Triple

T6753465
Position Surface form Disambiguated ID Type / Status
Subject Flatbush Avenue station E154394 entity
Predicate fareSystem P395 FINISHED
Object MTA
MTA is the public transportation authority serving the New York City metropolitan area, operating subways, buses, and commuter rail systems.
E615449 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: MTA | Statement: [Flatbush Avenue station, fareSystem, MTA]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MTA
Context triple: [Flatbush Avenue station, fareSystem, MTA]
  • A. MTA
    MTA is the abbreviated name historically used for Boston’s Metropolitan Transit Authority, the predecessor to today’s MBTA public transit system.
  • B. MTA
    MTA is the commonly used abbreviation for the Maryland Transit Administration, the state agency that operates public transportation services in and around Baltimore, Maryland.
  • C. MTA
    MTA is the main regulated equities market segment of Borsa Italiana, where shares of medium and large Italian and international companies are listed and traded.
  • D. MTA International
    MTA International is a global, multilingual satellite television network operated by the Ahmadiyya Muslim Community to broadcast religious, educational, and cultural programming worldwide.
  • E. MTA International
    MTA International is a segment of the Italian stock exchange dedicated to the listing and trading of international companies’ shares.
  • 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: MTA
Triple: [Flatbush Avenue station, fareSystem, MTA]
Generated description
MTA is the public transportation authority serving the New York City metropolitan area, operating subways, buses, and commuter rail systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MTA
Target entity description: MTA is the public transportation authority serving the New York City metropolitan area, operating subways, buses, and commuter rail systems.
  • A. MTA
    MTA is the commonly used abbreviation for the Maryland Transit Administration, the state agency that operates public transportation services in and around Baltimore, Maryland.
  • B. MTA
    MTA is the abbreviated name historically used for Boston’s Metropolitan Transit Authority, the predecessor to today’s MBTA public transit system.
  • C. MTA
    MTA is the main regulated equities market segment of Borsa Italiana, where shares of medium and large Italian and international companies are listed and traded.
  • D. MTA International
    MTA International is a segment of the Italian stock exchange dedicated to the listing and trading of international companies’ shares.
  • E. MTA International
    MTA International is a global, multilingual satellite television network operated by the Ahmadiyya Muslim Community to broadcast religious, educational, and cultural programming worldwide.
  • 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_69c6880fd5808190be684854081e27dd completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d1f32fa08190bb23dc24fef14c8d completed March 27, 2026, 6:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69c70b1c4594819084716e21b16191e3 completed March 27, 2026, 10:56 p.m.
NEDg Description generation batch_69c70c4111848190906b0e43cf4ae325 completed March 27, 2026, 11:01 p.m.
NED2 Entity disambiguation (via description) batch_69c70cbb8644819091a8a9c061dfd605 completed March 27, 2026, 11:03 p.m.
Created at: March 27, 2026, 2:11 p.m.