Triple

T1752584
Position Surface form Disambiguated ID Type / Status
Subject Howrah E38476 entity
Predicate hasRailwayYard P18851 FINISHED
Object Liluah railway yard
Liluah railway yard is a major railway maintenance and marshalling facility near Howrah in West Bengal, India, known for its workshops and rolling stock operations.
E196590 NE FINISHED

How this triple was built (5 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: Liluah railway yard | Statement: [Howrah, hasRailwayYard, Liluah railway yard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Liluah railway yard
Context triple: [Howrah, hasRailwayYard, Liluah railway yard]
  • A. Pontinha depot
    Pontinha depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
  • B. Jubany Station
    Jubany Station is an Argentine Antarctic research base located on King George Island near the Antarctic Peninsula, supporting scientific studies in fields such as glaciology, biology, and atmospheric science.
  • C. Wellington Yard
    Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
  • D. Damanhur railway station
    Damanhur railway station is a regional train station in the city of Damanhur, Egypt, serving as a stop on the main line between Alexandria and Cairo.
  • E. Irondale rail yard
    Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
  • 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: Liluah railway yard
Triple: [Howrah, hasRailwayYard, Liluah railway yard]
Generated description
Liluah railway yard is a major railway maintenance and marshalling facility near Howrah in West Bengal, India, known for its workshops and rolling stock operations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Liluah railway yard
Target entity description: Liluah railway yard is a major railway maintenance and marshalling facility near Howrah in West Bengal, India, known for its workshops and rolling stock operations.
  • A. Pontinha depot
    Pontinha depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
  • B. Jubany Station
    Jubany Station is an Argentine Antarctic research base located on King George Island near the Antarctic Peninsula, supporting scientific studies in fields such as glaciology, biology, and atmospheric science.
  • C. Wellington Yard
    Wellington Yard is a railway yard associated with Wellington station, used for storing, organizing, and managing trains and rolling stock.
  • D. Damanhur railway station
    Damanhur railway station is a regional train station in the city of Damanhur, Egypt, serving as a stop on the main line between Alexandria and Cairo.
  • E. Irondale rail yard
    Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRailwayYard
Context triple: [Howrah, hasRailwayYard, Liluah railway yard]
  • A. hasRailYard chosen
    Indicates that one entity possesses, contains, or includes a rail yard as part of its facilities or infrastructure.
  • B. hasRailFacility
    Indicates that an entity possesses or is served by a rail-related facility, such as a railway station, terminal, or yard.
  • C. hasRailwayZone
    Indicates that a location or railway entity falls under the jurisdiction or coverage area of a specific railway zone.
  • D. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • E. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • F. None of above.

Provenance (6 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_69a8862bdb2081908aefe831c8aa8017 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aba6a63f588190b53b39c6b97d74f4 completed March 7, 2026, 4:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69ada0e625c48190a0fbda31010bdc5f completed March 8, 2026, 4:16 p.m.
NEDg Description generation batch_69ada1e13d408190b393c00c331125a2 completed March 8, 2026, 4:20 p.m.
NED2 Entity disambiguation (via description) batch_69ada292a34c8190a566c2909342ab27 completed March 8, 2026, 4:23 p.m.
PD Predicate disambiguation batch_69aa61c7ef4c8190abec87c96a787d82 completed March 6, 2026, 5:10 a.m.
Created at: March 4, 2026, 7:31 p.m.