Triple
T5083213
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago, Burlington and Quincy Railroad |
E114572
|
entity |
| Predicate | operatedService |
P5884
|
FINISHED |
| Object |
Nebraska Zephyr
The Nebraska Zephyr was a streamlined passenger train that provided luxury rail service between Chicago and Nebraska in the mid-20th century.
|
E493676
|
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: Nebraska Zephyr | Statement: [Chicago, Burlington and Quincy Railroad, operatedService, Nebraska Zephyr]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nebraska Zephyr Context triple: [Chicago, Burlington and Quincy Railroad, operatedService, Nebraska Zephyr]
-
A.
Illinois Zephyr
The Illinois Zephyr is a state-supported Amtrak passenger train that operates daily between Chicago and Quincy, Illinois, serving intermediate cities across the state.
-
B.
Twin Cities Zephyr
The Twin Cities Zephyr was a streamlined passenger train that provided fast, stylish service between Chicago and the Minneapolis–St. Paul "Twin Cities" during the mid-20th century.
-
C.
Southwest Chief
The Southwest Chief is a long-distance Amtrak passenger train route that runs between Chicago and Los Angeles, traversing the Midwest, the Great Plains, and the desert Southwest.
-
D.
Union Pacific Overland Route
The Union Pacific Overland Route was a premier transcontinental rail line that served as a primary passenger and freight corridor across the western United States.
-
E.
Texas Eagle
The Texas Eagle is a long-distance Amtrak passenger train route running between Chicago and San Antonio, known for traversing the central United States through states like Illinois, Missouri, Arkansas, and Texas.
- 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: Nebraska Zephyr Triple: [Chicago, Burlington and Quincy Railroad, operatedService, Nebraska Zephyr]
Generated description
The Nebraska Zephyr was a streamlined passenger train that provided luxury rail service between Chicago and Nebraska in the mid-20th century.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nebraska Zephyr Target entity description: The Nebraska Zephyr was a streamlined passenger train that provided luxury rail service between Chicago and Nebraska in the mid-20th century.
-
A.
Illinois Zephyr
The Illinois Zephyr is a state-supported Amtrak passenger train that operates daily between Chicago and Quincy, Illinois, serving intermediate cities across the state.
-
B.
Twin Cities Zephyr
The Twin Cities Zephyr was a streamlined passenger train that provided fast, stylish service between Chicago and the Minneapolis–St. Paul "Twin Cities" during the mid-20th century.
-
C.
Southwest Chief
The Southwest Chief is a long-distance Amtrak passenger train route that runs between Chicago and Los Angeles, traversing the Midwest, the Great Plains, and the desert Southwest.
-
D.
Union Pacific Overland Route
The Union Pacific Overland Route was a premier transcontinental rail line that served as a primary passenger and freight corridor across the western United States.
-
E.
Texas Eagle
The Texas Eagle is a long-distance Amtrak passenger train route running between Chicago and San Antonio, known for traversing the central United States through states like Illinois, Missouri, Arkansas, and Texas.
- 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_69bd443dbf908190a9401e9c2dc7bd7d |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd7517af308190bab5507a9344bf68 |
completed | March 20, 2026, 4:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beba6f3eb48190b544bf743829cb0c |
completed | March 21, 2026, 3:34 p.m. |
| NEDg | Description generation | batch_69bebbf5c968819093aaca8a09b2ea14 |
completed | March 21, 2026, 3:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bebc8e25e08190bad1791a97b6482d |
completed | March 21, 2026, 3:43 p.m. |
Created at: March 20, 2026, 1:39 p.m.