Triple
T13233375
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PCC streetcar |
E315076
|
entity |
| Predicate | notableOperator |
P179
|
FINISHED |
| Object | Philadelphia Transportation Company |
E150675
|
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 Transportation Company | Statement: [PCC streetcar, notableOperator, Philadelphia Transportation Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Philadelphia Transportation Company Context triple: [PCC streetcar, notableOperator, Philadelphia Transportation Company]
-
A.
Philadelphia Transportation Company
chosen
The Philadelphia Transportation Company was the private transit operator that managed Philadelphia’s streetcars, buses, and subways for much of the mid-20th century before being succeeded by SEPTA.
-
B.
Philadelphia Suburban Transportation Company
The Philadelphia Suburban Transportation Company was a private transit operator that ran suburban trolley and bus services in the Philadelphia region before being absorbed into the Southeastern Pennsylvania Transportation Authority (SEPTA).
-
C.
Philadelphia and West Chester Traction Company
The Philadelphia and West Chester Traction Company was an early 20th-century suburban streetcar and interurban railway operator serving the area between Philadelphia and West Chester, Pennsylvania.
-
D.
Baltimore Transit Company
The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
-
E.
Metropolitan Transit Corporation
The Metropolitan Transit Corporation was the former public transit agency that operated bus services in King County, Washington, before being succeeded by King County Metro.
- 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_69d806affc688190a25b6ccc588e9c72 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98d34ff288190bdb550a019b7a470 |
completed | April 10, 2026, 11:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6ff2dca2c81909cab1aa868ad575d |
completed | May 3, 2026, 7:54 a.m. |
Created at: April 9, 2026, 9:22 p.m.