Triple

T20213500
Position Surface form Disambiguated ID Type / Status
Subject Sealdah E493551 entity
Predicate connectsTo P845 FINISHED
Object Canning line
The Canning line is a suburban railway corridor in the Kolkata metropolitan area that links the city with the town of Canning in South 24 Parganas.
E1417886 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: Canning line | Statement: [Sealdah, connectsTo, Canning line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Canning line
Context triple: [Sealdah, connectsTo, Canning line]
  • A. Candiac line
    The Candiac line is a commuter rail service in the Greater Montreal area of Quebec, Canada, connecting the suburb of Candiac with downtown Montreal.
  • B. Hi-Line
    The Hi-Line is a sparsely populated region of northern Montana centered along the BNSF Railway and U.S. Highway 2, known for its small towns, prairie landscapes, and agricultural economy.
  • C. Soya Main Line
    The Soya Main Line is a major railway line in Hokkaido, Japan, running through northern regions including Asahikawa and extending toward Wakkanai near Japan’s northernmost point.
  • D. Hy-Line
    Hy-Line is a ferry and cruise company known for providing passenger and high-speed ferry services, particularly around Cape Cod and the islands of Nantucket and Martha’s Vineyard.
  • E. Melling Line
    The Melling Line is a suburban railway line in the Wellington region of New Zealand that provides commuter services between central Wellington and the Hutt Valley.
  • 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: Canning line
Triple: [Sealdah, connectsTo, Canning line]
Generated description
The Canning line is a suburban railway corridor in the Kolkata metropolitan area that links the city with the town of Canning in South 24 Parganas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Canning line
Target entity description: The Canning line is a suburban railway corridor in the Kolkata metropolitan area that links the city with the town of Canning in South 24 Parganas.
  • A. Candiac line
    The Candiac line is a commuter rail service in the Greater Montreal area of Quebec, Canada, connecting the suburb of Candiac with downtown Montreal.
  • B. Hi-Line
    The Hi-Line is a sparsely populated region of northern Montana centered along the BNSF Railway and U.S. Highway 2, known for its small towns, prairie landscapes, and agricultural economy.
  • C. Soya Main Line
    The Soya Main Line is a major railway line in Hokkaido, Japan, running through northern regions including Asahikawa and extending toward Wakkanai near Japan’s northernmost point.
  • D. Hy-Line
    Hy-Line is a ferry and cruise company known for providing passenger and high-speed ferry services, particularly around Cape Cod and the islands of Nantucket and Martha’s Vineyard.
  • E. Melling Line
    The Melling Line is a suburban railway line in the Wellington region of New Zealand that provides commuter services between central Wellington and the Hutt Valley.
  • 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_69da6269614c8190bb40475d9d477358 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e66ed6fe888190b553ba6879cb2d8d completed April 20, 2026, 6:22 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0843f2768c8190b54054fc00c84332 completed May 16, 2026, 10:16 a.m.
NEDg Description generation batch_6a0844fdbc888190bd3a9e02d5f9bcc2 completed May 16, 2026, 10:20 a.m.
NED2 Entity disambiguation (via description) batch_6a0845e473088190a9a87fc83ece73d5 completed May 16, 2026, 10:24 a.m.
Created at: April 11, 2026, 11:38 p.m.