Triple
T92347
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA Subway–Surface Trolley Lines |
E1855
|
entity |
| Predicate | servesArea |
P82
|
FINISHED |
| Object | University City |
E81
|
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: University City | Statement: [SEPTA Subway–Surface Trolley Lines, servesArea, University City]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: University City Context triple: [SEPTA Subway–Surface Trolley Lines, servesArea, University City]
-
A.
Downtown Campus
Downtown Campus is McGill University's historic urban campus located in the heart of Montreal, known for its mix of traditional and modern academic buildings and proximity to the city's cultural and commercial centers.
-
B.
University City Science Center
The University City Science Center is a prominent urban research and technology innovation hub in Philadelphia that supports startups, academic partnerships, and commercialization of scientific advances.
-
C.
University City, Philadelphia
chosen
University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
-
D.
University of Chicago
The University of Chicago is a private research university in Chicago renowned for its rigorous academics, influential scholarship across disciplines, and significant contributions to economics, law, and the social sciences.
-
E.
University College
University College is one of the oldest and most prominent constituent colleges of the University of Toronto, known for its historic architecture and central role in undergraduate life.
- 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_69a24d1a97dc819094e6c021fe9b05a7 |
completed | Feb. 28, 2026, 2:04 a.m. |
| NER | Named-entity recognition | batch_69a2567dd770819088eb77ffc6d2d1cf |
completed | Feb. 28, 2026, 2:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a284fd52f08190b264937658192e79 |
completed | Feb. 28, 2026, 6:02 a.m. |
Created at: Feb. 28, 2026, 2:07 a.m.