Triple
T5814406
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra Union Pacific Northwest Line |
E128947
|
entity |
| Predicate | cityTerminus |
P1866
|
FINISHED |
| Object | Chicago |
E272290
|
NE FINISHED |
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 | Statement: [Metra Union Pacific Northwest Line, cityTerminus, Chicago]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Context triple: [Metra Union Pacific Northwest Line, cityTerminus, Chicago]
-
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.
City of Chicago
chosen
The City of Chicago is a major U.S. metropolis on Lake Michigan known for its influential architecture, diverse neighborhoods, and role as a cultural, economic, and transportation hub of the Midwest.
-
C.
Windy City
Windy City is a popular nickname for Chicago, a major U.S. city on Lake Michigan known for its architecture, cultural institutions, and influential history in transportation and industry.
-
D.
Windy City
Windy City is a common nickname for Wellington, the capital city of New Zealand, renowned for its strong and frequent winds.
-
E.
Austin, Chicago
Austin is a large, historically significant West Side neighborhood in Chicago known for its residential character, diverse community, and early 20th-century architecture.
- 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: cityTerminus Context triple: [Metra Union Pacific Northwest Line, cityTerminus, Chicago]
-
A.
westTerminalStation
Indicates that a station serves as the western terminal (end point) of a route, line, or service.
-
B.
terminusCity
chosen
Indicates that a transportation route or service ends or has its final stop in a particular city.
-
C.
cityGateAxisTerminus
Indicates the point or structure where a principal axis or thoroughfare of a city terminates at or aligns with a city gate.
-
D.
primaryLondonTerminal
Indicates that a given station serves as the main London terminal for a particular rail service or route.
-
E.
secondaryLondonTerminal
Indicates that a location serves as a secondary terminal in London associated with a primary London terminal for a given service or route.
- F. None of above.
Provenance (4 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_69c0084788848190bcf71f6bc5d71597 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c0400f1af881908d376ea4793f6dea |
completed | March 22, 2026, 7:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0b08225f08190ac27f066573b4f28 |
completed | March 23, 2026, 3:16 a.m. |
| PD | Predicate disambiguation | batch_69c0333fdd7081908d829265caa2ac11 |
completed | March 22, 2026, 6:21 p.m. |
Created at: March 22, 2026, 3:53 p.m.