Triple
T2509544
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Valley Metro |
E52668
|
entity |
| Predicate | formedBy |
P972
|
FINISHED |
| Object |
City of Phoenix Public Transit Department
The City of Phoenix Public Transit Department is the municipal agency that originally established and oversees much of the public transportation services in Phoenix, Arizona, contributing to the regional Valley Metro system.
|
E273038
|
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: City of Phoenix Public Transit Department | Statement: [Valley Metro, formedBy, City of Phoenix Public Transit Department]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City of Phoenix Public Transit Department Context triple: [Valley Metro, formedBy, City of Phoenix Public Transit Department]
-
A.
Valley Metro
Valley Metro is the regional public transportation system serving the Phoenix metropolitan area, operating bus, light rail, and paratransit services.
-
B.
PHX Sky Train
PHX Sky Train is an automated people mover system that transports passengers between terminals, parking areas, and the light rail at Phoenix Sky Harbor International Airport.
-
C.
City of Phoenix Aviation Department
The City of Phoenix Aviation Department is the municipal agency responsible for managing and overseeing Phoenix’s airport system, including its major commercial hub, Phoenix Sky Harbor International Airport.
-
D.
Transit Bureau
The Transit Bureau is the division of the New York City Police Department responsible for policing and ensuring safety within the city’s public transit system, particularly the subway.
-
E.
Manchester Transit Authority
Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
- 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: City of Phoenix Public Transit Department Triple: [Valley Metro, formedBy, City of Phoenix Public Transit Department]
Generated description
The City of Phoenix Public Transit Department is the municipal agency that originally established and oversees much of the public transportation services in Phoenix, Arizona, contributing to the regional Valley Metro system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: City of Phoenix Public Transit Department Target entity description: The City of Phoenix Public Transit Department is the municipal agency that originally established and oversees much of the public transportation services in Phoenix, Arizona, contributing to the regional Valley Metro system.
-
A.
Valley Metro
Valley Metro is the regional public transportation system serving the Phoenix metropolitan area, operating bus, light rail, and paratransit services.
-
B.
PHX Sky Train
PHX Sky Train is an automated people mover system that transports passengers between terminals, parking areas, and the light rail at Phoenix Sky Harbor International Airport.
-
C.
City of Phoenix Aviation Department
The City of Phoenix Aviation Department is the municipal agency responsible for managing and overseeing Phoenix’s airport system, including its major commercial hub, Phoenix Sky Harbor International Airport.
-
D.
Transit Bureau
The Transit Bureau is the division of the New York City Police Department responsible for policing and ensuring safety within the city’s public transit system, particularly the subway.
-
E.
Manchester Transit Authority
Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
- 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_69ab4958e76481908a235377dd921c9e |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abd1ed94a08190a172a426c2123f36 |
completed | March 7, 2026, 7:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af1faa33148190a3ad6ece7432b81f |
completed | March 9, 2026, 7:29 p.m. |
| NEDg | Description generation | batch_69af20aafd008190ad9fee7c154f8597 |
completed | March 9, 2026, 7:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69af2193102c81908f5fe1c899cc1a85 |
completed | March 9, 2026, 7:37 p.m. |
Created at: March 6, 2026, 9:46 p.m.