Triple

T18826721
Position Surface form Disambiguated ID Type / Status
Subject Nawalapitiya E460405 entity
Predicate railwayLine P848 FINISHED
Object Main Line
The Main Line is a major railway route in Sri Lanka that runs from Colombo into the central highlands, serving key towns and scenic hill-country destinations.
E1344780 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: Main Line | Statement: [Nawalapitiya, railwayLine, Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Main Line
Context triple: [Nawalapitiya, railwayLine, Main Line]
  • A. Main Line
    The Main Line is a key commuter rail corridor in northern New Jersey that connects Hoboken and New York–bound services to various suburban communities as part of the NJ Transit rail network.
  • B. Main Line
    Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a backbone for many of its branch lines.
  • C. Main Line, Philadelphia
    Main Line, Philadelphia is an affluent suburban region northwest of downtown Philadelphia, known for its historic commuter rail communities, prestigious colleges, and upscale residential neighborhoods.
  • D. The Main Line
    "The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
  • E. Ou Main Line
    The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
  • 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: Main Line
Triple: [Nawalapitiya, railwayLine, Main Line]
Generated description
The Main Line is a major railway route in Sri Lanka that runs from Colombo into the central highlands, serving key towns and scenic hill-country destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Main Line
Target entity description: The Main Line is a major railway route in Sri Lanka that runs from Colombo into the central highlands, serving key towns and scenic hill-country destinations.
  • A. Main Line
    Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a backbone for many of its branch lines.
  • B. Main Line
    The Main Line is a key commuter rail corridor in northern New Jersey that connects Hoboken and New York–bound services to various suburban communities as part of the NJ Transit rail network.
  • C. Main Line, Philadelphia
    Main Line, Philadelphia is an affluent suburban region northwest of downtown Philadelphia, known for its historic commuter rail communities, prestigious colleges, and upscale residential neighborhoods.
  • D. The Main Line
    "The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
  • E. Ou Main Line
    The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
  • 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_69d8dcf94c288190a06dea029ae4b223 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5a6bec7b08190b040ec8b3693f037 completed April 20, 2026, 4:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a055bd068588190bc34b99796e1a3e1 completed May 14, 2026, 5:21 a.m.
NEDg Description generation batch_6a0560c0ef4c819082b51fd8cee8c738 completed May 14, 2026, 5:42 a.m.
NED2 Entity disambiguation (via description) batch_6a05615a8a7481908ec4c6f9835ca616 completed May 14, 2026, 5:44 a.m.
Created at: April 10, 2026, 11:56 a.m.