Triple
T15815221
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Florida Regional Transportation Authority |
E383456
|
entity |
| Predicate | formedFrom |
P402
|
FINISHED |
| Object |
Tri-County Commuter Rail Authority
Tri-County Commuter Rail Authority was the original regional agency that developed and operated South Florida’s Tri-Rail commuter rail service before being reorganized as the South Florida Regional Transportation Authority.
|
E143581
|
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: Tri-County Commuter Rail Authority | Statement: [South Florida Regional Transportation Authority, formedFrom, Tri-County Commuter Rail Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tri-County Commuter Rail Authority Context triple: [South Florida Regional Transportation Authority, formedFrom, Tri-County Commuter Rail Authority]
-
A.
MetroWest Regional Transit Authority
MetroWest Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the MetroWest region of Massachusetts.
-
B.
Franklin Regional Transit Authority
Franklin Regional Transit Authority is a regional public transportation agency serving Greenfield and surrounding communities in Franklin County, Massachusetts.
-
C.
Peninsula Corridor Joint Powers Board
The Peninsula Corridor Joint Powers Board is a public agency formed by Bay Area counties to oversee and manage the Caltrain commuter rail service along the San Francisco Peninsula.
-
D.
TRE commuter rail
TRE commuter rail is a regional passenger rail service connecting Dallas and Fort Worth, Texas, providing commuter transportation across the Dallas–Fort Worth metropolitan area.
-
E.
Tri-Rail
Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
- 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: Tri-County Commuter Rail Authority Triple: [South Florida Regional Transportation Authority, formedFrom, Tri-County Commuter Rail Authority]
Generated description
Tri-County Commuter Rail Authority was the original regional agency that developed and operated South Florida’s Tri-Rail commuter rail service before being reorganized as the South Florida Regional Transportation Authority.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tri-County Commuter Rail Authority Target entity description: Tri-County Commuter Rail Authority was the original regional agency that developed and operated South Florida’s Tri-Rail commuter rail service before being reorganized as the South Florida Regional Transportation Authority.
-
A.
MetroWest Regional Transit Authority
MetroWest Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the MetroWest region of Massachusetts.
-
B.
Franklin Regional Transit Authority
Franklin Regional Transit Authority is a regional public transportation agency serving Greenfield and surrounding communities in Franklin County, Massachusetts.
-
C.
Peninsula Corridor Joint Powers Board
The Peninsula Corridor Joint Powers Board is a public agency formed by Bay Area counties to oversee and manage the Caltrain commuter rail service along the San Francisco Peninsula.
-
D.
TRE commuter rail
TRE commuter rail is a regional passenger rail service connecting Dallas and Fort Worth, Texas, providing commuter transportation across the Dallas–Fort Worth metropolitan area.
-
E.
Tri-Rail
chosen
Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
- F. None of above.
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_69d86da2858c819090cc8481e7207b6e |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e0c4a219508190b8588120ec415ac7 |
completed | April 16, 2026, 11:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff99959f048190ae24a072387ec233 |
completed | May 9, 2026, 8:31 p.m. |
| NEDg | Description generation | batch_69ff9ad6b29081909ff2abb2c4d866a4 |
completed | May 9, 2026, 8:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff9b443280819088dbf18f7c57406b |
completed | May 9, 2026, 8:38 p.m. |
Created at: April 10, 2026, 4:49 a.m.