Triple
T22672711
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | California Limited |
E560259
|
entity |
| Predicate | primaryTerminus |
P388
|
FINISHED |
| Object | Dearborn Station, Chicago |
—
|
NE NERFINISHED |
How this triple was built (2 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: Dearborn Station, Chicago | Statement: [California Limited, primaryTerminus, Dearborn Station, Chicago]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dearborn Station, Chicago Context triple: [California Limited, primaryTerminus, Dearborn Station, Chicago]
-
A.
Dearborn Station
chosen
Dearborn Station is a historic former passenger railroad terminal in Chicago, known for its distinctive Romanesque architecture and role as a major gateway to the city in the late 19th and early 20th centuries.
-
B.
Mundelein station
Mundelein station is a commuter rail stop in Mundelein, Illinois, serving passengers on Metra’s North Central Service line between Chicago and its northern suburbs.
-
C.
Joliet Station
Joliet Station is a major commuter rail hub in Joliet, Illinois, serving as a key terminus and transfer point for multiple Chicago-area rail lines.
-
D.
Oak Park station
Oak Park station is a Chicago 'L' rapid transit stop in Oak Park, Illinois, served by the Green Line.
-
E.
Berwyn station
Berwyn station is a commuter rail stop in Berwyn, Pennsylvania, serving passengers on SEPTA's Paoli/Thorndale Line in the Philadelphia suburbs.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e2454bfd00819099115715a22cb057 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f17821daf88190b18a73a222fc22fb |
completed | April 29, 2026, 3:16 a.m. |
Created at: April 17, 2026, 3:10 p.m.