Triple
T17175060
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Salt Lake Central station |
E416836
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
FrontRunner Ogden–Provo line
The FrontRunner Ogden–Provo line is a Utah Transit Authority commuter rail route that runs along the Wasatch Front, linking the cities of Ogden, Salt Lake City, and Provo.
|
E1254537
|
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: FrontRunner Ogden–Provo line | Statement: [Salt Lake Central station, connectsTo, FrontRunner Ogden–Provo line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: FrontRunner Ogden–Provo line Context triple: [Salt Lake Central station, connectsTo, FrontRunner Ogden–Provo line]
-
A.
Orem FrontRunner station
Orem FrontRunner station is a commuter rail stop in Orem, Utah, served by the Utah Transit Authority’s FrontRunner line connecting cities along the Wasatch Front.
-
B.
Salt Lake City–St. George route
The Salt Lake City–St. George route is a major transportation corridor in Utah connecting the state’s capital with its southwestern region, including cities like St. George, and serving as a key link for regional travel and commerce.
-
C.
American Fork FrontRunner station
American Fork FrontRunner station is a commuter rail station in American Fork, Utah, serving Utah Transit Authority’s FrontRunner line along the Wasatch Front.
-
D.
Salt Lake City TRAX
Salt Lake City TRAX is a light rail transit system serving the Salt Lake City metropolitan area in Utah, operated by the Utah Transit Authority.
-
E.
San Pedro, Los Angeles and Salt Lake Railroad
The San Pedro, Los Angeles and Salt Lake Railroad was an early 20th-century rail line that connected Los Angeles, California, with Salt Lake City, Utah, playing a key role in the development of the American Southwest.
- 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: FrontRunner Ogden–Provo line Triple: [Salt Lake Central station, connectsTo, FrontRunner Ogden–Provo line]
Generated description
The FrontRunner Ogden–Provo line is a Utah Transit Authority commuter rail route that runs along the Wasatch Front, linking the cities of Ogden, Salt Lake City, and Provo.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: FrontRunner Ogden–Provo line Target entity description: The FrontRunner Ogden–Provo line is a Utah Transit Authority commuter rail route that runs along the Wasatch Front, linking the cities of Ogden, Salt Lake City, and Provo.
-
A.
Orem FrontRunner station
Orem FrontRunner station is a commuter rail stop in Orem, Utah, served by the Utah Transit Authority’s FrontRunner line connecting cities along the Wasatch Front.
-
B.
Salt Lake City–St. George route
The Salt Lake City–St. George route is a major transportation corridor in Utah connecting the state’s capital with its southwestern region, including cities like St. George, and serving as a key link for regional travel and commerce.
-
C.
American Fork FrontRunner station
American Fork FrontRunner station is a commuter rail station in American Fork, Utah, serving Utah Transit Authority’s FrontRunner line along the Wasatch Front.
-
D.
Salt Lake City TRAX
Salt Lake City TRAX is a light rail transit system serving the Salt Lake City metropolitan area in Utah, operated by the Utah Transit Authority.
-
E.
San Pedro, Los Angeles and Salt Lake Railroad
The San Pedro, Los Angeles and Salt Lake Railroad was an early 20th-century rail line that connected Los Angeles, California, with Salt Lake City, Utah, playing a key role in the development of the American Southwest.
- 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_69d886d5f34c8190b24564dfaa63f3fb |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3fc0c329081909f118bd4b7be8653 |
completed | April 18, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0148435f6081909bfc6cc1ef59d971 |
completed | May 11, 2026, 3:08 a.m. |
| NEDg | Description generation | batch_6a014a4fdcf081908be68b1eda2066df |
completed | May 11, 2026, 3:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a014adf25808190ad712fbd7560e91d |
completed | May 11, 2026, 3:19 a.m. |
Created at: April 10, 2026, 5:37 a.m.