Triple

T5484687
Position Surface form Disambiguated ID Type / Status
Subject Wilmington, Los Angeles E123549 entity
Predicate transportServedBy P1298 FINISHED
Object Pacific Harbor Line (rail)
Pacific Harbor Line is a shortline railroad that provides switching and rail transportation services to the ports and industrial areas of Los Angeles and Long Beach.
E522652 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: Pacific Harbor Line (rail) | Statement: [Wilmington, Los Angeles, transportServedBy, Pacific Harbor Line (rail)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pacific Harbor Line (rail)
Context triple: [Wilmington, Los Angeles, transportServedBy, Pacific Harbor Line (rail)]
  • A. Western Pacific Railroad
    Western Pacific Railroad was a major American railroad company that operated primarily in the western United States, known for its scenic transcontinental routes and competitive service against larger carriers like the Southern Pacific.
  • B. Georgia Pacific Railway
    Georgia Pacific Railway was a 19th-century American railroad company in the southeastern United States that later became part of the Southern Railway system.
  • C. Northern Pacific
    The Northern Pacific is the northern portion of the Pacific Ocean, encompassing vast open waters and numerous island groups and archipelagos across the Northern Hemisphere.
  • D. Northwestern Pacific Railroad
    The Northwestern Pacific Railroad was a historic rail line in Northern California that connected the San Francisco Bay Area to communities throughout Marin, Sonoma, and Humboldt counties, supporting regional passenger and freight transport.
  • E. Kure Line
    The Kure Line is a Japanese railway line serving the coastal area around Kure in Hiroshima Prefecture, connecting local communities with larger urban centers.
  • 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: Pacific Harbor Line (rail)
Triple: [Wilmington, Los Angeles, transportServedBy, Pacific Harbor Line (rail)]
Generated description
Pacific Harbor Line is a shortline railroad that provides switching and rail transportation services to the ports and industrial areas of Los Angeles and Long Beach.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pacific Harbor Line (rail)
Target entity description: Pacific Harbor Line is a shortline railroad that provides switching and rail transportation services to the ports and industrial areas of Los Angeles and Long Beach.
  • A. Western Pacific Railroad
    Western Pacific Railroad was a major American railroad company that operated primarily in the western United States, known for its scenic transcontinental routes and competitive service against larger carriers like the Southern Pacific.
  • B. Georgia Pacific Railway
    Georgia Pacific Railway was a 19th-century American railroad company in the southeastern United States that later became part of the Southern Railway system.
  • C. Northern Pacific
    The Northern Pacific is the northern portion of the Pacific Ocean, encompassing vast open waters and numerous island groups and archipelagos across the Northern Hemisphere.
  • D. Northwestern Pacific Railroad
    The Northwestern Pacific Railroad was a historic rail line in Northern California that connected the San Francisco Bay Area to communities throughout Marin, Sonoma, and Humboldt counties, supporting regional passenger and freight transport.
  • E. Kure Line
    The Kure Line is a Japanese railway line serving the coastal area around Kure in Hiroshima Prefecture, connecting local communities with larger urban centers.
  • 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_69bd4648883481909e9775d43300c5fa completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd9260d90c819087f34ab24662575d completed March 20, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf48a773f48190b9928a96ae2c17f8 completed March 22, 2026, 1:40 a.m.
NEDg Description generation batch_69bf49ae98dc81909d410d886163a98d completed March 22, 2026, 1:45 a.m.
NED2 Entity disambiguation (via description) batch_69bf4a373d8881908bb704eafb50b5b9 completed March 22, 2026, 1:47 a.m.
Created at: March 20, 2026, 2:10 p.m.