Triple
T8237657
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SPRINTER light rail |
E192450
|
entity |
| Predicate | rightOfWay |
P1777
|
FINISHED |
| Object |
former Escondido Branch of the Atchison, Topeka and Santa Fe Railway
The former Escondido Branch of the Atchison, Topeka and Santa Fe Railway is a historic Southern California rail corridor now repurposed as the right-of-way for the SPRINTER light rail line in northern San Diego County.
|
E720857
|
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: former Escondido Branch of the Atchison, Topeka and Santa Fe Railway | Statement: [SPRINTER light rail, rightOfWay, former Escondido Branch of the Atchison, Topeka and Santa Fe Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: former Escondido Branch of the Atchison, Topeka and Santa Fe Railway Context triple: [SPRINTER light rail, rightOfWay, former Escondido Branch of the Atchison, Topeka and Santa Fe Railway]
-
A.
San Bernardino–Santa Fe Depot
San Bernardino–Santa Fe Depot is a historic Mission Revival–style train station in San Bernardino, California, that has long served as a major regional rail hub.
-
B.
BNSF Railway Monticello Subdivision
The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
-
C.
BNSF San Bernardino Subdivision
The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.
-
D.
BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
-
E.
Union Pacific Railway, Southern Branch
The Union Pacific Railway, Southern Branch was a 19th-century rail line that later evolved into the Missouri–Kansas–Texas Railroad, helping open the American Midwest and Southwest to expanded transportation and commerce.
- 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: former Escondido Branch of the Atchison, Topeka and Santa Fe Railway Triple: [SPRINTER light rail, rightOfWay, former Escondido Branch of the Atchison, Topeka and Santa Fe Railway]
Generated description
The former Escondido Branch of the Atchison, Topeka and Santa Fe Railway is a historic Southern California rail corridor now repurposed as the right-of-way for the SPRINTER light rail line in northern San Diego County.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: former Escondido Branch of the Atchison, Topeka and Santa Fe Railway Target entity description: The former Escondido Branch of the Atchison, Topeka and Santa Fe Railway is a historic Southern California rail corridor now repurposed as the right-of-way for the SPRINTER light rail line in northern San Diego County.
-
A.
San Bernardino–Santa Fe Depot
San Bernardino–Santa Fe Depot is a historic Mission Revival–style train station in San Bernardino, California, that has long served as a major regional rail hub.
-
B.
BNSF Railway Monticello Subdivision
The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
-
C.
BNSF San Bernardino Subdivision
The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.
-
D.
BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
-
E.
Union Pacific Railway, Southern Branch
The Union Pacific Railway, Southern Branch was a 19th-century rail line that later evolved into the Missouri–Kansas–Texas Railroad, helping open the American Midwest and Southwest to expanded transportation and commerce.
- 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_69ca82dc8f148190a2c75a98501a7b91 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb783929c081909db1182947755bae |
completed | March 31, 2026, 7:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd3504e6ac8190b4cb12c80a7e7fc0 |
completed | April 1, 2026, 3:08 p.m. |
| NEDg | Description generation | batch_69cd37a47f3c81909491e9b0316c32f0 |
completed | April 1, 2026, 3:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd4ecc8d68819099932b1ecefc0d36 |
completed | April 1, 2026, 4:58 p.m. |
Created at: March 30, 2026, 5:47 p.m.