Triple
T8572739
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sullivan Square |
E202966
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Sullivan Square MBTA busway
Sullivan Square MBTA busway is a major bus transfer facility in Boston’s Sullivan Square area that connects numerous MBTA bus routes with the adjacent Orange Line subway station.
|
E742505
|
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: Sullivan Square MBTA busway | Statement: [Sullivan Square, hasLandmark, Sullivan Square MBTA busway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sullivan Square MBTA busway Context triple: [Sullivan Square, hasLandmark, Sullivan Square MBTA busway]
-
A.
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.
-
B.
Rose Kennedy Greenway
The Rose Kennedy Greenway is a contemporary linear park in downtown Boston featuring gardens, public art, and community events along the former elevated highway corridor.
-
C.
Park Street MBTA station
Park Street MBTA station is a major downtown Boston subway hub on the MBTA’s Green and Red Lines, located at the eastern edge of Boston Common.
-
D.
Porter Square MBTA Red Line station
Porter Square MBTA Red Line station is an underground rapid transit and commuter rail hub in Cambridge, Massachusetts, serving the MBTA Red Line and Fitchburg Line with access to the surrounding Porter Square commercial district.
-
E.
Union Square, Allston
Union Square in Allston is a busy commercial and transit hub in Boston’s Allston neighborhood, known for its shops, restaurants, and frequent bus connections.
- 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: Sullivan Square MBTA busway Triple: [Sullivan Square, hasLandmark, Sullivan Square MBTA busway]
Generated description
Sullivan Square MBTA busway is a major bus transfer facility in Boston’s Sullivan Square area that connects numerous MBTA bus routes with the adjacent Orange Line subway station.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sullivan Square MBTA busway Target entity description: Sullivan Square MBTA busway is a major bus transfer facility in Boston’s Sullivan Square area that connects numerous MBTA bus routes with the adjacent Orange Line subway station.
-
A.
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.
-
B.
Rose Kennedy Greenway
The Rose Kennedy Greenway is a contemporary linear park in downtown Boston featuring gardens, public art, and community events along the former elevated highway corridor.
-
C.
Park Street MBTA station
Park Street MBTA station is a major downtown Boston subway hub on the MBTA’s Green and Red Lines, located at the eastern edge of Boston Common.
-
D.
Porter Square MBTA Red Line station
Porter Square MBTA Red Line station is an underground rapid transit and commuter rail hub in Cambridge, Massachusetts, serving the MBTA Red Line and Fitchburg Line with access to the surrounding Porter Square commercial district.
-
E.
Union Square, Allston
Union Square in Allston is a busy commercial and transit hub in Boston’s Allston neighborhood, known for its shops, restaurants, and frequent bus connections.
- 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_69ca8327b0a881908606ff860713964d |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbea43843c8190ac2224d427bb7a75 |
completed | March 31, 2026, 3:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce898cf8648190b52758b6ecf2959b |
completed | April 2, 2026, 3:21 p.m. |
| NEDg | Description generation | batch_69ce8a9df47c81909ba9ef8dff1db7b1 |
completed | April 2, 2026, 3:26 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce8b48841c8190bcf11aeb25355649 |
completed | April 2, 2026, 3:29 p.m. |
Created at: March 30, 2026, 6:21 p.m.