Triple
T15574320
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Twin Peaks Tunnel |
E374328
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Castro Station
Castro Station is an underground Muni Metro light rail station in San Francisco’s Castro District, serving as a key stop on the Twin Peaks Tunnel line.
|
E1165291
|
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: Castro Station | Statement: [Twin Peaks Tunnel, hasStation, Castro Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Castro Station Context triple: [Twin Peaks Tunnel, hasStation, Castro Station]
-
A.
Escudero Station
Escudero Station is a Chilean Antarctic research base located on King George Island that supports scientific studies and logistical operations in the region.
-
B.
Luz Station
Luz Station is a historic railway station and major transportation hub in São Paulo, Brazil, known for its distinctive architecture and cultural significance.
-
C.
Toro Station
Toro Station is a railway station in Saitama, Japan, serving local commuters and visitors to nearby attractions such as Omiya Bonsai Village.
-
D.
Shedd’s Station
Shedd’s Station is the original name of the small rural community now known as Shedd in Linn County, Oregon, which developed around a railroad stop in the 19th century.
-
E.
Savage station
Savage station is a commuter rail stop in Savage, Maryland, serving passengers on MARC's Camden Line between Washington, D.C., and Baltimore.
- 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: Castro Station Triple: [Twin Peaks Tunnel, hasStation, Castro Station]
Generated description
Castro Station is an underground Muni Metro light rail station in San Francisco’s Castro District, serving as a key stop on the Twin Peaks Tunnel line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Castro Station Target entity description: Castro Station is an underground Muni Metro light rail station in San Francisco’s Castro District, serving as a key stop on the Twin Peaks Tunnel line.
-
A.
Escudero Station
Escudero Station is a Chilean Antarctic research base located on King George Island that supports scientific studies and logistical operations in the region.
-
B.
Luz Station
Luz Station is a historic railway station and major transportation hub in São Paulo, Brazil, known for its distinctive architecture and cultural significance.
-
C.
Toro Station
Toro Station is a railway station in Saitama, Japan, serving local commuters and visitors to nearby attractions such as Omiya Bonsai Village.
-
D.
Shedd’s Station
Shedd’s Station is the original name of the small rural community now known as Shedd in Linn County, Oregon, which developed around a railroad stop in the 19th century.
-
E.
Savage station
Savage station is a commuter rail stop in Savage, Maryland, serving passengers on MARC's Camden Line between Washington, D.C., and Baltimore.
- 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_69d85ccd575081908909b71a3f3e3a61 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04e2140388190a8df7b835eaa72ce |
completed | April 16, 2026, 2:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff4c4767e48190a180062688cdc245 |
completed | May 9, 2026, 3:01 p.m. |
| NEDg | Description generation | batch_69ff507a84c081909ab592497be644fb |
completed | May 9, 2026, 3:19 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff50f653f48190ae5bd6fcb5665041 |
completed | May 9, 2026, 3:21 p.m. |
Created at: April 10, 2026, 4:10 a.m.