Triple
T1391294
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra |
E29963
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object | SouthWest Service |
E94374
|
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: SouthWest Service | Statement: [Metra, operates, SouthWest Service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SouthWest Service Context triple: [Metra, operates, SouthWest Service]
-
A.
SouthWest Service line
chosen
The SouthWest Service line is a Metra commuter rail route in the Chicago metropolitan area that provides passenger service between downtown Chicago and southwestern suburbs.
-
B.
Westside Express Service
Westside Express Service is a commuter rail line in the Portland, Oregon metropolitan area that connects suburban communities along the region’s west side.
-
C.
Overture Services
Overture Services was an early pioneer in pay-per-click search advertising, best known for powering sponsored search results for major web portals in the late 1990s and early 2000s.
-
D.
Southern Linc
Southern Linc is a regional wireless communications provider in the southeastern United States, offering mission-critical voice and data services, particularly for utilities and public safety organizations.
-
E.
North Central Service line
The North Central Service line is a Metra commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and northern suburbs near Antioch, Illinois.
- 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_69a498dc92f8819094a1108f8ac90f43 |
completed | March 1, 2026, 7:51 p.m. |
| NER | Named-entity recognition | batch_69a4c35f7ab081909fe81dd475d6196f |
completed | March 1, 2026, 10:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acde24d1d88190bd6d602923270cd1 |
completed | March 8, 2026, 2:25 a.m. |
Created at: March 1, 2026, 7:59 p.m.