Triple
T18248339
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA 2200-series railcars |
E437012
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object | West-Northwest Route |
—
|
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: West-Northwest Route | Statement: [CTA 2200-series railcars, usedOnLine, West-Northwest Route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West-Northwest Route Context triple: [CTA 2200-series railcars, usedOnLine, West-Northwest Route]
-
A.
West-Northwest Route
chosen
West-Northwest Route was the former name of a Chicago Transit Authority rapid transit line that is now part of the Blue Line.
-
B.
Eastern Route
Eastern Route is a historic Boston-area railroad corridor that serves as the primary right-of-way for MBTA Commuter Rail service to Newburyport and Rockport.
-
C.
Owen-Spalding route
The Owen-Spalding route is the classic, most commonly climbed mountaineering route to the summit of Grand Teton in Wyoming’s Teton Range.
-
D.
Allain–Leininger route
The Allain–Leininger route is a classic and historically significant alpine climbing line on the steep north face of Les Drus in the Mont Blanc massif.
-
E.
Coleman–Deming route
The Coleman–Deming route is a classic glacier climb and one of the most popular standard ascent routes to the summit of Mount Baker in Washington State.
- 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_69d8b91104e08190a8241f7d260a5162 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4f7e89b288190a286797ec2cd60a8 |
completed | April 19, 2026, 3:42 p.m. |
Created at: April 10, 2026, 10:33 a.m.