Triple

T3102460
Position Surface form Disambiguated ID Type / Status
Subject Ball Square E64750 entity
Predicate hasTransitStation P726 FINISHED
Object Ball Square station
Ball Square station is a light rail stop on the MBTA Green Line Extension serving the Ball Square neighborhood in Somerville, Massachusetts.
 E326740 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: Ball Square station | Statement: [Ball Square, hasTransitStation, Ball Square station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ball Square station
Context triple: [Ball Square, hasTransitStation, Ball Square station]
  • A. Judiciary Square station
    Judiciary Square station is an underground Washington Metro station in downtown Washington, D.C., serving the city's judicial and government district.
  • B. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • C. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • D. Thompson Square station
    Thompson Square station was a former railway station in Wellington, New Zealand, that was closed and superseded by the more modern Wellington railway station.
  • E. Stadium Station
    Stadium Station is a light rail station in Seattle’s SoDo neighborhood that primarily serves the nearby sports stadiums and industrial area.
  • 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: Ball Square station
Triple: [Ball Square, hasTransitStation, Ball Square station]
Generated description
Ball Square station is a light rail stop on the MBTA Green Line Extension serving the Ball Square neighborhood in Somerville, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ball Square station
Target entity description: Ball Square station is a light rail stop on the MBTA Green Line Extension serving the Ball Square neighborhood in Somerville, Massachusetts.
  • A. Judiciary Square station
    Judiciary Square station is an underground Washington Metro station in downtown Washington, D.C., serving the city's judicial and government district.
  • B. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • C. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • D. Thompson Square station
    Thompson Square station was a former railway station in Wellington, New Zealand, that was closed and superseded by the more modern Wellington railway station.
  • E. Stadium Station
    Stadium Station is a light rail station in Seattle’s SoDo neighborhood that primarily serves the nearby sports stadiums and industrial area.
  • 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_69ad857dc98481909e585dc3372e3ed5 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada26df128819086541db7680c8c24 completed March 8, 2026, 4:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69b203809fac81908047b1139b13cb04 completed March 12, 2026, 12:06 a.m.
NEDg Description generation batch_69b20532b7388190be5f7bcf48db6f45 completed March 12, 2026, 12:13 a.m.
NED2 Entity disambiguation (via description) batch_69b2058d7c4c8190a44fc8745df3b1b3 completed March 12, 2026, 12:15 a.m.
Created at: March 8, 2026, 3:03 p.m.