Triple
T16315266
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania trolley gauge |
E396156
|
entity |
| Predicate | historicallyUsedBy |
P2834
|
FINISHED |
| Object | Philadelphia streetcar system |
E1078079
|
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: Philadelphia streetcar system | Statement: [Pennsylvania trolley gauge, historicallyUsedBy, Philadelphia streetcar system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Philadelphia streetcar system Context triple: [Pennsylvania trolley gauge, historicallyUsedBy, Philadelphia streetcar system]
-
A.
Philadelphia public transportation system
chosen
The Philadelphia public transportation system is a citywide network of buses, subways, trolleys, and regional rail services primarily operated by SEPTA that connects neighborhoods within Philadelphia and its surrounding suburbs.
-
B.
New Orleans Streetcar System
The New Orleans Streetcar System is a historic electric streetcar network that provides public transit across key neighborhoods and corridors in New Orleans, including its downtown and tourist districts.
-
C.
Toronto streetcar system
The Toronto streetcar system is one of the largest and oldest electric streetcar networks in North America, serving as a key component of Toronto’s public transit and urban identity.
-
D.
Dallas Streetcar
Dallas Streetcar is a modern, free-to-ride streetcar line in Dallas, Texas, providing light rail-style transit between downtown and the Oak Cliff area.
-
E.
Atlanta Streetcar
The Atlanta Streetcar is a modern electric streetcar system providing urban rail transit within central Atlanta, Georgia.
- 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_69d87f255b788190a400eba031dd85d8 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e288de57cc81908cec93309347c385 |
completed | April 17, 2026, 7:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a001fa88e8c8190b0423b60389896dc |
completed | May 10, 2026, 6:03 a.m. |
Created at: April 10, 2026, 5:06 a.m.