Triple

T9369902
Position Surface form Disambiguated ID Type / Status
Subject Oakland Coliseum Amtrak station E225501 entity
Predicate hasStationCode P1289 FINISHED
Object OAC
OAC is the Amtrak station code for the Oakland Coliseum station serving rail passengers in Oakland, California.
 E794804 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: OAC | Statement: [Oakland Coliseum Amtrak station, hasStationCode, OAC]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: OAC
Context triple: [Oakland Coliseum Amtrak station, hasStationCode, OAC]
  • A. OACC
    OACC is a community-based cultural organization in Oakland, California that promotes and celebrates Asian and Pacific Islander arts, heritage, and education through performances, exhibitions, and programs.
  • B. ODAC
    ODAC (Old Dominion Athletic Conference) is an NCAA Division III collegiate athletic conference primarily comprising small private colleges in Virginia and surrounding Mid-Atlantic states.
  • C. AACO
    AACO is a regional association that represents and coordinates the interests of Arab airlines and promotes cooperation among them.
  • D. OCCA
    OCCA is the acronym for the Oklahoma Court of Criminal Appeals, the highest state court in Oklahoma for criminal cases.
  • E. OCS
    OCS (Online Charging System) is a real-time telecommunications billing platform that manages and rates service usage, often working with PCRF to enforce charging and policy decisions.
  • 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: OAC
Triple: [Oakland Coliseum Amtrak station, hasStationCode, OAC]
Generated description
OAC is the Amtrak station code for the Oakland Coliseum station serving rail passengers in Oakland, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: OAC
Target entity description: OAC is the Amtrak station code for the Oakland Coliseum station serving rail passengers in Oakland, California.
  • A. OACC
    OACC is a community-based cultural organization in Oakland, California that promotes and celebrates Asian and Pacific Islander arts, heritage, and education through performances, exhibitions, and programs.
  • B. ODAC
    ODAC (Old Dominion Athletic Conference) is an NCAA Division III collegiate athletic conference primarily comprising small private colleges in Virginia and surrounding Mid-Atlantic states.
  • C. AACO
    AACO is a regional association that represents and coordinates the interests of Arab airlines and promotes cooperation among them.
  • D. OCCA
    OCCA is the acronym for the Oklahoma Court of Criminal Appeals, the highest state court in Oklahoma for criminal cases.
  • E. OCS
    OCS (Online Charging System) is a real-time telecommunications billing platform that manages and rates service usage, often working with PCRF to enforce charging and policy decisions.
  • 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_69ca842cbddc819099d71ecec48cf9e5 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd508274d88190a64b79ab731ac6a1 completed April 1, 2026, 5:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69d0f411bb2c819091b67c70956c546b completed April 4, 2026, 11:20 a.m.
NEDg Description generation batch_69d0f5e382d88190bfb61c8e3a6cd646 completed April 4, 2026, 11:28 a.m.
NED2 Entity disambiguation (via description) batch_69d0f6544b008190b220687c5e9abac3 completed April 4, 2026, 11:30 a.m.
Created at: March 30, 2026, 7:43 p.m.