Triple
T12803341
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Illinois Terminal (multimodal transportation center) |
E306079
|
entity |
| Predicate | railServices |
P34369
|
FINISHED |
| Object |
Amtrak Illini
Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
|
E1011658
|
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: Amtrak Illini | Statement: [Illinois Terminal (multimodal transportation center), railServices, Amtrak Illini]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Illini Context triple: [Illinois Terminal (multimodal transportation center), railServices, Amtrak Illini]
-
A.
Amtrak Illinois Zephyr
The Amtrak Illinois Zephyr is a state-supported passenger train service operating in Illinois, primarily running between Chicago and Quincy with stops at intermediate cities along the route.
-
B.
Amtrak Heartland Flyer
The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
C.
Amtrak Lake Shore Limited
Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
-
D.
Amtrak Carl Sandburg
Amtrak Carl Sandburg is a state-supported passenger train operated by Amtrak in Illinois, running between Chicago and Quincy with stops at intermediate cities such as Naperville.
-
E.
Amtrak Blue Water
Amtrak Blue Water is a passenger rail service operated by Amtrak that runs between Chicago, Illinois, and Port Huron, Michigan, serving communities across southern and central Michigan.
- 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: Amtrak Illini Triple: [Illinois Terminal (multimodal transportation center), railServices, Amtrak Illini]
Generated description
Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Amtrak Illini Target entity description: Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
-
A.
Amtrak Illinois Zephyr
The Amtrak Illinois Zephyr is a state-supported passenger train service operating in Illinois, primarily running between Chicago and Quincy with stops at intermediate cities along the route.
-
B.
Amtrak Heartland Flyer
The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
C.
Amtrak Lake Shore Limited
Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
-
D.
Amtrak Carl Sandburg
Amtrak Carl Sandburg is a state-supported passenger train operated by Amtrak in Illinois, running between Chicago and Quincy with stops at intermediate cities such as Naperville.
-
E.
Amtrak Blue Water
Amtrak Blue Water is a passenger rail service operated by Amtrak that runs between Chicago, Illinois, and Port Huron, Michigan, serving communities across southern and central Michigan.
- 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_69d7bdf366888190a8cccb982606889c |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96e7e3be48190ba9159c9f1ac2ccd |
completed | April 10, 2026, 9:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6af4d93508190ba63c8c54b573389 |
completed | May 3, 2026, 2:13 a.m. |
| NEDg | Description generation | batch_69f6b0653ef88190ad0e3a48675ecdcc |
completed | May 3, 2026, 2:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6b1a539148190be7a4f16f738ca90 |
completed | May 3, 2026, 2:23 a.m. |
Created at: April 9, 2026, 5:30 p.m.