Triple
T8997139
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Greenfield, Massachusetts |
E214944
|
entity |
| Predicate | hasTransportationFacility |
P2413
|
FINISHED |
| Object |
Greenfield station
Greenfield station is a passenger rail and bus transportation hub serving the city of Greenfield in northwestern Massachusetts.
|
E772852
|
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: Greenfield station | Statement: [Greenfield, Massachusetts, hasTransportationFacility, Greenfield station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greenfield station Context triple: [Greenfield, Massachusetts, hasTransportationFacility, Greenfield station]
-
A.
Westwood station
Westwood station is a New Jersey Transit commuter rail stop in Westwood, New Jersey, serving passengers on the Pascack Valley Line.
-
B.
Meadowbrook station
Meadowbrook station is a light rail stop on Utah's TRAX system serving the Salt Lake Valley with commuter transit connections.
-
C.
Greenvale station
Greenvale station is a Long Island Rail Road stop on the Oyster Bay Branch serving the hamlet of Greenvale in Nassau County, New York.
-
D.
Bridgewater station
Bridgewater station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop in Bridgewater, Massachusetts, serving the Middleborough/Lakeville Line.
-
E.
Edgewood station
Edgewood station is a commuter rail stop in Edgewood, Maryland, served by MARC’s Penn Line between Baltimore and Perryville.
- 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: Greenfield station Triple: [Greenfield, Massachusetts, hasTransportationFacility, Greenfield station]
Generated description
Greenfield station is a passenger rail and bus transportation hub serving the city of Greenfield in northwestern Massachusetts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Greenfield station Target entity description: Greenfield station is a passenger rail and bus transportation hub serving the city of Greenfield in northwestern Massachusetts.
-
A.
Westwood station
Westwood station is a New Jersey Transit commuter rail stop in Westwood, New Jersey, serving passengers on the Pascack Valley Line.
-
B.
Meadowbrook station
Meadowbrook station is a light rail stop on Utah's TRAX system serving the Salt Lake Valley with commuter transit connections.
-
C.
Greenvale station
Greenvale station is a Long Island Rail Road stop on the Oyster Bay Branch serving the hamlet of Greenvale in Nassau County, New York.
-
D.
Bridgewater station
Bridgewater station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop in Bridgewater, Massachusetts, serving the Middleborough/Lakeville Line.
-
E.
Edgewood station
Edgewood station is a commuter rail stop in Edgewood, Maryland, served by MARC’s Penn Line between Baltimore and Perryville.
- 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_69ca83a05c608190bdfdbdb25e994b39 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc68e0d3588190bdab0e2b86b09228 |
completed | April 1, 2026, 12:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfdb9531748190bd710e0b386b2cbe |
completed | April 3, 2026, 3:24 p.m. |
| NEDg | Description generation | batch_69cfdc48f22081909f17ec4c5542da47 |
completed | April 3, 2026, 3:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfdcecebe48190a2ede4c8400b3b42 |
completed | April 3, 2026, 3:29 p.m. |
Created at: March 30, 2026, 7:05 p.m.