Triple
T969846
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New York–Philadelphia–Pittsburgh–Chicago |
E20920
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
U.S. intercity passenger rail network
The U.S. intercity passenger rail network is a nationwide system of medium- and long-distance train routes, primarily operated by Amtrak, that connects major cities and regions across the United States.
|
E115617
|
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: U.S. intercity passenger rail network | Statement: [New York–Philadelphia–Pittsburgh–Chicago, partOf, U.S. intercity passenger rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. intercity passenger rail network Context triple: [New York–Philadelphia–Pittsburgh–Chicago, partOf, U.S. intercity passenger rail network]
-
A.
Sounder commuter rail
Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
-
B.
Amtrak Empire Corridor
The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
-
C.
Peninsula rail corridor
The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
-
D.
Northstar commuter rail
Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
-
E.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
- 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: U.S. intercity passenger rail network Triple: [New York–Philadelphia–Pittsburgh–Chicago, partOf, U.S. intercity passenger rail network]
Generated description
The U.S. intercity passenger rail network is a nationwide system of medium- and long-distance train routes, primarily operated by Amtrak, that connects major cities and regions across the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: U.S. intercity passenger rail network Target entity description: The U.S. intercity passenger rail network is a nationwide system of medium- and long-distance train routes, primarily operated by Amtrak, that connects major cities and regions across the United States.
-
A.
Sounder commuter rail
Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
-
B.
Amtrak Empire Corridor
The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
-
C.
Peninsula rail corridor
The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
-
D.
Northstar commuter rail
Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
-
E.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
- 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_69a493b33d2c81909c52c369d3ca8436 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4b4497d688190b59c3a195e377080 |
completed | March 1, 2026, 9:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac1cd9705c8190adf1fb72188cc84e |
completed | March 7, 2026, 12:40 p.m. |
| NEDg | Description generation | batch_69ac1db013e481908aaa08f4be7e4182 |
completed | March 7, 2026, 12:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac1e187a588190912d88d1a3438349 |
completed | March 7, 2026, 12:46 p.m. |
Created at: March 1, 2026, 7:40 p.m.