Triple
T13471964
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Warminster Line (SEPTA Regional Rail) |
E311649
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | SEPTA Silverliner IV |
E94304
|
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: SEPTA Silverliner IV | Statement: [Warminster Line (SEPTA Regional Rail), usesRollingStock, SEPTA Silverliner IV]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SEPTA Silverliner IV Context triple: [Warminster Line (SEPTA Regional Rail), usesRollingStock, SEPTA Silverliner IV]
-
A.
SEPTA Silverliner IV
chosen
The SEPTA Silverliner IV is an electric multiple-unit commuter railcar used extensively across Philadelphia's regional rail network.
-
B.
SEPTA Silverliner V
The SEPTA Silverliner V is a modern electric multiple-unit railcar used by Philadelphia's regional rail system for commuter service.
-
C.
SEPTA Silverliner II
The SEPTA Silverliner II was an early generation of electric multiple-unit commuter railcars used in the Philadelphia region, known for introducing more modern stainless-steel equipment to the area's suburban rail service in the 1960s.
-
D.
Bombardier Flexity Classic
The Bombardier Flexity Classic is a family of low-floor, multi-section trams used in various cities worldwide, designed for reliable, accessible urban light rail service.
-
E.
Bombardier Flexity Swift
The Bombardier Flexity Swift is a family of modular, high-floor light rail and tram vehicles designed for rapid transit operations in urban and suburban networks worldwide.
- 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_69d806a938b8819097ec43a2229fc7f9 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dbaf22e5f88190b1078f006c8ef7c0 |
completed | April 12, 2026, 2:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7462d97688190b5b817fff5973ceb |
completed | May 3, 2026, 12:57 p.m. |
Created at: April 9, 2026, 9:42 p.m.