Triple

T17362557
Position Surface form Disambiguated ID Type / Status
Subject Kandy railway station E422103 entity
Predicate connectsTo P845 FINISHED
Object Nawalapitiya railway station
Nawalapitiya railway station is a key stop on Sri Lanka’s Main Line railway, serving the town of Nawalapitiya in the Central Province.
 E1265016 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: Nawalapitiya railway station | Statement: [Kandy railway station, connectsTo, Nawalapitiya railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nawalapitiya railway station
Context triple: [Kandy railway station, connectsTo, Nawalapitiya railway station]
  • A. Nagad Railway Station
    Nagad Railway Station is a major railway terminal in Djibouti City that serves as the primary endpoint and international gateway for trains arriving from Ethiopia on the Addis Ababa–Djibouti Railway.
  • B. Senaki railway station
    Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
  • C. Ban Pong railway station
    Ban Pong railway station is a key railway junction in Ratchaburi Province, Thailand, serving as an important stop on the Southern Line of the State Railway of Thailand.
  • D. Banha railway station
    Banha railway station is a key passenger and transport hub on Egypt’s main railway network, serving the city of Banha in the Nile Delta.
  • E. Phusro railway station
    Phusro railway station is a regional rail hub in Jharkhand, India, serving the town of Phusro and its surrounding coal-mining areas with passenger and local train services.
  • 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: Nawalapitiya railway station
Triple: [Kandy railway station, connectsTo, Nawalapitiya railway station]
Generated description
Nawalapitiya railway station is a key stop on Sri Lanka’s Main Line railway, serving the town of Nawalapitiya in the Central Province.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nawalapitiya railway station
Target entity description: Nawalapitiya railway station is a key stop on Sri Lanka’s Main Line railway, serving the town of Nawalapitiya in the Central Province.
  • A. Nagad Railway Station
    Nagad Railway Station is a major railway terminal in Djibouti City that serves as the primary endpoint and international gateway for trains arriving from Ethiopia on the Addis Ababa–Djibouti Railway.
  • B. Senaki railway station
    Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
  • C. Ban Pong railway station
    Ban Pong railway station is a key railway junction in Ratchaburi Province, Thailand, serving as an important stop on the Southern Line of the State Railway of Thailand.
  • D. Banha railway station
    Banha railway station is a key passenger and transport hub on Egypt’s main railway network, serving the city of Banha in the Nile Delta.
  • E. Phusro railway station
    Phusro railway station is a regional rail hub in Jharkhand, India, serving the town of Phusro and its surrounding coal-mining areas with passenger and local train services.
  • 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_69d889d520008190a26917a95bf1c2ea completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e43a4e3c3481909dfaa00334c5010e completed April 19, 2026, 2:13 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01956294ec819083c1dde8fc2685e4 completed May 11, 2026, 8:37 a.m.
NEDg Description generation batch_6a019b7ab6bc8190843e2c6c7f2007d7 completed May 11, 2026, 9:03 a.m.
NED2 Entity disambiguation (via description) batch_6a019c53d8b0819083f380693943f881 completed May 11, 2026, 9:07 a.m.
Created at: April 10, 2026, 5:44 a.m.