Triple
T16645075
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago–Ann Arbor corridor |
E404445
|
entity |
| Predicate | partOfProgram |
P2543
|
FINISHED |
| Object |
Midwest Regional Rail Initiative
The Midwest Regional Rail Initiative is a multi-state planning effort to develop a high-speed, intercity passenger rail network connecting major cities across the American Midwest.
|
E1226381
|
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: Midwest Regional Rail Initiative | Statement: [Chicago–Ann Arbor corridor, partOfProgram, Midwest Regional Rail Initiative]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midwest Regional Rail Initiative Context triple: [Chicago–Ann Arbor corridor, partOfProgram, Midwest Regional Rail Initiative]
-
A.
Northeast Corridor Improvement Program
The Northeast Corridor Improvement Program was a major U.S. rail infrastructure initiative launched in the 1970s to modernize and upgrade the heavily used passenger rail line between Boston, New York, and Washington, D.C.
-
B.
Amtrak Next-Generation High-Speed Rail Program
The Amtrak Next-Generation High-Speed Rail Program is an initiative to modernize and expand high-speed passenger rail service in the United States, particularly along the Northeast Corridor, through new trainsets, infrastructure upgrades, and improved travel times.
-
C.
Redlands Passenger Rail Project
The Redlands Passenger Rail Project is a Southern California commuter rail initiative designed to provide modern, regional rail service between Redlands and the greater Los Angeles area, improving transit connectivity and reducing roadway congestion.
-
D.
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.
-
E.
Chicago–San Antonio rail corridor
The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
- 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: Midwest Regional Rail Initiative Triple: [Chicago–Ann Arbor corridor, partOfProgram, Midwest Regional Rail Initiative]
Generated description
The Midwest Regional Rail Initiative is a multi-state planning effort to develop a high-speed, intercity passenger rail network connecting major cities across the American Midwest.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Midwest Regional Rail Initiative Target entity description: The Midwest Regional Rail Initiative is a multi-state planning effort to develop a high-speed, intercity passenger rail network connecting major cities across the American Midwest.
-
A.
Northeast Corridor Improvement Program
The Northeast Corridor Improvement Program was a major U.S. rail infrastructure initiative launched in the 1970s to modernize and upgrade the heavily used passenger rail line between Boston, New York, and Washington, D.C.
-
B.
Amtrak Next-Generation High-Speed Rail Program
The Amtrak Next-Generation High-Speed Rail Program is an initiative to modernize and expand high-speed passenger rail service in the United States, particularly along the Northeast Corridor, through new trainsets, infrastructure upgrades, and improved travel times.
-
C.
Redlands Passenger Rail Project
The Redlands Passenger Rail Project is a Southern California commuter rail initiative designed to provide modern, regional rail service between Redlands and the greater Los Angeles area, improving transit connectivity and reducing roadway congestion.
-
D.
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.
-
E.
Chicago–San Antonio rail corridor
The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
- 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_69d8838a41f08190b0c3f79c47df5078 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e37ad4735c81908a3a227bf02ca489 |
completed | April 18, 2026, 12:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0084bf0900819092db11456eb8e1c0 |
completed | May 10, 2026, 1:14 p.m. |
| NEDg | Description generation | batch_6a00862fe04481908bc114001357aea9 |
completed | May 10, 2026, 1:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00879d9f948190bdf40ff7be2505ff |
completed | May 10, 2026, 1:26 p.m. |
Created at: April 10, 2026, 5:18 a.m.