Triple

T20213737
Position Surface form Disambiguated ID Type / Status
Subject Calcutta, Bengal Presidency, British India E493557 entity
Predicate hasTransportInfrastructure P2560 FINISHED
Object Eastern Bengal Railway terminus
The Eastern Bengal Railway terminus was a major colonial-era railway station in Calcutta that served as a key hub for rail connections across eastern Bengal and beyond.
E1417889 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: Eastern Bengal Railway terminus | Statement: [Calcutta, Bengal Presidency, British India, hasTransportInfrastructure, Eastern Bengal Railway terminus]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Eastern Bengal Railway terminus
Context triple: [Calcutta, Bengal Presidency, British India, hasTransportInfrastructure, Eastern Bengal Railway terminus]
  • A. Serampore railway station
    Serampore railway station is a suburban rail station in West Bengal, India, serving the town of Serampore on the Howrah–Bardhaman main line of the Kolkata Suburban Railway network.
  • B. Barrackpore railway station
    Barrackpore railway station is a suburban rail station in West Bengal, India, serving the town of Barrackpore as part of the Kolkata Suburban Railway network.
  • C. Durgapur railway station
    Durgapur railway station is a major rail hub in West Bengal, India, serving the industrial city of Durgapur with regional and long-distance train connections.
  • D. Bongaon Junction railway station
    Bongaon Junction railway station is a key railway junction in West Bengal, India, serving as an important terminal and transit point near the India–Bangladesh border.
  • E. Ranaghat Junction
    Ranaghat Junction is a major railway junction and transit hub in West Bengal, India, serving as an important connection point for regional and suburban rail services in the Nadia district.
  • 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: Eastern Bengal Railway terminus
Triple: [Calcutta, Bengal Presidency, British India, hasTransportInfrastructure, Eastern Bengal Railway terminus]
Generated description
The Eastern Bengal Railway terminus was a major colonial-era railway station in Calcutta that served as a key hub for rail connections across eastern Bengal and beyond.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Eastern Bengal Railway terminus
Target entity description: The Eastern Bengal Railway terminus was a major colonial-era railway station in Calcutta that served as a key hub for rail connections across eastern Bengal and beyond.
  • A. Serampore railway station
    Serampore railway station is a suburban rail station in West Bengal, India, serving the town of Serampore on the Howrah–Bardhaman main line of the Kolkata Suburban Railway network.
  • B. Barrackpore railway station
    Barrackpore railway station is a suburban rail station in West Bengal, India, serving the town of Barrackpore as part of the Kolkata Suburban Railway network.
  • C. Durgapur railway station
    Durgapur railway station is a major rail hub in West Bengal, India, serving the industrial city of Durgapur with regional and long-distance train connections.
  • D. Bongaon Junction railway station
    Bongaon Junction railway station is a key railway junction in West Bengal, India, serving as an important terminal and transit point near the India–Bangladesh border.
  • E. Ranaghat Junction
    Ranaghat Junction is a major railway junction and transit hub in West Bengal, India, serving as an important connection point for regional and suburban rail services in the Nadia district.
  • 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_6a0843f447b481908faa28cc504fcea9 completed May 16, 2026, 10:16 a.m.
NEDg Description generation batch_6a0845367ccc8190b1232173205e750d completed May 16, 2026, 10:21 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.