Triple

T1924849
Position Surface form Disambiguated ID Type / Status
Subject Metro C Line E40805 entity
Predicate terminusEast P3569 FINISHED
Object Norwalk station
Norwalk station is a Los Angeles Metro Rail transit station in Norwalk, California, serving as a key eastern endpoint for light rail service in the southeastern Los Angeles area.
E215549 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: Norwalk station | Statement: [Metro C Line, terminusEast, Norwalk station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Norwalk station
Context triple: [Metro C Line, terminusEast, Norwalk station]
  • A. Stamford station
    Stamford station is a major commuter rail hub in Stamford, Connecticut, serving as one of the busiest stops on the Metro-North Railroad and a key gateway between New York City and New England.
  • B. Bridgeport station
    Bridgeport station is a SEPTA rapid transit stop in Bridgeport, Pennsylvania, serving passengers on the Norristown High Speed Line.
  • C. Port Washington station
    Port Washington station is a Long Island Rail Road commuter rail station in Port Washington, New York, serving as the eastern endpoint of the Port Washington Branch.
  • D. Fort Totten station
    Fort Totten station is a major Washington Metro transfer hub in Northeast D.C. where the Red Line intersects with the Green and Yellow Lines.
  • E. Massapequa station
    Massapequa station is a Long Island Rail Road commuter rail stop in Massapequa, New York, serving riders on the busy Babylon Branch between New York City and eastern Long Island.
  • 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: Norwalk station
Triple: [Metro C Line, terminusEast, Norwalk station]
Generated description
Norwalk station is a Los Angeles Metro Rail transit station in Norwalk, California, serving as a key eastern endpoint for light rail service in the southeastern Los Angeles area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Norwalk station
Target entity description: Norwalk station is a Los Angeles Metro Rail transit station in Norwalk, California, serving as a key eastern endpoint for light rail service in the southeastern Los Angeles area.
  • A. Stamford station
    Stamford station is a major commuter rail hub in Stamford, Connecticut, serving as one of the busiest stops on the Metro-North Railroad and a key gateway between New York City and New England.
  • B. Bridgeport station
    Bridgeport station is a SEPTA rapid transit stop in Bridgeport, Pennsylvania, serving passengers on the Norristown High Speed Line.
  • C. Port Washington station
    Port Washington station is a Long Island Rail Road commuter rail station in Port Washington, New York, serving as the eastern endpoint of the Port Washington Branch.
  • D. Fort Totten station
    Fort Totten station is a major Washington Metro transfer hub in Northeast D.C. where the Red Line intersects with the Green and Yellow Lines.
  • E. Massapequa station
    Massapequa station is a Long Island Rail Road commuter rail stop in Massapequa, New York, serving riders on the busy Babylon Branch between New York City and eastern Long Island.
  • 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_69a8864711648190b07bed24ed76258e completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb260da088190ac53bfc9437e112b completed March 7, 2026, 5:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69adf3e881748190b00f125185e91271 completed March 8, 2026, 10:10 p.m.
NEDg Description generation batch_69adf494f0288190bf77285d18fcd3d9 completed March 8, 2026, 10:13 p.m.
NED2 Entity disambiguation (via description) batch_69adf51f49488190b9b0465b4da685c1 completed March 8, 2026, 10:15 p.m.
Created at: March 4, 2026, 7:35 p.m.