Triple
T3751649
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arvada |
E81343
|
entity |
| Predicate | isServedBy |
P1293
|
FINISHED |
| Object |
G Line commuter rail
The G Line commuter rail is a Regional Transportation District (RTD) rail line in the Denver metropolitan area that connects Union Station in downtown Denver with western suburbs including Arvada and Wheat Ridge.
|
E383409
|
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: G Line commuter rail | Statement: [Arvada, isServedBy, G Line commuter rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: G Line commuter rail Context triple: [Arvada, isServedBy, G Line commuter rail]
-
A.
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.
-
B.
SKM commuter rail
SKM commuter rail is a rapid urban and suburban rail service operating in Poland’s Tricity area, connecting cities such as Gdańsk, Sopot, and Gdynia.
-
C.
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.
-
D.
Northstar commuter rail
Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
-
E.
COASTER commuter rail
COASTER commuter rail is a regional passenger train service in San Diego County, California, connecting coastal communities between Oceanside and downtown San Diego.
- 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: G Line commuter rail Triple: [Arvada, isServedBy, G Line commuter rail]
Generated description
The G Line commuter rail is a Regional Transportation District (RTD) rail line in the Denver metropolitan area that connects Union Station in downtown Denver with western suburbs including Arvada and Wheat Ridge.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: G Line commuter rail Target entity description: The G Line commuter rail is a Regional Transportation District (RTD) rail line in the Denver metropolitan area that connects Union Station in downtown Denver with western suburbs including Arvada and Wheat Ridge.
-
A.
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.
-
B.
SKM commuter rail
SKM commuter rail is a rapid urban and suburban rail service operating in Poland’s Tricity area, connecting cities such as Gdańsk, Sopot, and Gdynia.
-
C.
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.
-
D.
Northstar commuter rail
Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
-
E.
COASTER commuter rail
COASTER commuter rail is a regional passenger train service in San Diego County, California, connecting coastal communities between Oceanside and downtown San Diego.
- 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_69ad8b19b7b08190a6188804e99c53e9 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69adcb909bb4819088559f90d718f72f |
completed | March 8, 2026, 7:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4db34aa5c8190ba3f22ee0f1f4208 |
completed | March 14, 2026, 3:51 a.m. |
| NEDg | Description generation | batch_69b4dbded2c8819084c26ae2ec1c19b3 |
completed | March 14, 2026, 3:54 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b4dc9cdfc48190be9ff5c501c9efcb |
completed | March 14, 2026, 3:57 a.m. |
Created at: March 8, 2026, 3:35 p.m.