Triple

T20213499
Position Surface form Disambiguated ID Type / Status
Subject Sealdah E493551 entity
Predicate connectsTo P845 FINISHED
Object Hasnabad line
The Hasnabad line is a suburban railway corridor in the Kolkata area of West Bengal, India, serving as part of the Sealdah railway division and connecting the city with its northern and rural outskirts.
E1417885 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: Hasnabad line | Statement: [Sealdah, connectsTo, Hasnabad line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hasnabad line
Context triple: [Sealdah, connectsTo, Hasnabad line]
  • A. Lalamusa–Shorkot Line
    The Lalamusa–Shorkot Line is a railway branch line in Pakistan that connects the city of Lalamusa in Punjab to Shorkot, serving intermediate towns and supporting regional passenger and freight transport.
  • B. Quetta–Taftan Railway Line
    The Quetta–Taftan Railway Line is a key rail route in Pakistan that connects the city of Quetta to the Iranian border at Taftan, facilitating regional trade and cross-border travel.
  • C. Mashhad–Sarakhs railway
    The Mashhad–Sarakhs railway is an international rail line in northeastern Iran that connects the city of Mashhad to the border town of Sarakhs, serving as a key transit route toward Turkmenistan and Central Asia.
  • D. Wadhwan State Railway
    Wadhwan State Railway was a former princely state-owned railway system in western India that later became part of the larger Saurashtra Railway network.
  • E. Tehran–Khorramshahr railway
    The Tehran–Khorramshahr railway is a major Iranian rail line connecting the capital Tehran with the southwestern city and port of Khorramshahr, serving as an important corridor for passenger and freight transport.
  • 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: Hasnabad line
Triple: [Sealdah, connectsTo, Hasnabad line]
Generated description
The Hasnabad line is a suburban railway corridor in the Kolkata area of West Bengal, India, serving as part of the Sealdah railway division and connecting the city with its northern and rural outskirts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hasnabad line
Target entity description: The Hasnabad line is a suburban railway corridor in the Kolkata area of West Bengal, India, serving as part of the Sealdah railway division and connecting the city with its northern and rural outskirts.
  • A. Lalamusa–Shorkot Line
    The Lalamusa–Shorkot Line is a railway branch line in Pakistan that connects the city of Lalamusa in Punjab to Shorkot, serving intermediate towns and supporting regional passenger and freight transport.
  • B. Quetta–Taftan Railway Line
    The Quetta–Taftan Railway Line is a key rail route in Pakistan that connects the city of Quetta to the Iranian border at Taftan, facilitating regional trade and cross-border travel.
  • C. Mashhad–Sarakhs railway
    The Mashhad–Sarakhs railway is an international rail line in northeastern Iran that connects the city of Mashhad to the border town of Sarakhs, serving as a key transit route toward Turkmenistan and Central Asia.
  • D. Wadhwan State Railway
    Wadhwan State Railway was a former princely state-owned railway system in western India that later became part of the larger Saurashtra Railway network.
  • E. Tehran–Khorramshahr railway
    The Tehran–Khorramshahr railway is a major Iranian rail line connecting the capital Tehran with the southwestern city and port of Khorramshahr, serving as an important corridor for passenger and freight transport.
  • 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.