Triple
T8438120
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Pacific West Line |
E199279
|
entity |
| Predicate | downtownTerminal |
P6243
|
FINISHED |
| Object | Ogilvie Transportation Center |
E156565
|
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: Ogilvie Transportation Center | Statement: [Union Pacific West Line, downtownTerminal, Ogilvie Transportation Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ogilvie Transportation Center Context triple: [Union Pacific West Line, downtownTerminal, Ogilvie Transportation Center]
-
A.
Ogilvie Transportation Center
chosen
Ogilvie Transportation Center is a major commuter rail terminal in downtown Chicago serving multiple Metra lines and connecting suburban riders to the city's central business district.
-
B.
Walter Rand Transportation Center
Walter Rand Transportation Center is a major intermodal transit hub in Camden, New Jersey, serving as a key connection point for regional rail, bus, and subway services.
-
C.
Arrott Transportation Center
Arrott Transportation Center is a major public transit hub in Philadelphia that serves as an important connection point for subway and bus routes in the city’s Frankford neighborhood.
-
D.
Aurora Transportation Center
Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
-
E.
Saco Transportation Center
Saco Transportation Center is a passenger rail and bus station in Saco, Maine that serves as a regional transportation hub for Amtrak and local transit services.
- 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: downtownTerminal Context triple: [Union Pacific West Line, downtownTerminal, Ogilvie Transportation Center]
-
A.
westTerminalStation
Indicates that a station serves as the western terminal (end point) of a route, line, or service.
-
B.
terminusCitySouth
Indicates that something serves as the southern terminus or endpoint located in a particular city.
-
C.
terminusCity
Indicates that a transportation route or service ends or has its final stop in a particular city.
-
D.
terminusCitySoutheast
Indicates that something serves as the southeastern terminus or endpoint of a route, line, or connection in a particular city.
-
E.
isDowntownEndpointOf
chosen
Indicates that a location serves as the downtown terminus or endpoint of a route, line, or path.
- 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_69ca8314cd6c8190a6b8c2a1096e18f3 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe30fba4081908bfdef3faf5baceb |
completed | March 31, 2026, 3:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce4dc163488190a53d8696fdba94b5 |
completed | April 2, 2026, 11:06 a.m. |
| PD | Predicate disambiguation | batch_69cbd0f5a3648190beb53a139a2d5482 |
completed | March 31, 2026, 1:49 p.m. |
Created at: March 30, 2026, 6:08 p.m.