Triple
T4456378
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Warm Springs/South Fremont station |
E97734
|
entity |
| Predicate | servesRegion |
P82
|
FINISHED |
| Object |
South Bay–East Bay commute corridor
The South Bay–East Bay commute corridor is a major regional travel route in the San Francisco Bay Area connecting residential and employment centers between the South Bay and East Bay.
|
E442224
|
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: South Bay–East Bay commute corridor | Statement: [Warm Springs/South Fremont station, servesRegion, South Bay–East Bay commute corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Bay–East Bay commute corridor Context triple: [Warm Springs/South Fremont station, servesRegion, South Bay–East Bay commute corridor]
-
A.
South San Francisco–East Bay route
The South San Francisco–East Bay route is a San Francisco Bay Ferry commuter and transit service connecting South San Francisco with cities on the East Bay shoreline across the San Francisco Bay.
-
B.
Vallejo–San Francisco route
The Vallejo–San Francisco route is a commuter and leisure passenger ferry service across San Pablo Bay linking the city of Vallejo with San Francisco.
-
C.
Alameda/Oakland–San Francisco route
The Alameda/Oakland–San Francisco route is a commuter and tourist ferry service across San Francisco Bay connecting the East Bay cities of Alameda and Oakland with San Francisco.
-
D.
San Joaquin Valley transportation corridor
The San Joaquin Valley transportation corridor is a major north–south route in California’s Central Valley that carries significant highway and rail traffic through key agricultural and population centers.
-
E.
Norwalk–Redondo Beach corridor
The Norwalk–Redondo Beach corridor is a major east–west transit corridor in Los Angeles County served by the Metro C Line, linking inland Norwalk with the coastal city of Redondo Beach.
- 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: South Bay–East Bay commute corridor Triple: [Warm Springs/South Fremont station, servesRegion, South Bay–East Bay commute corridor]
Generated description
The South Bay–East Bay commute corridor is a major regional travel route in the San Francisco Bay Area connecting residential and employment centers between the South Bay and East Bay.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: South Bay–East Bay commute corridor Target entity description: The South Bay–East Bay commute corridor is a major regional travel route in the San Francisco Bay Area connecting residential and employment centers between the South Bay and East Bay.
-
A.
South San Francisco–East Bay route
The South San Francisco–East Bay route is a San Francisco Bay Ferry commuter and transit service connecting South San Francisco with cities on the East Bay shoreline across the San Francisco Bay.
-
B.
Vallejo–San Francisco route
The Vallejo–San Francisco route is a commuter and leisure passenger ferry service across San Pablo Bay linking the city of Vallejo with San Francisco.
-
C.
Alameda/Oakland–San Francisco route
The Alameda/Oakland–San Francisco route is a commuter and tourist ferry service across San Francisco Bay connecting the East Bay cities of Alameda and Oakland with San Francisco.
-
D.
San Joaquin Valley transportation corridor
The San Joaquin Valley transportation corridor is a major north–south route in California’s Central Valley that carries significant highway and rail traffic through key agricultural and population centers.
-
E.
Norwalk–Redondo Beach corridor
The Norwalk–Redondo Beach corridor is a major east–west transit corridor in Los Angeles County served by the Metro C Line, linking inland Norwalk with the coastal city of Redondo Beach.
- 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_69b3454777808190b78aa9047ba1f018 |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b3564216b081908c41109100b36862 |
completed | March 13, 2026, 12:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b6282743e08190a2c84f3b80c6d260 |
completed | March 15, 2026, 3:31 a.m. |
| NEDg | Description generation | batch_69b62af29d3c81908cb82d142c2a55a4 |
completed | March 15, 2026, 3:43 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b62ba4d6c88190b4eaacd09a0b2b66 |
completed | March 15, 2026, 3:46 a.m. |
Created at: March 12, 2026, 11:33 p.m.