Triple

T16758677
Position Surface form Disambiguated ID Type / Status
Subject Castro Valley station E407277 entity
Predicate serves P98 FINISHED
Object East Bay region E45120 NE FINISHED

How this triple was built (2 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: East Bay region | Statement: [Castro Valley station, serves, East Bay region]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East Bay region
Context triple: [Castro Valley station, serves, East Bay region]
  • A. East Bay chosen
    East Bay is a region of the San Francisco Bay Area in Northern California, encompassing cities such as Oakland and Berkeley along the eastern shore of the bay.
  • B. East Bay
    East Bay is a coastal inlet and estuarine body of water in northwest Florida that forms part of the larger Pensacola Bay system.
  • C. East Bay
    East Bay is a coastal inlet and estuarine waterway in Osterville, Massachusetts, known for boating, scenic shoreline, and access to Nantucket Sound.
  • D. East Bay
    East Bay is a shallow coastal bay and estuarine extension of Galveston Bay on the upper Texas Gulf Coast, known for its fisheries, wetlands, and recreational boating.
  • E. East Bay
    East Bay is a sandy seaside area in North Berwick, Scotland, known for its scenic coastline and views across the Firth of Forth.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d8839174188190909f190097207065 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e3abea156c8190a5ee6d0028471810 completed April 18, 2026, 4:06 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00b283a9808190ba76110cf3c7f3a9 completed May 10, 2026, 4:29 p.m.
Created at: April 10, 2026, 5:21 a.m.