Triple
T7509115
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station (Denver) |
E177469
|
entity |
| Predicate | railServices |
P34369
|
FINISHED |
| Object |
RTD commuter rail
RTD commuter rail is a regional passenger rail system serving the Denver metropolitan area as part of the Regional Transportation District’s transit network.
|
E670214
|
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: RTD commuter rail | Statement: [Union Station (Denver), railServices, RTD commuter rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: RTD commuter rail Context triple: [Union Station (Denver), railServices, RTD commuter rail]
-
A.
MARC commuter rail
MARC commuter rail is a regional passenger train service in Maryland that connects suburban communities and nearby states with major employment centers like Washington, D.C. and Baltimore.
-
B.
A-train commuter rail
The A-train commuter rail is a regional passenger rail line in North Texas that connects Denton to the Dallas–Fort Worth area as part of the Denton County Transportation Authority network.
-
C.
Sounder commuter rail
Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
-
D.
ACE commuter rail
ACE commuter rail is a regional passenger train service in California’s San Joaquin Valley and Bay Area, providing weekday commuter transportation between inland communities and the Silicon Valley job centers.
-
E.
Biotrén commuter rail
Biotrén commuter rail is a suburban passenger train system serving the Greater Concepción metropolitan area in Chile, connecting key urban and outlying communities.
- 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: RTD commuter rail Triple: [Union Station (Denver), railServices, RTD commuter rail]
Generated description
RTD commuter rail is a regional passenger rail system serving the Denver metropolitan area as part of the Regional Transportation District’s transit network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: RTD commuter rail Target entity description: RTD commuter rail is a regional passenger rail system serving the Denver metropolitan area as part of the Regional Transportation District’s transit network.
-
A.
MARC commuter rail
MARC commuter rail is a regional passenger train service in Maryland that connects suburban communities and nearby states with major employment centers like Washington, D.C. and Baltimore.
-
B.
A-train commuter rail
The A-train commuter rail is a regional passenger rail line in North Texas that connects Denton to the Dallas–Fort Worth area as part of the Denton County Transportation Authority network.
-
C.
Sounder commuter rail
Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
-
D.
ACE commuter rail
ACE commuter rail is a regional passenger train service in California’s San Joaquin Valley and Bay Area, providing weekday commuter transportation between inland communities and the Silicon Valley job centers.
-
E.
Biotrén commuter rail
Biotrén commuter rail is a suburban passenger train system serving the Greater Concepción metropolitan area in Chile, connecting key urban and outlying communities.
- 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_69c69f276b108190af2cc790b6554544 |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f5d052888190ae8678f9134d737c |
completed | March 27, 2026, 9:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8461035b48190ba08c0f759cafe4a |
completed | March 28, 2026, 9:20 p.m. |
| NEDg | Description generation | batch_69c84754ec048190be1e37c2189b56ed |
completed | March 28, 2026, 9:25 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c848026e90819098d0b419101f91e1 |
completed | March 28, 2026, 9:28 p.m. |
Created at: March 27, 2026, 3:45 p.m.