Triple

T3025982
Position Surface form Disambiguated ID Type / Status
Subject Colombo–Matara railway line E82574 entity
Predicate hasStation P35 FINISHED
Object Bentota railway station
Bentota railway station is a coastal train station in Sri Lanka serving the resort town of Bentota on the country’s southern railway corridor.
 E323366 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: Bentota railway station | Statement: [Colombo–Matara railway line, hasStation, Bentota railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bentota railway station
Context triple: [Colombo–Matara railway line, hasStation, Bentota railway station]
  • A. Matara railway station
    Matara railway station is a major railway terminus in southern Sri Lanka serving the city of Matara and connecting it to Colombo and other parts of the country.
  • B. 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.
  • C. Thivim railway station
    Thivim railway station is a key rail hub in North Goa, India, serving as a primary access point for popular coastal areas including Calangute and other nearby beaches.
  • D. Sibi Railway Station
    Sibi Railway Station is a key railway junction in Balochistan, Pakistan, serving as an important stop on major national rail routes.
  • E. Bala station
    Bala station is a regional rail stop in the Bala Cynwyd neighborhood of Philadelphia, Pennsylvania, served by SEPTA's Cynwyd Line.
  • 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: Bentota railway station
Triple: [Colombo–Matara railway line, hasStation, Bentota railway station]
Generated description
Bentota railway station is a coastal train station in Sri Lanka serving the resort town of Bentota on the country’s southern railway corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bentota railway station
Target entity description: Bentota railway station is a coastal train station in Sri Lanka serving the resort town of Bentota on the country’s southern railway corridor.
  • A. Matara railway station
    Matara railway station is a major railway terminus in southern Sri Lanka serving the city of Matara and connecting it to Colombo and other parts of the country.
  • B. 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.
  • C. Thivim railway station
    Thivim railway station is a key rail hub in North Goa, India, serving as a primary access point for popular coastal areas including Calangute and other nearby beaches.
  • D. Sibi Railway Station
    Sibi Railway Station is a key railway junction in Balochistan, Pakistan, serving as an important stop on major national rail routes.
  • E. Bala station
    Bala station is a regional rail stop in the Bala Cynwyd neighborhood of Philadelphia, Pennsylvania, served by SEPTA's Cynwyd Line.
  • 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_69ad8b1fb34081908c1b873e2b7273e1 completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad9abc78b48190a5283e7407a78fe7 completed March 8, 2026, 3:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69b1eee9ee148190843184f85077a6df completed March 11, 2026, 10:38 p.m.
NEDg Description generation batch_69b1efcf4da08190a9fd5fd88bba0358 completed March 11, 2026, 10:42 p.m.
NED2 Entity disambiguation (via description) batch_69b1f1ce72388190871884c99526057d completed March 11, 2026, 10:50 p.m.
Created at: March 8, 2026, 3 p.m.