Triple
T731720
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro B Line |
E14844
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Vermont/Beverly station
Vermont/Beverly station is an underground rapid transit stop on Los Angeles Metro's B Line serving the Koreatown area.
|
E140157
|
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: Vermont/Beverly station | Statement: [Metro B Line, hasStation, Vermont/Beverly station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Vermont/Beverly station Context triple: [Metro B Line, hasStation, Vermont/Beverly station]
-
A.
Vermont/Sunset station
Vermont/Sunset station is an underground Los Angeles Metro Rail station in East Hollywood serving the B Line.
-
B.
Andover station
Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
-
C.
Porter station
Porter station is a major MBTA transit hub in Cambridge, Massachusetts, serving both Red Line subway and commuter rail trains beneath Porter Square.
-
D.
Newton Highlands station
Newton Highlands station is a light rail stop on the Massachusetts Bay Transportation Authority's Green Line D branch located in the Newton Highlands neighborhood of Newton, Massachusetts.
-
E.
Braintree station
Braintree station is a Massachusetts Bay Transportation Authority (MBTA) rapid transit and commuter rail station in Braintree, Massachusetts, serving as a major park-and-ride hub on Boston’s South Shore.
- 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: Vermont/Beverly station Triple: [Metro B Line, hasStation, Vermont/Beverly station]
Generated description
Vermont/Beverly station is an underground rapid transit stop on Los Angeles Metro's B Line serving the Koreatown area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Vermont/Beverly station Target entity description: Vermont/Beverly station is an underground rapid transit stop on Los Angeles Metro's B Line serving the Koreatown area.
-
A.
Vermont/Sunset station
Vermont/Sunset station is an underground Los Angeles Metro Rail station in East Hollywood serving the B Line.
-
B.
Andover station
Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
-
C.
Porter station
Porter station is a major MBTA transit hub in Cambridge, Massachusetts, serving both Red Line subway and commuter rail trains beneath Porter Square.
-
D.
Newton Highlands station
Newton Highlands station is a light rail stop on the Massachusetts Bay Transportation Authority's Green Line D branch located in the Newton Highlands neighborhood of Newton, Massachusetts.
-
E.
Braintree station
Braintree station is a Massachusetts Bay Transportation Authority (MBTA) rapid transit and commuter rail station in Braintree, Massachusetts, serving as a major park-and-ride hub on Boston’s South Shore.
- 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_69a4934d9930819099eed80096b0597d |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a5c40b6481909db9efd7310850b3 |
completed | March 1, 2026, 8:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac82e8bd788190a20a580bae9bd94e |
completed | March 7, 2026, 7:56 p.m. |
| NEDg | Description generation | batch_69ac870e762881909b8fb892a1f0c338 |
completed | March 7, 2026, 8:14 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac8761ff0481908eeabcc1b10d7492 |
completed | March 7, 2026, 8:15 p.m. |
Created at: March 1, 2026, 7:37 p.m.