Triple

T8117029
Position Surface form Disambiguated ID Type / Status
Subject Champion (train) E189500 entity
Predicate railLineUsed P15040 FINISHED
Object Seaboard main line
The Seaboard main line was a principal north–south railroad corridor in the southeastern United States, historically operated by the Seaboard Air Line Railroad and used by prominent passenger trains such as the Champion.
E719733 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: Seaboard main line | Statement: [Champion (train), railLineUsed, Seaboard main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Seaboard main line
Context triple: [Champion (train), railLineUsed, Seaboard main line]
  • A. Sounder South Line
    The Sounder South Line is a commuter rail service in the Seattle metropolitan area that connects downtown Seattle with communities to the south in Washington State.
  • B. North Coast Line
    The North Coast Line is a major railway corridor in New South Wales, Australia, running along the state’s north coast and connecting Sydney with Brisbane and numerous regional centres.
  • C. Southern Main Line
    The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
  • D. South Coast Line
    The South Coast Line is a New South Wales passenger rail service that runs south from Sydney through the Illawarra region to coastal centres such as Wollongong and Kiama.
  • E. East Coast Line
    The East Coast Line is a major Swedish railway route running along the country’s eastern seaboard, connecting key cities and regions including Gävleborg County.
  • 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: Seaboard main line
Triple: [Champion (train), railLineUsed, Seaboard main line]
Generated description
The Seaboard main line was a principal north–south railroad corridor in the southeastern United States, historically operated by the Seaboard Air Line Railroad and used by prominent passenger trains such as the Champion.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Seaboard main line
Target entity description: The Seaboard main line was a principal north–south railroad corridor in the southeastern United States, historically operated by the Seaboard Air Line Railroad and used by prominent passenger trains such as the Champion.
  • A. Sounder South Line
    The Sounder South Line is a commuter rail service in the Seattle metropolitan area that connects downtown Seattle with communities to the south in Washington State.
  • B. North Coast Line
    The North Coast Line is a major railway corridor in New South Wales, Australia, running along the state’s north coast and connecting Sydney with Brisbane and numerous regional centres.
  • C. Southern Main Line
    The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
  • D. South Coast Line
    The South Coast Line is a New South Wales passenger rail service that runs south from Sydney through the Illawarra region to coastal centres such as Wollongong and Kiama.
  • E. East Coast Line
    The East Coast Line is a major Swedish railway route running along the country’s eastern seaboard, connecting key cities and regions including Gävleborg County.
  • 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_69ca82baad008190ab2859712b9b1607 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb43320bf881909f97a235451bb3a4 completed March 31, 2026, 3:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69cced122cf08190b9cf17c3055e5431 completed April 1, 2026, 10:01 a.m.
NEDg Description generation batch_69ccf09a952c8190ace6a9f0012ad90a completed April 1, 2026, 10:16 a.m.
NED2 Entity disambiguation (via description) batch_69cd055292088190927046793cec1c36 completed April 1, 2026, 11:45 a.m.
Created at: March 30, 2026, 5:33 p.m.