Triple

T16132003
Position Surface form Disambiguated ID Type / Status
Subject Kurla railway station E391420 entity
Predicate hasStationCode P1289 FINISHED
Object CSTM-K
CSTM-K is the station code used for Kurla railway station, a major suburban and intercity rail hub in Mumbai, India.
E1195305 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: CSTM-K | Statement: [Kurla railway station, hasStationCode, CSTM-K]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CSTM-K
Context triple: [Kurla railway station, hasStationCode, CSTM-K]
  • A. CST
    CST is a North American time standard that is six hours behind Coordinated Universal Time (UTC−6), commonly used in the central regions of the United States, Canada, and parts of Mexico.
  • B. CST
    CST is the abbreviation for the Communications Security Establishment, Canada’s national cryptologic agency responsible for foreign signals intelligence and cybersecurity.
  • C. CST
    CST is the abbreviation for the University of Chicago’s Committee on Social Thought, an interdisciplinary graduate program bringing together scholars from the humanities, social sciences, and related fields.
  • D. CST
    CST is the Toulouse Space Centre, a major French facility dedicated to space research, satellite operations, and mission control.
  • E. CST
    CST is the commonly used abbreviation for the Collective Security Treaty, a post-Soviet mutual defense agreement among several Eurasian states.
  • 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: CSTM-K
Triple: [Kurla railway station, hasStationCode, CSTM-K]
Generated description
CSTM-K is the station code used for Kurla railway station, a major suburban and intercity rail hub in Mumbai, India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: CSTM-K
Target entity description: CSTM-K is the station code used for Kurla railway station, a major suburban and intercity rail hub in Mumbai, India.
  • A. CST
    CST is the abbreviation for the Communications Security Establishment, Canada’s national cryptologic agency responsible for foreign signals intelligence and cybersecurity.
  • B. CST
    CST is the Toulouse Space Centre, a major French facility dedicated to space research, satellite operations, and mission control.
  • C. CST
    CST is a North American time standard that is six hours behind Coordinated Universal Time (UTC−6), commonly used in the central regions of the United States, Canada, and parts of Mexico.
  • D. CST
    CST is the National Rail station code for London Cannon Street railway station in central London.
  • E. CST
    CST is the abbreviation for the University of Chicago’s Committee on Social Thought, an interdisciplinary graduate program bringing together scholars from the humanities, social sciences, and related fields.
  • 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_69d87f1bb0988190b490d273dbf3fd03 completed April 10, 2026, 4:39 a.m.
NER Named-entity recognition batch_69e21a02172c8190978f7951ccd80928 completed April 17, 2026, 11:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69fff2b1b7248190a1bba4a87db8318b completed May 10, 2026, 2:51 a.m.
NEDg Description generation batch_69fff3478bfc8190bbcc0afbf6dbb089 completed May 10, 2026, 2:53 a.m.
NED2 Entity disambiguation (via description) batch_69fff3d29f50819093a9355d016f48dd completed May 10, 2026, 2:56 a.m.
Created at: April 10, 2026, 5:01 a.m.