Triple

T5798458
Position Surface form Disambiguated ID Type / Status
Subject Colombo Fort railway station E128563 entity
Predicate connectsTo P845 FINISHED
Object Coastal Line
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
E549466 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: Coastal Line | Statement: [Colombo Fort railway station, connectsTo, Coastal Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Coastal Line
Context triple: [Colombo Fort railway station, connectsTo, Coastal Line]
  • A. Eastern Line
    The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland rail network.
  • B. Suburban Line
    The Suburban Line is a commuter rail service of the Beijing Subway system that connects the city center with outlying suburban districts.
  • C. Myrtle Avenue Line
    The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
  • D. Heritage Corridor line
    The Heritage Corridor line is a Metra commuter rail service in the Chicago area that runs southwest from downtown Chicago to Joliet, primarily following the historic Illinois & Michigan Canal corridor.
  • E. Coast Line
    Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
  • 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: Coastal Line
Triple: [Colombo Fort railway station, connectsTo, Coastal Line]
Generated description
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Coastal Line
Target entity description: Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
  • A. Eastern Line
    The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland rail network.
  • B. Suburban Line
    The Suburban Line is a commuter rail service of the Beijing Subway system that connects the city center with outlying suburban districts.
  • C. Myrtle Avenue Line
    The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
  • D. Heritage Corridor line
    The Heritage Corridor line is a Metra commuter rail service in the Chicago area that runs southwest from downtown Chicago to Joliet, primarily following the historic Illinois & Michigan Canal corridor.
  • E. Coast Line
    Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
  • 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_69c00845ca68819081a2ce3ecca577f7 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02a959b108190a7408560e1b34cd2 completed March 22, 2026, 5:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0a17bb5908190849f7e84ba18b0e3 completed March 23, 2026, 2:12 a.m.
NEDg Description generation batch_69c0a1fc8d888190baf5547a43b87bb6 completed March 23, 2026, 2:14 a.m.
NED2 Entity disambiguation (via description) batch_69c0a260a0e48190a72805ba2c925c20 completed March 23, 2026, 2:16 a.m.
Created at: March 22, 2026, 3:51 p.m.