Triple
T14931500
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Belmont station (CTA North Side Main Line) |
E372275
|
entity |
| Predicate | servedByServicePattern |
P1294
|
FINISHED |
| Object | Purple Line weekday rush-hour express service |
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 weekday rush-hour express service | Statement: [Belmont station (CTA North Side Main Line), servedByServicePattern, Purple Line weekday rush-hour express service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Purple Line weekday rush-hour express service Context triple: [Belmont station (CTA North Side Main Line), servedByServicePattern, Purple Line weekday rush-hour express service]
-
A.
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.
-
B.
Metro Express
Metro Express is a faster, limited-stop service operated as part of the broader Metro Bus public transportation system.
-
C.
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.
-
D.
Pink Line
Pink Line is a major corridor of the Delhi Metro network that forms part of the system’s orbital route around the city.
-
E.
Pink Line
The Pink Line is an elevated mass transit monorail route in Bangkok that serves as part of the city's urban rail network, connecting northern and eastern suburbs.
- 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_69d85cc9da0c81908d583ca3f63a3908 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded64550dc8190ba44120df00ba498 |
completed | April 15, 2026, 12:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe72c86b5c81909e601a3fc78276bd |
completed | May 8, 2026, 11:33 p.m. |
Created at: April 10, 2026, 2:36 a.m.