Triple
T10566853
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Homewood station |
E249371
|
entity |
| Predicate | fareZone |
P844
|
FINISHED |
| Object | Zone E (Metra) |
E643714
|
NE FINISHED |
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: Zone E (Metra) | Statement: [Homewood station, fareZone, Zone E (Metra)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Zone E (Metra) Context triple: [Homewood station, fareZone, Zone E (Metra)]
-
A.
Metra zone E
chosen
Metra zone E is a commuter rail fare zone in the Chicago metropolitan area used to determine ticket prices on Metra’s zone-based system.
-
B.
Metra zone D
Metra zone D is a fare zone within the Metra commuter rail system in the Chicago metropolitan area, used to determine ticket prices for stations located at a similar distance from downtown Chicago.
-
C.
Metra Rock Island District line
The Metra Rock Island District line is a commuter rail route in the Chicago metropolitan area that connects downtown Chicago with various southwest suburbs, including Tinley Park.
-
D.
Arlington Park Metra station
Arlington Park Metra station is a commuter rail station in Arlington Heights, Illinois, providing access to Chicago’s Metra network for visitors to the nearby Arlington International Racecourse and surrounding suburbs.
-
E.
Metra Electric District line
The Metra Electric District line is a commuter rail line in the Chicago metropolitan area that runs from downtown Chicago to its southern suburbs, serving key destinations along the South Side and beyond.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d381c8bd708190acf3d275c908251e |
completed | April 6, 2026, 9:50 a.m. |
| NER | Named-entity recognition | batch_69d5272ef5848190b76d671ea2d26314 |
completed | April 7, 2026, 3:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d94b42879481909f9c98b2579c10a1 |
completed | April 10, 2026, 7:10 p.m. |
Created at: April 6, 2026, 12:36 p.m.