Triple

T22215101
Position Surface form Disambiguated ID Type / Status
Subject Main Line (Sri Lanka) E549054 entity
Predicate notableService P22 FINISHED
Object Udarata Menike express train
The Udarata Menike express train is a famous Sri Lankan passenger service that runs through the scenic hill country between Colombo and Badulla, renowned for its picturesque views and popularity with both locals and tourists.
E1526299 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: Udarata Menike express train | Statement: [Main Line (Sri Lanka), notableService, Udarata Menike express train]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Udarata Menike express train
Context triple: [Main Line (Sri Lanka), notableService, Udarata Menike express train]
  • A. Liberator Express
    The Liberator Express was a transport aircraft variant of the Consolidated B-24 Liberator bomber used primarily during World War II for cargo and personnel transport.
  • B. XPT train
    The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
  • C. Silver Meteor (train)
    The Silver Meteor is an Amtrak long-distance passenger train that operates along the U.S. East Coast between New York City and Miami.
  • D. Shinonsen
    Shinonsen is a town in northern Hyōgo Prefecture, Japan, known for its hot spring resorts and scenic coastal and mountainous landscapes.
  • E. Sud Express
    Sud Express is a historic European overnight train service that connected Paris with Lisbon, renowned for its long-distance luxury travel and international route.
  • 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: Udarata Menike express train
Triple: [Main Line (Sri Lanka), notableService, Udarata Menike express train]
Generated description
The Udarata Menike express train is a famous Sri Lankan passenger service that runs through the scenic hill country between Colombo and Badulla, renowned for its picturesque views and popularity with both locals and tourists.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Udarata Menike express train
Target entity description: The Udarata Menike express train is a famous Sri Lankan passenger service that runs through the scenic hill country between Colombo and Badulla, renowned for its picturesque views and popularity with both locals and tourists.
  • A. Liberator Express
    The Liberator Express was a transport aircraft variant of the Consolidated B-24 Liberator bomber used primarily during World War II for cargo and personnel transport.
  • B. XPT train
    The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
  • C. Silver Meteor (train)
    The Silver Meteor is an Amtrak long-distance passenger train that operates along the U.S. East Coast between New York City and Miami.
  • D. Shinonsen
    Shinonsen is a town in northern Hyōgo Prefecture, Japan, known for its hot spring resorts and scenic coastal and mountainous landscapes.
  • E. Sud Express
    Sud Express is a historic European overnight train service that connected Paris with Lisbon, renowned for its long-distance luxury travel and international route.
  • 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_69e11e3f7e04819089806d81d5ac431e completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12b8bdfbc8190832809edbe8b7c27 completed April 28, 2026, 9:50 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0aae692a108190ad7156d9b3c72901 completed May 18, 2026, 6:15 a.m.
NEDg Description generation batch_6a0ab28bc764819083ba5f419d288eab completed May 18, 2026, 6:32 a.m.
NED2 Entity disambiguation (via description) batch_6a0ab32113748190bfd86bcffcf06b76 completed May 18, 2026, 6:35 a.m.
Created at: April 16, 2026, 8:37 p.m.