Triple
T556783
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Main North railway line |
E11958
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
State Rail Authority
The State Rail Authority was a former New South Wales government agency responsible for operating and managing the state's suburban, intercity, and country passenger rail services.
|
E69883
|
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: State Rail Authority | Statement: [Main North railway line, operator, State Rail Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: State Rail Authority Context triple: [Main North railway line, operator, State Rail Authority]
-
A.
Federal Railroad Administration
The Federal Railroad Administration is a U.S. government agency responsible for regulating and promoting safe, efficient rail transportation nationwide.
-
B.
Surface Transportation Board
The Surface Transportation Board is an independent U.S. federal agency that oversees and adjudicates economic regulation of the nation’s railroads and certain other surface transportation carriers.
-
C.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
D.
Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
-
E.
Association of American Railroads
The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
- 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: State Rail Authority Triple: [Main North railway line, operator, State Rail Authority]
Generated description
The State Rail Authority was a former New South Wales government agency responsible for operating and managing the state's suburban, intercity, and country passenger rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: State Rail Authority Target entity description: The State Rail Authority was a former New South Wales government agency responsible for operating and managing the state's suburban, intercity, and country passenger rail services.
-
A.
Federal Railroad Administration
The Federal Railroad Administration is a U.S. government agency responsible for regulating and promoting safe, efficient rail transportation nationwide.
-
B.
Surface Transportation Board
The Surface Transportation Board is an independent U.S. federal agency that oversees and adjudicates economic regulation of the nation’s railroads and certain other surface transportation carriers.
-
C.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
D.
Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
-
E.
Association of American Railroads
The Association of American Railroads is a trade group representing major freight and passenger railroads in North America, focusing on industry policy, safety standards, and technological research.
- 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_69a4932941d08190815efd422f0b4ca7 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a4991ef9b0819092ec0407270373f4 |
completed | March 1, 2026, 7:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4e644f41c819099743a6c4f2815e4 |
completed | March 2, 2026, 1:22 a.m. |
| NEDg | Description generation | batch_69a4e6cfdbf48190814dfb9d2bd8dbf5 |
completed | March 2, 2026, 1:24 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4e79f2a8881909210998edba8a2a8 |
completed | March 2, 2026, 1:27 a.m. |
Created at: March 1, 2026, 7:32 p.m.