Triple

T7126156
Position Surface form Disambiguated ID Type / Status
Subject MBTA Green Line B branch E166066 entity
Predicate hasStop P17789 FINISHED
Object Chiswick Road station
Chiswick Road station is a light rail stop in Boston, Massachusetts, serving passengers on the MBTA Green Line’s B branch.
 E652797 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: Chiswick Road station | Statement: [MBTA Green Line B branch, hasStop, Chiswick Road station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chiswick Road station
Context triple: [MBTA Green Line B branch, hasStop, Chiswick Road station]
  • A. Ealing Common station
    Ealing Common station is a London Underground station in West London serving the District and Piccadilly lines.
  • B. Chiswick railway station
    Chiswick railway station is a suburban rail station in West London serving the Chiswick area on the Hounslow Loop Line.
  • C. Ealing Broadway station
    Ealing Broadway station is a major railway and London Underground interchange in west London, serving as a key hub for services between central London and the suburbs.
  • D. South Ealing station
    South Ealing station is a London Underground station in the London Borough of Ealing, served by the Piccadilly line.
  • E. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • 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: Chiswick Road station
Triple: [MBTA Green Line B branch, hasStop, Chiswick Road station]
Generated description
Chiswick Road station is a light rail stop in Boston, Massachusetts, serving passengers on the MBTA Green Line’s B branch.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chiswick Road station
Target entity description: Chiswick Road station is a light rail stop in Boston, Massachusetts, serving passengers on the MBTA Green Line’s B branch.
  • A. Ealing Common station
    Ealing Common station is a London Underground station in West London serving the District and Piccadilly lines.
  • B. Chiswick railway station
    Chiswick railway station is a suburban rail station in West London serving the Chiswick area on the Hounslow Loop Line.
  • C. Ealing Broadway station
    Ealing Broadway station is a major railway and London Underground interchange in west London, serving as a key hub for services between central London and the suburbs.
  • D. South Ealing station
    South Ealing station is a London Underground station in the London Borough of Ealing, served by the Piccadilly line.
  • E. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • 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_69c6888350588190870cd552b427a1cd completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e64d99888190a93c1822e19b5457 completed March 27, 2026, 8:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7daff33bc8190825078d791ff0b3a completed March 28, 2026, 1:43 p.m.
NEDg Description generation batch_69c7db989e548190b6f41e62b17a63cb completed March 28, 2026, 1:46 p.m.
NED2 Entity disambiguation (via description) batch_69c7dc06d7808190906b7f710e7d9843 completed March 28, 2026, 1:47 p.m.
Created at: March 27, 2026, 2:44 p.m.