Triple

T1112695
Position Surface form Disambiguated ID Type / Status
Subject Colombo E11029 entity
Predicate hasRailwayStation P918 FINISHED
Object Colombo Fort railway station
Colombo Fort railway station is the main railway hub in Colombo, Sri Lanka, serving as a central junction for both suburban and long-distance train services across the country.
E128563 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: Colombo Fort railway station | Statement: [Colombo, hasRailwayStation, Colombo Fort railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Colombo Fort railway station
Context triple: [Colombo, hasRailwayStation, Colombo Fort railway station]
  • A. Chennai Egmore railway station
    Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
  • B. Chennai Central railway station
    Chennai Central railway station is a major historic railway terminus and one of the busiest transport hubs in South India, serving as a key gateway to the city of Chennai and beyond.
  • C. Bala station
    Bala station is a regional rail stop in the Bala Cynwyd neighborhood of Philadelphia, Pennsylvania, served by SEPTA's Cynwyd Line.
  • D. Wellington station
    Wellington station is a Massachusetts Bay Transportation Authority (MBTA) Orange Line rapid transit station serving the city of Malden, Massachusetts.
  • E. Tirupati railway station
    Tirupati railway station is a major rail hub in Andhra Pradesh, India, serving as the primary gateway for pilgrims visiting the famous Tirumala Venkateswara Temple.
  • 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: Colombo Fort railway station
Triple: [Colombo, hasRailwayStation, Colombo Fort railway station]
Generated description
Colombo Fort railway station is the main railway hub in Colombo, Sri Lanka, serving as a central junction for both suburban and long-distance train services across the country.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Colombo Fort railway station
Target entity description: Colombo Fort railway station is the main railway hub in Colombo, Sri Lanka, serving as a central junction for both suburban and long-distance train services across the country.
  • A. Chennai Egmore railway station
    Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
  • B. Chennai Central railway station
    Chennai Central railway station is a major historic railway terminus and one of the busiest transport hubs in South India, serving as a key gateway to the city of Chennai and beyond.
  • C. Bala station
    Bala station is a regional rail stop in the Bala Cynwyd neighborhood of Philadelphia, Pennsylvania, served by SEPTA's Cynwyd Line.
  • D. Wellington station
    Wellington station is a Massachusetts Bay Transportation Authority (MBTA) Orange Line rapid transit station serving the city of Malden, Massachusetts.
  • E. Tirupati railway station
    Tirupati railway station is a major rail hub in Andhra Pradesh, India, serving as the primary gateway for pilgrims visiting the famous Tirumala Venkateswara Temple.
  • 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_69a493252a648190ac48f8742474a5e8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4bb9ea0748190baaeadf76bacc3dd completed March 1, 2026, 10:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac5395666c8190b709f91315d785c0 completed March 7, 2026, 4:34 p.m.
NEDg Description generation batch_69ac55571e008190a53313b04b9e152c completed March 7, 2026, 4:41 p.m.
NED2 Entity disambiguation (via description) batch_69ac55c3e48c8190a38f8adc2fea5794 completed March 7, 2026, 4:43 p.m.
Created at: March 1, 2026, 7:43 p.m.