Triple
T14223285
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lincoln Service |
E352550
|
entity |
| Predicate | corridorName |
P3034
|
FINISHED |
| Object |
Chicago–St. Louis corridor
The Chicago–St. Louis corridor is a major Midwestern passenger rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key segment of Amtrak’s intercity service.
|
E1089097
|
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: Chicago–St. Louis corridor | Statement: [Lincoln Service, corridorName, Chicago–St. Louis corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–St. Louis corridor Context triple: [Lincoln Service, corridorName, Chicago–St. Louis corridor]
-
A.
Chicago–Quad Cities corridor
The Chicago–Quad Cities corridor is a major transportation and economic link in northern Illinois connecting the Chicago metropolitan area with the Quad Cities region along the Mississippi River.
-
B.
Chicago–Memphis corridor
The Chicago–Memphis corridor is a major north–south transportation route in the central United States linking the Chicago metropolitan area with Memphis through a network of interstate highways.
-
C.
Chicago–Indianapolis corridor
The Chicago–Indianapolis corridor is a major Midwestern transportation route linking the metropolitan hubs of Chicago, Illinois and Indianapolis, Indiana by highway and rail.
-
D.
Chicago–Aurora corridor
The Chicago–Aurora corridor is a heavily traveled suburban rail and commuter route linking downtown Chicago with the city of Aurora in Illinois.
-
E.
Chicago–South Bend corridor
The Chicago–South Bend corridor is a regional passenger rail route linking the Chicago metropolitan area with South Bend, Indiana, via intermediate communities in northern Indiana.
- 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: Chicago–St. Louis corridor Triple: [Lincoln Service, corridorName, Chicago–St. Louis corridor]
Generated description
The Chicago–St. Louis corridor is a major Midwestern passenger rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key segment of Amtrak’s intercity service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chicago–St. Louis corridor Target entity description: The Chicago–St. Louis corridor is a major Midwestern passenger rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key segment of Amtrak’s intercity service.
-
A.
Chicago–Quad Cities corridor
The Chicago–Quad Cities corridor is a major transportation and economic link in northern Illinois connecting the Chicago metropolitan area with the Quad Cities region along the Mississippi River.
-
B.
Chicago–Memphis corridor
The Chicago–Memphis corridor is a major north–south transportation route in the central United States linking the Chicago metropolitan area with Memphis through a network of interstate highways.
-
C.
Chicago–Indianapolis corridor
The Chicago–Indianapolis corridor is a major Midwestern transportation route linking the metropolitan hubs of Chicago, Illinois and Indianapolis, Indiana by highway and rail.
-
D.
Chicago–Aurora corridor
The Chicago–Aurora corridor is a heavily traveled suburban rail and commuter route linking downtown Chicago with the city of Aurora in Illinois.
-
E.
Chicago–South Bend corridor
The Chicago–South Bend corridor is a regional passenger rail route linking the Chicago metropolitan area with South Bend, Indiana, via intermediate communities in northern Indiana.
- 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_69d8278a06e481908b5d6af0a8afe737 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de6227c288819081473ce44f9f0934 |
completed | April 14, 2026, 3:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd324f501081908f7017302bc40b3a |
completed | May 8, 2026, 12:46 a.m. |
| NEDg | Description generation | batch_69fd33f6c8e08190810eab07ab94bc90 |
completed | May 8, 2026, 12:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd3453f7cc81909b183a8df2f5159f |
completed | May 8, 2026, 12:54 a.m. |
Created at: April 10, 2026, 1:06 a.m.