Triple

T1178219
Position Surface form Disambiguated ID Type / Status
Subject MBTA Green Line E25076 entity
Predicate terminus P388 FINISHED
Object Cleveland Circle
Cleveland Circle is a transit hub and neighborhood area in Boston’s Brighton section, best known as the western endpoint of the MBTA Green Line C branch.
E213601 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: Cleveland Circle | Statement: [MBTA Green Line, terminus, Cleveland Circle]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cleveland Circle
Context triple: [MBTA Green Line, terminus, Cleveland Circle]
  • A. Sheridan Circle
    Sheridan Circle is a prominent traffic circle and diplomatic hub in Washington, D.C., known for its embassies and historic monuments along Massachusetts Avenue.
  • B. Islington Avenue
    Islington Avenue is a major north–south arterial road in the Greater Toronto Area, running through several communities including parts of Woodbridge in Vaughan, Ontario.
  • C. Chevy Chase Circle
    Chevy Chase Circle is a landscaped traffic circle and neighborhood landmark on the Washington, D.C.–Maryland border, serving as a key junction and gateway for the surrounding Chevy Chase community.
  • D. Bancroft Way
    Bancroft Way is a major east–west street in Berkeley, California, running along the southern edge of the UC Berkeley campus.
  • E. Clarendon Boulevard
    Clarendon Boulevard is a major arterial street in Arlington, Virginia, running through urban neighborhoods like Courthouse and Clarendon and lined with shops, restaurants, and offices.
  • 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: Cleveland Circle
Triple: [MBTA Green Line, terminus, Cleveland Circle]
Generated description
Cleveland Circle is a transit hub and neighborhood area in Boston’s Brighton section, best known as the western endpoint of the MBTA Green Line C branch.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cleveland Circle
Target entity description: Cleveland Circle is a transit hub and neighborhood area in Boston’s Brighton section, best known as the western endpoint of the MBTA Green Line C branch.
  • A. Sheridan Circle
    Sheridan Circle is a prominent traffic circle and diplomatic hub in Washington, D.C., known for its embassies and historic monuments along Massachusetts Avenue.
  • B. Islington Avenue
    Islington Avenue is a major north–south arterial road in the Greater Toronto Area, running through several communities including parts of Woodbridge in Vaughan, Ontario.
  • C. Chevy Chase Circle
    Chevy Chase Circle is a landscaped traffic circle and neighborhood landmark on the Washington, D.C.–Maryland border, serving as a key junction and gateway for the surrounding Chevy Chase community.
  • D. Bancroft Way
    Bancroft Way is a major east–west street in Berkeley, California, running along the southern edge of the UC Berkeley campus.
  • E. Clarendon Boulevard
    Clarendon Boulevard is a major arterial street in Arlington, Virginia, running through urban neighborhoods like Courthouse and Clarendon and lined with shops, restaurants, and offices.
  • 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_69a494267b4c819088c97a59182bf56a completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bd10ccc481908d5bcef648aab3c1 completed March 1, 2026, 10:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69adeab57c8c81908b1dbdaf7ba4b29b completed March 8, 2026, 9:31 p.m.
NEDg Description generation batch_69adeccddc788190be7ddb822f1b5d67 completed March 8, 2026, 9:40 p.m.
NED2 Entity disambiguation (via description) batch_69aded53100081909239afdc676e45ab completed March 8, 2026, 9:42 p.m.
Created at: March 1, 2026, 7:45 p.m.