Triple
T19975408
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nebraska Zephyr |
E493676
|
entity |
| Predicate | railroadHeadquartersCity |
P22571
|
FINISHED |
| Object | Chicago, Illinois |
—
|
NE NERFINISHED |
How this triple was built (3 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, Illinois | Statement: [Nebraska Zephyr, railroadHeadquartersCity, Chicago, Illinois]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago, Illinois Context triple: [Nebraska Zephyr, railroadHeadquartersCity, Chicago, Illinois]
-
A.
Chicago
Chicago is a long-running, Tony Award–winning Broadway musical known for its jazz-influenced score, satirical take on crime and celebrity, and iconic Bob Fosse–style choreography.
-
B.
Chicago
"Chicago" is a novel by Egyptian author Alaa Al Aswany that intertwines the lives of Arab and American characters in the city of Chicago to explore themes of identity, politics, and exile.
-
C.
Chicago
"Chicago" is a politically charged 1971 protest song by British singer-songwriter Graham Nash, inspired by the 1968 Democratic National Convention and the trial of the Chicago Eight.
-
D.
Chicago
chosen
Chicago is a major U.S. city on Lake Michigan known for its influential architecture, diverse cultural scene, and status as a key economic and transportation hub in the Midwest.
-
E.
Chicago
Chicago is a 1927 American silent crime-comedy film that satirically portrays the scandalous rise to fame of a woman accused of murder, adapted from Maurine Dallas Watkins' play of the same name.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railroadHeadquartersCity Context triple: [Nebraska Zephyr, railroadHeadquartersCity, Chicago, Illinois]
-
A.
hasRailwayHeadquarters
chosen
Indicates that a railway organization or system has its main administrative or operational headquarters located at a specified place.
-
B.
headquartersLocation
Indicates the place where an organization’s main administrative center or principal office is located.
-
C.
railwayDivisionHeadquartersOf
Indicates that one location serves as the administrative headquarters for a specified railway division.
-
D.
headquartersFor
Indicates that a location serves as the main administrative center or base of operations for an organization or entity.
-
E.
employerHeadquarters
Indicates the location where an employer’s main corporate offices or central administrative operations are based.
- F. None of above.
Provenance (3 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_69da626a67648190af9653832a3aeced |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e65bcca5088190b523584d11799400 |
completed | April 20, 2026, 5:01 p.m. |
| PD | Predicate disambiguation | batch_69e537fae79c81909eae39500766d0b6 |
completed | April 19, 2026, 8:15 p.m. |
Created at: April 11, 2026, 3:24 p.m.