Triple
T5858126
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Hills |
E130205
|
entity |
| Predicate | hasTransportationLink |
P1298
|
FINISHED |
| Object |
Port Authority light rail
Port Authority light rail is a light rail transit system serving the Pittsburgh, Pennsylvania metropolitan area, connecting downtown with surrounding neighborhoods and suburbs.
|
E550270
|
NE FINISHED |
How this triple was built (4 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: Port Authority light rail | Statement: [South Hills, hasTransportationLink, Port Authority light rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Port Authority light rail Context triple: [South Hills, hasTransportationLink, Port Authority light rail]
-
A.
Hudson–Bergen Light Rail
The Hudson–Bergen Light Rail is a modern light rail transit system serving waterfront communities and urban centers in Hudson County, New Jersey, providing frequent local service along the Hudson River corridor.
-
B.
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.
-
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.
METRO light rail
METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
-
E.
DART Light Rail
DART Light Rail is a light rail transit system serving the Dallas–Fort Worth metropolitan area, operated by Dallas Area Rapid Transit.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Port Authority light rail Triple: [South Hills, hasTransportationLink, Port Authority light rail]
Generated description
Port Authority light rail is a light rail transit system serving the Pittsburgh, Pennsylvania metropolitan area, connecting downtown with surrounding neighborhoods and suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Port Authority light rail Target entity description: Port Authority light rail is a light rail transit system serving the Pittsburgh, Pennsylvania metropolitan area, connecting downtown with surrounding neighborhoods and suburbs.
-
A.
Hudson–Bergen Light Rail
The Hudson–Bergen Light Rail is a modern light rail transit system serving waterfront communities and urban centers in Hudson County, New Jersey, providing frequent local service along the Hudson River corridor.
-
B.
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.
-
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.
METRO light rail
METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
-
E.
DART Light Rail
DART Light Rail is a light rail transit system serving the Dallas–Fort Worth metropolitan area, operated by Dallas Area Rapid Transit.
- F. None of above. chosen
Provenance (5 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_69c0084f3bb08190a7720f55f7aa4252 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c0358654e48190908e7390a0164726 |
completed | March 22, 2026, 6:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0a1c3a69881908ffeee1ddbeb8618 |
completed | March 23, 2026, 2:13 a.m. |
| NEDg | Description generation | batch_69c0a258fa208190a06b457e7856c338 |
completed | March 23, 2026, 2:15 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0a310d2d08190a8dab95f9eef2815 |
completed | March 23, 2026, 2:18 a.m. |
Created at: March 22, 2026, 3:56 p.m.