Triple
T16315288
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania trolley gauge |
E396156
|
entity |
| Predicate | historicallyUsedBy |
P2834
|
FINISHED |
| Object | New Castle streetcar system |
E1205292
|
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: New Castle streetcar system | Statement: [Pennsylvania trolley gauge, historicallyUsedBy, New Castle streetcar system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Castle streetcar system Context triple: [Pennsylvania trolley gauge, historicallyUsedBy, New Castle streetcar system]
-
A.
Pittsburgh streetcar system
The Pittsburgh streetcar system was an extensive urban and suburban electric tram network that once served as a primary mode of public transportation in and around Pittsburgh, Pennsylvania.
-
B.
Lancaster streetcar system
The Lancaster streetcar system was a historic electric trolley network that once provided urban and interurban public transit service in and around Lancaster, Pennsylvania.
-
C.
Sharon streetcar system
chosen
The Sharon streetcar system was a historic electric trolley network that once served the city of Sharon, Pennsylvania and its surrounding area.
-
D.
Cincinnati Bell Connector streetcar
The Cincinnati Bell Connector streetcar is a modern electric streetcar line that provides downtown and Over-the-Rhine circulation in Cincinnati, Ohio.
-
E.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
- 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_6a0026044a5881908773e286fb1a6e3e |
completed | May 10, 2026, 6:30 a.m. |
Created at: April 10, 2026, 5:06 a.m.