Triple

T12756362
Position Surface form Disambiguated ID Type / Status
Subject City and South London Railway E304869 entity
Predicate laterNorthernTerminus P106167 FINISHED
Object Moorgate Street
Moorgate Street was a central London railway terminus that served as the northern endpoint of the pioneering deep-level City and South London Railway.
E1137359 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: Moorgate Street | Statement: [City and South London Railway, laterNorthernTerminus, Moorgate Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Moorgate Street
Context triple: [City and South London Railway, laterNorthernTerminus, Moorgate Street]
  • A. Gerrard Street
    Gerrard Street is the central thoroughfare of London’s Chinatown, known for its dense concentration of Chinese restaurants, supermarkets, and cultural landmarks.
  • B. Keele Street
    Keele Street is a significant north–south arterial road in the Greater Toronto Area, running through York and several other communities in Ontario, Canada.
  • C. Merton Street
    Merton Street is a historic street in central Oxford, England, known for its traditional architecture and proximity to several University of Oxford colleges.
  • D. Gower Street
    Gower Street is a major north–south thoroughfare in Hollywood, Los Angeles, known for running through the heart of the entertainment district near numerous studios and landmarks.
  • E. Gower Street
    Gower Street is a major thoroughfare in central London’s Bloomsbury district, known for its concentration of University College London buildings and other academic institutions.
  • 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: Moorgate Street
Triple: [City and South London Railway, laterNorthernTerminus, Moorgate Street]
Generated description
Moorgate Street was a central London railway terminus that served as the northern endpoint of the pioneering deep-level City and South London Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Moorgate Street
Target entity description: Moorgate Street was a central London railway terminus that served as the northern endpoint of the pioneering deep-level City and South London Railway.
  • A. Gerrard Street
    Gerrard Street is the central thoroughfare of London’s Chinatown, known for its dense concentration of Chinese restaurants, supermarkets, and cultural landmarks.
  • B. Keele Street
    Keele Street is a significant north–south arterial road in the Greater Toronto Area, running through York and several other communities in Ontario, Canada.
  • C. Merton Street
    Merton Street is a historic street in central Oxford, England, known for its traditional architecture and proximity to several University of Oxford colleges.
  • D. Gower Street
    Gower Street is a major thoroughfare in central London’s Bloomsbury district, known for its concentration of University College London buildings and other academic institutions.
  • E. Gower Street
    Gower Street is a major north–south thoroughfare in Hollywood, Los Angeles, known for running through the heart of the entertainment district near numerous studios and landmarks.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: laterNorthernTerminus
Context triple: [City and South London Railway, laterNorthernTerminus, Moorgate Street]
  • A. northernTerminusConnects
    Indicates that a route, line, or pathway connects to or ends at a specified location at its northernmost terminus.
  • B. northernTerminusCity
    Indicates that one city serves as the northern endpoint or final stop of a route, line, or corridor relative to another location.
  • C. northernTerminusVariant chosen
    Indicates that one location or feature serves as an alternative or variant northern endpoint of a route, line, or path.
  • D. northernTerminusRegion
    Indicates that a location or route has its northern endpoint or final stopping point within a specified region.
  • E. northernTerminusMunicipality
    Indicates that a municipality serves as the northern endpoint or terminus of a route, line, or similar linear feature.
  • 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_69d7bdf1fcd081909ffb0e0d6fa3a07d completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96d8b57b88190b29b8fdca415c81c completed April 10, 2026, 9:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69feadf5e520819090c3211a1992d463 completed May 9, 2026, 3:45 a.m.
NEDg Description generation batch_69feb2ce28388190945d6a22cf56ce3f completed May 9, 2026, 4:06 a.m.
NED2 Entity disambiguation (via description) batch_69feb325f9e881908e80126dc2f25e58 completed May 9, 2026, 4:08 a.m.
PD Predicate disambiguation batch_69d96406e97c8190b79081039847115c completed April 10, 2026, 8:56 p.m.
Created at: April 9, 2026, 5:27 p.m.