Triple
T2550256
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Regional Transportation District |
E56607
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object |
A Line (Denver commuter rail)
A Line (Denver commuter rail) is an electric commuter rail service in the Denver metropolitan area that connects downtown Denver’s Union Station with Denver International Airport and several intermediate neighborhoods and suburbs.
|
E276574
|
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: A Line (Denver commuter rail) | Statement: [Regional Transportation District, operates, A Line (Denver commuter rail)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: A Line (Denver commuter rail) Context triple: [Regional Transportation District, operates, A Line (Denver commuter rail)]
-
A.
W Line (RTD)
The W Line (RTD) is a light rail route in the Denver metropolitan area that connects downtown Denver with the western suburbs, including Lakewood and Golden, as part of the Regional Transportation District system.
-
B.
Denver RTD
Denver RTD is the regional public transportation agency serving the Denver metropolitan area in Colorado, operating buses, light rail, and commuter rail services.
-
C.
Metra Union Pacific West Line
The Metra Union Pacific West Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, including communities in DuPage County.
-
D.
Metra Union Pacific Northwest Line
The Metra Union Pacific Northwest Line is a commuter rail line in the Chicago metropolitan area that provides service between downtown Chicago and its northwestern suburbs, including parts of McHenry County, Illinois.
-
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: A Line (Denver commuter rail) Triple: [Regional Transportation District, operates, A Line (Denver commuter rail)]
Generated description
A Line (Denver commuter rail) is an electric commuter rail service in the Denver metropolitan area that connects downtown Denver’s Union Station with Denver International Airport and several intermediate neighborhoods and suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: A Line (Denver commuter rail) Target entity description: A Line (Denver commuter rail) is an electric commuter rail service in the Denver metropolitan area that connects downtown Denver’s Union Station with Denver International Airport and several intermediate neighborhoods and suburbs.
-
A.
W Line (RTD)
The W Line (RTD) is a light rail route in the Denver metropolitan area that connects downtown Denver with the western suburbs, including Lakewood and Golden, as part of the Regional Transportation District system.
-
B.
Denver RTD
Denver RTD is the regional public transportation agency serving the Denver metropolitan area in Colorado, operating buses, light rail, and commuter rail services.
-
C.
Metra Union Pacific West Line
The Metra Union Pacific West Line is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, including communities in DuPage County.
-
D.
Metra Union Pacific Northwest Line
The Metra Union Pacific Northwest Line is a commuter rail line in the Chicago metropolitan area that provides service between downtown Chicago and its northwestern suburbs, including parts of McHenry County, Illinois.
-
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_69ab4a4bfec081908039988ec4c86e28 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd2e930508190a6bc9fc4fa431070 |
completed | March 7, 2026, 7:25 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af5d114964819092b847c701a0704e |
completed | March 9, 2026, 11:51 p.m. |
| NEDg | Description generation | batch_69af5db1c290819099d88815ebe97c1b |
completed | March 9, 2026, 11:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69af5e2cd2588190bc24c3cdd350fa70 |
completed | March 9, 2026, 11:56 p.m. |
Created at: March 6, 2026, 9:48 p.m.