Triple
T1049501
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arriva UK Trains |
E22661
|
entity |
| Predicate | operatesBrand |
P6092
|
FINISHED |
| Object |
Grand Central
Grand Central is a British open-access train operating company providing long-distance passenger rail services between London and the North of England.
|
E119080
|
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: Grand Central | Statement: [Arriva UK Trains, operatesBrand, Grand Central]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grand Central Context triple: [Arriva UK Trains, operatesBrand, Grand Central]
-
A.
Grand Central Terminal
Grand Central Terminal is a historic Beaux-Arts railway station and iconic transportation hub in Midtown Manhattan, renowned for its grand architecture and celestial main concourse ceiling.
-
B.
Millennium Station
Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
-
C.
Concourse A Station
Concourse A Station is an AeroTrain people-mover stop serving passengers traveling to and from Concourse A at Washington Dulles International Airport.
-
D.
Suburban Station
Suburban Station is a major underground commuter rail hub in Center City Philadelphia that serves as a key node in the SEPTA Regional Rail network.
-
E.
Fulton Center
Fulton Center is a major transit and retail hub in Lower Manhattan that integrates several New York City Subway lines into a single, modern complex.
- 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: Grand Central Triple: [Arriva UK Trains, operatesBrand, Grand Central]
Generated description
Grand Central is a British open-access train operating company providing long-distance passenger rail services between London and the North of England.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Grand Central Target entity description: Grand Central is a British open-access train operating company providing long-distance passenger rail services between London and the North of England.
-
A.
Grand Central Terminal
Grand Central Terminal is a historic Beaux-Arts railway station and iconic transportation hub in Midtown Manhattan, renowned for its grand architecture and celestial main concourse ceiling.
-
B.
Millennium Station
Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
-
C.
Concourse A Station
Concourse A Station is an AeroTrain people-mover stop serving passengers traveling to and from Concourse A at Washington Dulles International Airport.
-
D.
Suburban Station
Suburban Station is a major underground commuter rail hub in Center City Philadelphia that serves as a key node in the SEPTA Regional Rail network.
-
E.
Fulton Center
Fulton Center is a major transit and retail hub in Lower Manhattan that integrates several New York City Subway lines into a single, modern complex.
- 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_69a493da02e081908c13ff5e02a0fe7a |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4bb7320f88190a8428946541df157 |
completed | March 1, 2026, 10:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac3bcd3a4481908f7d9f13e3697fa9 |
completed | March 7, 2026, 2:53 p.m. |
| NEDg | Description generation | batch_69ac3c42c2c081909ccadbf944d3aa6c |
completed | March 7, 2026, 2:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac3cbea1708190a16951194f13ed5e |
completed | March 7, 2026, 2:57 p.m. |
Created at: March 1, 2026, 7:42 p.m.