Triple

T8257230
Position Surface form Disambiguated ID Type / Status
Subject Tama Monorail E193100 entity
Predicate terminus P388 FINISHED
Object Tama-Center Station
Tama-Center Station is a major railway hub in Tama, Tokyo, serving multiple lines and providing access to nearby commercial and entertainment facilities.
E721182 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: Tama-Center Station | Statement: [Tama Monorail, terminus, Tama-Center Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tama-Center Station
Context triple: [Tama Monorail, terminus, Tama-Center Station]
  • A. Takoma station
    Takoma station is a Washington Metro transit station serving the Takoma neighborhood on the Red Line near the Maryland–D.C. border.
  • B. Convention Center station
    Convention Center station is a light rail stop in downtown San Jose, California, serving the nearby San Jose McEnery Convention Center and surrounding civic and commercial areas.
  • C. Convention Center station
    Convention Center station is a MetroLink light rail stop serving the downtown area of St. Louis, Missouri, near its convention and event facilities.
  • D. Convention Center station
    Convention Center station is a light rail stop in downtown Baltimore, Maryland, serving the Baltimore Light RailLink system near the Baltimore Convention Center.
  • E. Tuxedo station
    Tuxedo station is a commuter rail stop in Tuxedo, New York, serving passengers on the Port Jervis Line between New York City and Orange County.
  • 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: Tama-Center Station
Triple: [Tama Monorail, terminus, Tama-Center Station]
Generated description
Tama-Center Station is a major railway hub in Tama, Tokyo, serving multiple lines and providing access to nearby commercial and entertainment facilities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tama-Center Station
Target entity description: Tama-Center Station is a major railway hub in Tama, Tokyo, serving multiple lines and providing access to nearby commercial and entertainment facilities.
  • A. Takoma station
    Takoma station is a Washington Metro transit station serving the Takoma neighborhood on the Red Line near the Maryland–D.C. border.
  • B. Convention Center station
    Convention Center station is a light rail stop in downtown Baltimore, Maryland, serving the Baltimore Light RailLink system near the Baltimore Convention Center.
  • C. Convention Center station
    Convention Center station is a MetroLink light rail stop serving the downtown area of St. Louis, Missouri, near its convention and event facilities.
  • D. Convention Center station
    Convention Center station is a light rail stop in downtown San Jose, California, serving the nearby San Jose McEnery Convention Center and surrounding civic and commercial areas.
  • E. Tuxedo station
    Tuxedo station is a commuter rail stop in Tuxedo, New York, serving passengers on the Port Jervis Line between New York City and Orange County.
  • 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78fce9308190ac36512e80b06b52 completed March 31, 2026, 7:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd355bef508190894bd01ec39e83f6 completed April 1, 2026, 3:10 p.m.
NEDg Description generation batch_69cd37a7ea30819094b1c140868fab5f completed April 1, 2026, 3:20 p.m.
NED2 Entity disambiguation (via description) batch_69cd4f0055dc8190803a7c412533aec4 completed April 1, 2026, 4:59 p.m.
Created at: March 30, 2026, 5:49 p.m.