Triple
T11131133
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sedgwick station (Chicago "L") |
E263283
|
entity |
| Predicate | servedByServicePattern |
P1294
|
FINISHED |
| Object | Purple Line express (rush hours) |
E171075
|
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: Purple Line express (rush hours) | Statement: [Sedgwick station (Chicago "L"), servedByServicePattern, Purple Line express (rush hours)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Purple Line express (rush hours) Context triple: [Sedgwick station (Chicago "L"), servedByServicePattern, Purple Line express (rush hours)]
-
A.
Red Line and Purple Line
The Red Line and Purple Line are two Chicago 'L' rapid transit routes that share tracks along the North Side and provide commuter service between the city and northern suburbs.
-
B.
Blue Line trains
Blue Line trains are rapid transit trains operating on the MBTA’s Blue Line in the Boston metropolitan area, connecting downtown Boston with East Boston and surrounding coastal neighborhoods.
-
C.
Red Line and Yellow Line
Red Line and Yellow Line are two intersecting Chicago 'L' rapid transit routes that connect at Howard station on the city's North Side.
-
D.
Metro Express
Metro Express is a faster, limited-stop service operated as part of the broader Metro Bus public transportation system.
-
E.
Purple Line Express
chosen
Purple Line Express is a rush-hour rapid transit service of the Chicago Transit Authority that operates as a faster, limited-stop variant of the Purple Line.
- 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_69d6aa9c0ba08190bbd19c217489b755 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e831f4808190afabdaa0e97bbe32 |
completed | April 9, 2026, 5:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e441e6b72881908f8288e99df0cb7c |
completed | April 19, 2026, 2:45 a.m. |
Created at: April 8, 2026, 9:28 p.m.