Triple
T7527081
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrolink San Bernardino Line |
E177919
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Fontana station
Fontana station is a commuter rail stop in Fontana, California, serving passengers on Metrolink’s San Bernardino Line in the Inland Empire region.
|
E678658
|
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: Fontana station | Statement: [Metrolink San Bernardino Line, hasStation, Fontana station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fontana station Context triple: [Metrolink San Bernardino Line, hasStation, Fontana station]
-
A.
Fullerton station
Fullerton station is a major Chicago 'L' transit hub in the Lincoln Park neighborhood, serving multiple CTA lines and providing access to DePaul University and the surrounding area.
-
B.
Fullerton station
Fullerton station is a major intermodal rail hub in Fullerton, California, serving Amtrak, Metrolink commuter trains, and local transit connections.
-
C.
Santa Ana station
Santa Ana station is a major intermodal rail and bus transit hub in Santa Ana, California, serving regional commuter rail and Amtrak services.
-
D.
Santa Ana station
Santa Ana station is an underground interchange stop on the Santiago Metro in Chile, serving as a key connection point between multiple lines in the city’s rapid transit network.
-
E.
San Bernardino–Downtown station
San Bernardino–Downtown station is a commuter rail and transit hub in downtown San Bernardino, California, serving Metrolink trains and local bus connections.
- 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: Fontana station Triple: [Metrolink San Bernardino Line, hasStation, Fontana station]
Generated description
Fontana station is a commuter rail stop in Fontana, California, serving passengers on Metrolink’s San Bernardino Line in the Inland Empire region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fontana station Target entity description: Fontana station is a commuter rail stop in Fontana, California, serving passengers on Metrolink’s San Bernardino Line in the Inland Empire region.
-
A.
Fullerton station
Fullerton station is a major Chicago 'L' transit hub in the Lincoln Park neighborhood, serving multiple CTA lines and providing access to DePaul University and the surrounding area.
-
B.
Fullerton station
Fullerton station is a major intermodal rail hub in Fullerton, California, serving Amtrak, Metrolink commuter trains, and local transit connections.
-
C.
Santa Ana station
Santa Ana station is a major intermodal rail and bus transit hub in Santa Ana, California, serving regional commuter rail and Amtrak services.
-
D.
Santa Ana station
Santa Ana station is an underground interchange stop on the Santiago Metro in Chile, serving as a key connection point between multiple lines in the city’s rapid transit network.
-
E.
San Bernardino–Downtown station
San Bernardino–Downtown station is a commuter rail and transit hub in downtown San Bernardino, California, serving Metrolink trains and local bus connections.
- 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_69c69f29bf3081909a146aec7755f185 |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f81cc5748190818443c48c9e3114 |
completed | March 27, 2026, 9:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c87070d8a88190afde21f548d86292 |
completed | March 29, 2026, 12:21 a.m. |
| NEDg | Description generation | batch_69c8723391f48190b60ba8952c9ccca7 |
completed | March 29, 2026, 12:28 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c87401aaa48190b3e44298fcd3f37f |
completed | March 29, 2026, 12:36 a.m. |
Created at: March 27, 2026, 3:47 p.m.