Triple

T89963
Position Surface form Disambiguated ID Type / Status
Subject MBTA bus network E1808 entity
Predicate serves P98 FINISHED
Object Watertown Square
Watertown Square is a major transit and commercial hub in Watertown, Massachusetts, functioning as a key connection point for multiple MBTA bus routes and local activity.
E34563 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: Watertown Square | Statement: [MBTA bus network, serves, Watertown Square]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Watertown Square
Context triple: [MBTA bus network, serves, Watertown Square]
  • A. Quincy Market
    Quincy Market is a historic 19th-century marketplace in downtown Boston, now a popular destination for food, shopping, and tourism.
  • B. Palmer Square
    Palmer Square is a prominent mixed-use town square in downtown Princeton, New Jersey, known for its upscale shops, restaurants, offices, and public gathering spaces adjacent to Princeton University.
  • C. Central Square
    Central Square is a vibrant commercial and cultural district in Cambridge, Massachusetts, known for its diverse restaurants, nightlife, music venues, and arts scene.
  • D. Porter Square
    Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
  • E. Copley Square, Boston
    Copley Square, Boston is a prominent public square in the Back Bay neighborhood known for its historic architecture, cultural institutions, and role as the traditional finish area of the Boston Marathon.
  • 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: Watertown Square
Triple: [MBTA bus network, serves, Watertown Square]
Generated description
Watertown Square is a major transit and commercial hub in Watertown, Massachusetts, functioning as a key connection point for multiple MBTA bus routes and local activity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Watertown Square
Target entity description: Watertown Square is a major transit and commercial hub in Watertown, Massachusetts, functioning as a key connection point for multiple MBTA bus routes and local activity.
  • A. Quincy Market
    Quincy Market is a historic 19th-century marketplace in downtown Boston, now a popular destination for food, shopping, and tourism.
  • B. Palmer Square
    Palmer Square is a prominent mixed-use town square in downtown Princeton, New Jersey, known for its upscale shops, restaurants, offices, and public gathering spaces adjacent to Princeton University.
  • C. Central Square
    Central Square is a vibrant commercial and cultural district in Cambridge, Massachusetts, known for its diverse restaurants, nightlife, music venues, and arts scene.
  • D. Porter Square
    Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
  • E. Copley Square, Boston
    Copley Square, Boston is a prominent public square in the Back Bay neighborhood known for its historic architecture, cultural institutions, and role as the traditional finish area of the Boston Marathon.
  • 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_69a24d1a97dc819094e6c021fe9b05a7 completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a383e3575c8190932dcdc25503d06e completed March 1, 2026, 12:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69a389a6c2b4819094e37228814942ad completed March 1, 2026, 12:34 a.m.
NEDg Description generation batch_69a38a393ad48190a434adddaa680f5a completed March 1, 2026, 12:37 a.m.
NED2 Entity disambiguation (via description) batch_69a38a8c01e48190ab8f66f17363fa65 completed March 1, 2026, 12:38 a.m.
Created at: Feb. 28, 2026, 2:07 a.m.