Triple

T15797623
Position Surface form Disambiguated ID Type / Status
Subject Slough E383021 entity
Predicate hasRailwayStation P918 FINISHED
Object Langley railway station
Langley railway station is a suburban rail station serving the Langley area near Slough in Berkshire, England, on the Great Western Main Line.
 E1176794 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Langley railway station | Statement: [Slough, hasRailwayStation, Langley railway station]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Langley railway station
Context triple: [Slough, hasRailwayStation, Langley railway station]
  • A. Dempster station
    Dempster station is a Chicago Transit Authority 'L' station in Evanston, Illinois, serving the Purple Line.
  • B. Meadowbank railway station
    Meadowbank railway station is a suburban train station in Sydney, Australia, serving the Meadowbank area on the Main Northern line.
  • C. Waverley station
    Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
  • D. McEwan Station
    McEwan Station is a light rail transit stop on Edmonton’s LRT network in Edmonton, Alberta, Canada.
  • E. Mount Lavinia railway station
    Mount Lavinia railway station is a key suburban rail stop on Sri Lanka’s coastal line serving the Mount Lavinia area just south of Colombo.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Langley railway station
Target entity description: Langley railway station is a suburban rail station serving the Langley area near Slough in Berkshire, England, on the Great Western Main Line.
  • A. Dempster station
    Dempster station is a Chicago Transit Authority 'L' station in Evanston, Illinois, serving the Purple Line.
  • B. Meadowbank railway station
    Meadowbank railway station is a suburban train station in Sydney, Australia, serving the Meadowbank area on the Main Northern line.
  • C. Waverley station
    Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
  • D. McEwan Station
    McEwan Station is a light rail transit stop on Edmonton’s LRT network in Edmonton, Alberta, Canada.
  • E. Mount Lavinia railway station
    Mount Lavinia railway station is a key suburban rail stop on Sri Lanka’s coastal line serving the Mount Lavinia area just south of Colombo.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Langley railway station
Triple: [Slough, hasRailwayStation, Langley railway station]
Generated description
Langley railway station is a suburban rail station serving the Langley area near Slough in Berkshire, England, on the Great Western Main Line.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d86da16e188190b89af699f1ed0bfe elicitation completed
NER batch_69e0b4def80481908f72733ce9133bc6 ner completed
NED1 batch_69ff90aea81c8190ad8bc0cdedf4b77a ned_source_triple completed
NED2 batch_69ff9435b800819093985b293a541e46 ned_description completed
NEDg batch_69ff93b24828819092841bc02059995d nedg completed
Created at: April 10, 2026, 4:48 a.m.