Triple

T22231138
Position Surface form Disambiguated ID Type / Status
Subject Puttalam Line E549467 entity
Predicate hasIntermediateStation P24280 FINISHED
Object Nattandiya railway station
Nattandiya railway station is a local passenger rail stop in Sri Lanka situated along the Puttalam Line, serving the town of Nattandiya and surrounding areas.
E1525705 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: Nattandiya railway station | Statement: [Puttalam Line, hasIntermediateStation, Nattandiya railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nattandiya railway station
Context triple: [Puttalam Line, hasIntermediateStation, Nattandiya railway station]
  • A. Nalgonda railway station
    Nalgonda railway station is a regional rail hub in Telangana, India, serving the town of Nalgonda with passenger and express train connections.
  • B. Khandala railway station
    Khandala railway station is a small hill-station stop on the Mumbai–Pune railway route in Maharashtra, India, serving the popular tourist town of Khandala in the Western Ghats.
  • C. Nandgaon railway station
    Nandgaon railway station is a local rail transit stop in Nandgaon, India, providing passenger train services and connectivity to surrounding regions.
  • D. Tandur railway station
    Tandur railway station is a regional rail stop in Telangana, India, serving the town of Tandur on routes managed by the Hyderabad railway division of South Central Railway.
  • E. Palani railway station
    Palani railway station is a regional rail hub in Tamil Nadu, India, serving the pilgrimage town of Palani and providing connectivity to major cities in the region.
  • 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: Nattandiya railway station
Triple: [Puttalam Line, hasIntermediateStation, Nattandiya railway station]
Generated description
Nattandiya railway station is a local passenger rail stop in Sri Lanka situated along the Puttalam Line, serving the town of Nattandiya and surrounding areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nattandiya railway station
Target entity description: Nattandiya railway station is a local passenger rail stop in Sri Lanka situated along the Puttalam Line, serving the town of Nattandiya and surrounding areas.
  • A. Nalgonda railway station
    Nalgonda railway station is a regional rail hub in Telangana, India, serving the town of Nalgonda with passenger and express train connections.
  • B. Khandala railway station
    Khandala railway station is a small hill-station stop on the Mumbai–Pune railway route in Maharashtra, India, serving the popular tourist town of Khandala in the Western Ghats.
  • C. Nandgaon railway station
    Nandgaon railway station is a local rail transit stop in Nandgaon, India, providing passenger train services and connectivity to surrounding regions.
  • D. Tandur railway station
    Tandur railway station is a regional rail stop in Telangana, India, serving the town of Tandur on routes managed by the Hyderabad railway division of South Central Railway.
  • E. Palani railway station
    Palani railway station is a regional rail hub in Tamil Nadu, India, serving the pilgrimage town of Palani and providing connectivity to major cities in the region.
  • 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_69e11e4102b881909cf47d3768e25c19 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12bf2a26c81908aaf614d7c75e219 completed April 28, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0aae77b9888190a975e78d442512b2 completed May 18, 2026, 6:15 a.m.
NEDg Description generation batch_6a0aaf0f47948190b602d1016badc21c completed May 18, 2026, 6:17 a.m.
NED2 Entity disambiguation (via description) batch_6a0ab0befa5481909d00cb845dd67b12 completed May 18, 2026, 6:25 a.m.
Created at: April 16, 2026, 8:38 p.m.