Triple

T11240024
Position Surface form Disambiguated ID Type / Status
Subject Petaluma, California E266046 entity
Predicate hasRailStation P726 FINISHED
Object Petaluma Downtown station
Petaluma Downtown station is a Sonoma–Marin Area Rail Transit (SMART) commuter rail station serving the historic downtown area of Petaluma, California.
 E913376 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: Petaluma Downtown station | Statement: [Petaluma, California, hasRailStation, Petaluma Downtown station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Petaluma Downtown station
Context triple: [Petaluma, California, hasRailStation, Petaluma Downtown station]
  • A. Palo Alto station
    Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
  • B. Daly City station
    Daly City station is a Bay Area Rapid Transit (BART) rapid transit station serving the city of Daly City just south of San Francisco, California.
  • C. Hillsdale Caltrain station
    Hillsdale Caltrain station is a commuter rail stop in San Mateo, California, serving Caltrain passengers along the San Francisco Peninsula.
  • D. Santa Rosa station
    Santa Rosa station is a transit stop on Line 4A of the local rail network, serving passengers in its surrounding urban area.
  • E. Emeryville station
    Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
  • 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: Petaluma Downtown station
Triple: [Petaluma, California, hasRailStation, Petaluma Downtown station]
Generated description
Petaluma Downtown station is a Sonoma–Marin Area Rail Transit (SMART) commuter rail station serving the historic downtown area of Petaluma, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Petaluma Downtown station
Target entity description: Petaluma Downtown station is a Sonoma–Marin Area Rail Transit (SMART) commuter rail station serving the historic downtown area of Petaluma, California.
  • A. Palo Alto station
    Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
  • B. Daly City station
    Daly City station is a Bay Area Rapid Transit (BART) rapid transit station serving the city of Daly City just south of San Francisco, California.
  • C. Hillsdale Caltrain station
    Hillsdale Caltrain station is a commuter rail stop in San Mateo, California, serving Caltrain passengers along the San Francisco Peninsula.
  • D. Santa Rosa station
    Santa Rosa station is a transit stop on Line 4A of the local rail network, serving passengers in its surrounding urban area.
  • E. Emeryville station
    Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
  • 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_69d6aac656d48190b275efaa7d6074ee completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e918375081908c2a7ccb50cbf331 completed April 9, 2026, 5:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4ad79e4788190af39186f37600a64 completed April 19, 2026, 10:24 a.m.
NEDg Description generation batch_69e4b12eee348190bee6c84587e4955d completed April 19, 2026, 10:40 a.m.
NED2 Entity disambiguation (via description) batch_69e4be2bb8c88190a21773b0c43b6b99 completed April 19, 2026, 11:36 a.m.
Created at: April 8, 2026, 9:30 p.m.