Triple
T1153435
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Salem, Massachusetts |
E23727
|
entity |
| Predicate | transportHub |
P726
|
FINISHED |
| Object |
Salem station (MBTA)
Salem station (MBTA) is a commuter rail station on the Newburyport/Rockport Line serving the city of Salem, Massachusetts, and connecting it to downtown Boston and other North Shore communities.
|
E154515
|
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: Salem station (MBTA) | Statement: [Salem, Massachusetts, transportHub, Salem station (MBTA)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Salem station (MBTA) Context triple: [Salem, Massachusetts, transportHub, Salem station (MBTA)]
-
A.
Wellington Station (MBTA)
Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
-
B.
MBTA Silver Hill station
MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
-
C.
MBTA Waverley
MBTA Waverley is a commuter rail station in Belmont, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Fitchburg Line.
-
D.
Revere Beach MBTA station
Revere Beach MBTA station is a rapid transit stop on Boston’s Blue Line serving the Revere Beach area in Revere, Massachusetts.
-
E.
Boylston station
Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green 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: Salem station (MBTA) Triple: [Salem, Massachusetts, transportHub, Salem station (MBTA)]
Generated description
Salem station (MBTA) is a commuter rail station on the Newburyport/Rockport Line serving the city of Salem, Massachusetts, and connecting it to downtown Boston and other North Shore communities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Salem station (MBTA) Target entity description: Salem station (MBTA) is a commuter rail station on the Newburyport/Rockport Line serving the city of Salem, Massachusetts, and connecting it to downtown Boston and other North Shore communities.
-
A.
Wellington Station (MBTA)
Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
-
B.
MBTA Silver Hill station
MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
-
C.
MBTA Waverley
MBTA Waverley is a commuter rail station in Belmont, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Fitchburg Line.
-
D.
Revere Beach MBTA station
Revere Beach MBTA station is a rapid transit stop on Boston’s Blue Line serving the Revere Beach area in Revere, Massachusetts.
-
E.
Boylston station
Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green 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_69a493f0d32c8190ac74bad3c87f2641 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4bc8e9cb481908a528a828b21d497 |
completed | March 1, 2026, 10:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acc61497948190891228f1a623668e |
completed | March 8, 2026, 12:43 a.m. |
| NEDg | Description generation | batch_69acc7fd0e2081908a75d58c68c51e28 |
completed | March 8, 2026, 12:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69acc8c9b03c819093ba0cd4deb2aa48 |
completed | March 8, 2026, 12:54 a.m. |
Created at: March 1, 2026, 7:44 p.m.