Triple
T14502
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Atherton, California, United States |
E289
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object |
Atherton station
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
|
E7425
|
NE FINISHED |
How this triple was built (5 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: Atherton station | Statement: [Atherton, California, United States, hasRailStation, Atherton station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Atherton station Context triple: [Atherton, California, United States, hasRailStation, Atherton station]
-
A.
Hollywood/Highland station
Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
-
B.
Hollywood/Vine station
Hollywood/Vine station is a Los Angeles Metro Rail subway station located at the iconic intersection of Hollywood Boulevard and Vine Street, serving the heart of Hollywood’s entertainment district.
-
C.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
D.
Waverley station
Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
-
E.
Hollywood/Western station
Hollywood/Western station is a Los Angeles Metro Rail subway station on the B Line located in the Hollywood district of Los Angeles, California.
- 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: Atherton station Triple: [Atherton, California, United States, hasRailStation, Atherton station]
Generated description
Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Atherton station Target entity description: Atherton station is a commuter rail stop in Atherton, California, serving Caltrain passengers on the San Francisco Peninsula.
-
A.
Hollywood/Highland station
Hollywood/Highland station is a Los Angeles Metro Rail subway stop on the B Line located in the heart of Hollywood near major attractions like the Dolby Theatre and the Hollywood Walk of Fame.
-
B.
Hollywood/Vine station
Hollywood/Vine station is a Los Angeles Metro Rail subway station located at the iconic intersection of Hollywood Boulevard and Vine Street, serving the heart of Hollywood’s entertainment district.
-
C.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
D.
Waverley station
Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
-
E.
Hollywood/Western station
Hollywood/Western station is a Los Angeles Metro Rail subway station on the B Line located in the Hollywood district of Los Angeles, California.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasRailStation Context triple: [Atherton, California, United States, hasRailStation, Atherton station]
-
A.
hasRailSystem
Indicates that an entity possesses or is served by a rail-based transportation system.
-
B.
hasLightRailSystem
Indicates that a place possesses and operates a light rail transit system.
-
C.
isRailHubFor
Indicates that a location functions as a central node or interchange point within a rail network for the referenced area, routes, or services.
-
D.
primaryStation
Indicates that one station is designated as the main or principal station associated with another entity or within a given context.
-
E.
hasStreetcarSystem
Indicates that a place possesses or is served by an operational streetcar (tram) transit system.
- F. None of above. chosen
Provenance (7 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_69a23d7ad88c8190bffe8ab091d86642 |
completed | Feb. 28, 2026, 12:57 a.m. |
| NER | Named-entity recognition | batch_69a240b249788190af8dbf7e80e9c91b |
completed | Feb. 28, 2026, 1:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a25aadb9ac8190b35b13454e86df76 |
completed | Feb. 28, 2026, 3:02 a.m. |
| NEDg | Description generation | batch_69a25ba5676881908ac366ed6c0e0d1b |
completed | Feb. 28, 2026, 3:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a25f907d908190a3aafe250cf58919 |
completed | Feb. 28, 2026, 3:22 a.m. |
| PD | Predicate disambiguation | batch_69a23feae8c481908d8c50faac01fc5c |
completed | Feb. 28, 2026, 1:07 a.m. |
| PDg | Predicate description generation | batch_69a240b1551c81908abcae128ea45d00 |
completed | Feb. 28, 2026, 1:11 a.m. |
Created at: Feb. 28, 2026, 1:02 a.m.