Triple
T11347689
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA commuter rail terminals |
E268761
|
entity |
| Predicate | hasTerminal |
P182
|
FINISHED |
| Object |
South Coast Rail terminals
South Coast Rail terminals are the planned Massachusetts Bay Transportation Authority commuter rail endpoints that will restore passenger rail service between Boston and the South Coast cities of New Bedford and Fall River.
|
E268761
|
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 Coast Rail terminals | Statement: [MBTA commuter rail terminals, hasTerminal, South Coast Rail terminals]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Coast Rail terminals Context triple: [MBTA commuter rail terminals, hasTerminal, South Coast Rail terminals]
-
A.
MBTA commuter rail terminals
MBTA commuter rail terminals are major passenger rail hubs in the Boston area that serve as endpoints and transfer points for regional trains connecting the city with its surrounding suburbs and communities.
-
B.
Taunton railway station
Taunton railway station is a major railway hub in Somerset, England, providing regional and long-distance services on the Great Western Main Line.
-
C.
Newport station
Newport station is a major PATH rapid transit stop in Jersey City, New Jersey, serving the Newport residential and commercial waterfront district with connections to Manhattan and other parts of the region.
-
D.
MBTA Commuter Rail at South Station
MBTA Commuter Rail at South Station is the regional rail service hub in downtown Boston that provides commuter train connections between the city and surrounding suburbs and cities across Massachusetts and neighboring states.
-
E.
MBTA Commuter Rail stations
MBTA Commuter Rail stations are passenger rail stops in the Greater Boston area that provide regional train service connecting outlying communities with Boston and other destinations on the Massachusetts Bay Transportation Authority network.
- 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 Coast Rail terminals Triple: [MBTA commuter rail terminals, hasTerminal, South Coast Rail terminals]
Generated description
South Coast Rail terminals are the planned Massachusetts Bay Transportation Authority commuter rail endpoints that will restore passenger rail service between Boston and the South Coast cities of New Bedford and Fall River.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: South Coast Rail terminals Target entity description: South Coast Rail terminals are the planned Massachusetts Bay Transportation Authority commuter rail endpoints that will restore passenger rail service between Boston and the South Coast cities of New Bedford and Fall River.
-
A.
MBTA commuter rail terminals
chosen
MBTA commuter rail terminals are major passenger rail hubs in the Boston area that serve as endpoints and transfer points for regional trains connecting the city with its surrounding suburbs and communities.
-
B.
Taunton railway station
Taunton railway station is a major railway hub in Somerset, England, providing regional and long-distance services on the Great Western Main Line.
-
C.
Newport station
Newport station is a major PATH rapid transit stop in Jersey City, New Jersey, serving the Newport residential and commercial waterfront district with connections to Manhattan and other parts of the region.
-
D.
MBTA Commuter Rail at South Station
MBTA Commuter Rail at South Station is the regional rail service hub in downtown Boston that provides commuter train connections between the city and surrounding suburbs and cities across Massachusetts and neighboring states.
-
E.
MBTA Commuter Rail stations
MBTA Commuter Rail stations are passenger rail stops in the Greater Boston area that provide regional train service connecting outlying communities with Boston and other destinations on the Massachusetts Bay Transportation Authority network.
- F. None of above.
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_69d6aacbe18081909e5fadb50082dd96 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7ea214bb88190bb66f7fd3ef73081 |
completed | April 9, 2026, 6:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5438d7b58819093cc1407fefe8ab5 |
completed | April 19, 2026, 9:05 p.m. |
| NEDg | Description generation | batch_69e548bb7be4819093aeeaf0c048033e |
completed | April 19, 2026, 9:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e54eeba4a88190af128a99c277853a |
completed | April 19, 2026, 9:53 p.m. |
Created at: April 8, 2026, 9:33 p.m.