Triple
T9737252
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brewster train station |
E236093
|
entity |
| Predicate | hasSignage |
P5950
|
FINISHED |
| Object |
Metro-North standard signage
Metro-North standard signage is the uniform system of signs used across the Metro-North Railroad network to provide consistent wayfinding, station identification, and passenger information.
|
E817714
|
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: Metro-North standard signage | Statement: [Brewster train station, hasSignage, Metro-North standard signage]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro-North standard signage Context triple: [Brewster train station, hasSignage, Metro-North standard signage]
-
A.
MBTA standard signage
MBTA standard signage is the uniform system of wayfinding signs, symbols, and typography used across Boston’s public transit network to guide passengers and provide consistent information.
-
B.
MTA Graphics Standard signage
MTA Graphics Standard signage is the unified visual design system used across New York City’s subway and transit network, featuring consistent typography, colors, and symbols to guide passengers.
-
C.
Metro-North fare zones
Metro-North fare zones are the distance-based pricing regions used by the Metro-North Railroad to determine commuter rail ticket costs across its network.
-
D.
Fairfield Metro-North Railroad station
Fairfield Metro-North Railroad station is a commuter rail station on the New Haven Line serving passengers traveling between Fairfield, Connecticut, and destinations such as New York City and New Haven.
-
E.
Metro-North Railroad
Metro-North Railroad is a major commuter rail service operating in the New York metropolitan area, primarily connecting New York City with its northern suburbs in New York State and Connecticut.
- 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: Metro-North standard signage Triple: [Brewster train station, hasSignage, Metro-North standard signage]
Generated description
Metro-North standard signage is the uniform system of signs used across the Metro-North Railroad network to provide consistent wayfinding, station identification, and passenger information.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metro-North standard signage Target entity description: Metro-North standard signage is the uniform system of signs used across the Metro-North Railroad network to provide consistent wayfinding, station identification, and passenger information.
-
A.
MBTA standard signage
MBTA standard signage is the uniform system of wayfinding signs, symbols, and typography used across Boston’s public transit network to guide passengers and provide consistent information.
-
B.
MTA Graphics Standard signage
MTA Graphics Standard signage is the unified visual design system used across New York City’s subway and transit network, featuring consistent typography, colors, and symbols to guide passengers.
-
C.
Metro-North fare zones
Metro-North fare zones are the distance-based pricing regions used by the Metro-North Railroad to determine commuter rail ticket costs across its network.
-
D.
Fairfield Metro-North Railroad station
Fairfield Metro-North Railroad station is a commuter rail station on the New Haven Line serving passengers traveling between Fairfield, Connecticut, and destinations such as New York City and New Haven.
-
E.
Metro-North Railroad
Metro-North Railroad is a major commuter rail service operating in the New York metropolitan area, primarily connecting New York City with its northern suburbs in New York State and Connecticut.
- 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_69ca84d313e88190983ee6ffd0ef60d2 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9ef032088190acd94c35b89e48b7 |
completed | April 1, 2026, 10:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1afd74a308190ae1a618bab5f7841 |
completed | April 5, 2026, 12:41 a.m. |
| NEDg | Description generation | batch_69d1b0f7a68481909de080dd78f883a8 |
completed | April 5, 2026, 12:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d1b17bd97c8190b77815db5a6a70d9 |
completed | April 5, 2026, 12:49 a.m. |
Created at: March 30, 2026, 8:22 p.m.