Triple
T3554408
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Panhandle Bridge |
E75184
|
entity |
| Predicate | usedBy |
P260
|
FINISHED |
| Object | Pittsburgh Light Rail |
E245518
|
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: Pittsburgh Light Rail | Statement: [Panhandle Bridge, usedBy, Pittsburgh Light Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh Light Rail Context triple: [Panhandle Bridge, usedBy, Pittsburgh Light Rail]
-
A.
Pittsburgh Regional Transit
chosen
Pittsburgh Regional Transit is the primary public transportation agency serving the Pittsburgh metropolitan area, operating buses, light rail, and other transit services across the region.
-
B.
Baltimore Light Rail
Baltimore Light Rail is a regional light rail transit system serving Baltimore, Maryland, and its surrounding suburbs.
-
C.
River Line light rail
River Line light rail is a New Jersey light rail transit service that runs along the Delaware River corridor, connecting Trenton and Camden with multiple intermediate communities.
-
D.
Huntington Area Rapid Transit
Huntington Area Rapid Transit is the local bus system serving the town of Huntington in Suffolk County, New York.
-
E.
Newark Light Rail
Newark Light Rail is a light rail transit system serving the city of Newark, New Jersey, connecting downtown, residential neighborhoods, and key regional transit hubs.
- 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_69ad85d33c6c819081d5ac1df13b5680 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc05549d88190acdebdd542ea1a67 |
completed | March 8, 2026, 6:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b38bf1c3e881908e7fc3b4df24e72b |
completed | March 13, 2026, 4 a.m. |
Created at: March 8, 2026, 3:20 p.m.