Triple
T16900500
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ifield railway station |
E424420
|
entity |
| Predicate | hasOperatorHistory |
P28596
|
FINISHED |
| Object |
Connex South Central (historical)
Connex South Central was a former British train operating company that ran passenger rail services in the south of England in the late 1990s and early 2000s.
|
E1239513
|
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: Connex South Central (historical) | Statement: [Ifield railway station, hasOperatorHistory, Connex South Central (historical)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Connex South Central (historical) Context triple: [Ifield railway station, hasOperatorHistory, Connex South Central (historical)]
-
A.
North Central Service line
The North Central Service line is a Metra commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and northern suburbs near Antioch, Illinois.
-
B.
Trinity Railway Express
Trinity Railway Express is a commuter rail service connecting Dallas and Fort Worth, Texas, providing regional passenger transportation across the Dallas–Fort Worth metroplex.
-
C.
High-Speed Line South
High-Speed Line South is a Dutch high-speed railway connecting the Randstad region with Belgium and the wider European high-speed rail network.
-
D.
Florida Southern Railway
Florida Southern Railway was a historic regional railroad in Florida that later became part of the Plant System, contributing to the development of transportation and commerce in the state.
-
E.
Southwestern Limited
Southwestern Limited was a named passenger train operated by the New York Central Railroad that provided long-distance service to the southwestern regions of its 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: Connex South Central (historical) Triple: [Ifield railway station, hasOperatorHistory, Connex South Central (historical)]
Generated description
Connex South Central was a former British train operating company that ran passenger rail services in the south of England in the late 1990s and early 2000s.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Connex South Central (historical) Target entity description: Connex South Central was a former British train operating company that ran passenger rail services in the south of England in the late 1990s and early 2000s.
-
A.
North Central Service line
The North Central Service line is a Metra commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and northern suburbs near Antioch, Illinois.
-
B.
Trinity Railway Express
Trinity Railway Express is a commuter rail service connecting Dallas and Fort Worth, Texas, providing regional passenger transportation across the Dallas–Fort Worth metroplex.
-
C.
High-Speed Line South
High-Speed Line South is a Dutch high-speed railway connecting the Randstad region with Belgium and the wider European high-speed rail network.
-
D.
Florida Southern Railway
Florida Southern Railway was a historic regional railroad in Florida that later became part of the Plant System, contributing to the development of transportation and commerce in the state.
-
E.
Southwestern Limited
Southwestern Limited was a named passenger train operated by the New York Central Railroad that provided long-distance service to the southwestern regions of its network.
- 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_69d889da3e8c8190a2b118f383f0beac |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e3c8dbc6e48190be90066b82fc61db |
completed | April 18, 2026, 6:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00c7b273608190b552d8dc22bc51ef |
completed | May 10, 2026, 6 p.m. |
| NEDg | Description generation | batch_6a00c88e83b88190919cfa0d10112e53 |
completed | May 10, 2026, 6:03 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00c90bfeb0819098b93a22d5886c6f |
completed | May 10, 2026, 6:06 p.m. |
Created at: April 10, 2026, 5:29 a.m.