blue Line in Minneapolis, Minnesota, serving the surrounding residential and commercial neighborhoods.
-
C.
Pennsylvania Station
Pennsylvania Station is a major transportation hub in Midtown Manhattan, New York City, serving as one of the busiest rail stations in the United States for Amtrak, commuter rail, and subway lines.
-
D.
Walnut Street station
Walnut Street station is a New Jersey Transit commuter rail stop in Montclair, New Jersey, serving passengers on the Montclair-Boonton Line.
-
E.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
- 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_69c6888350588190870cd552b427a1cd |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e64d99888190a93c1822e19b5457 |
completed | March 27, 2026, 8:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7daff33bc8190825078d791ff0b3a |
completed | March 28, 2026, 1:43 p.m. |
| NEDg | Description generation | batch_69c7db989e548190b6f41e62b17a63cb |
completed | March 28, 2026, 1:46 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c7dc06d7808190906b7f710e7d9843 |
completed | March 28, 2026, 1:47 p.m. |
Created at: March 27, 2026, 2:44 p.m.