Triple

T639893
Position Surface form Disambiguated ID Type / Status
Subject West End (Boston) E16710 entity
Predicate transportServedBy P1298 FINISHED
Object Science Park station
Science Park station is a light rail stop on Boston’s MBTA Green Line located near the Museum of Science, serving the West End and surrounding areas.
E80492 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: Science Park station | Statement: [West End (Boston), transportServedBy, Science Park station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Science Park station
Context triple: [West End (Boston), transportServedBy, Science Park station]
  • A. Expo Center station
    Expo Center station is a light rail station in Portland, Oregon, serving as the northern terminus of TriMet’s MAX Yellow Line near the Portland Expo Center.
  • B. Pioneer Village station
    Pioneer Village station is a Toronto Transit Commission subway station on Line 1 Yonge–University serving the York University and North York/Vaughan area.
  • C. Ayer station
    Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
  • D. King station
    King station is a downtown Toronto subway station on the TTC network serving the Financial District and nearby attractions.
  • E. Spring Garden station
    Spring Garden station is a subway stop in Philadelphia, Pennsylvania, serving riders on SEPTA’s Broad Street Line near the city’s central and northern neighborhoods.
  • 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: Science Park station
Triple: [West End (Boston), transportServedBy, Science Park station]
Generated description
Science Park station is a light rail stop on Boston’s MBTA Green Line located near the Museum of Science, serving the West End and surrounding areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Science Park station
Target entity description: Science Park station is a light rail stop on Boston’s MBTA Green Line located near the Museum of Science, serving the West End and surrounding areas.
  • A. Expo Center station
    Expo Center station is a light rail station in Portland, Oregon, serving as the northern terminus of TriMet’s MAX Yellow Line near the Portland Expo Center.
  • B. Pioneer Village station
    Pioneer Village station is a Toronto Transit Commission subway station on Line 1 Yonge–University serving the York University and North York/Vaughan area.
  • C. Ayer station
    Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
  • D. King station
    King station is a downtown Toronto subway station on the TTC network serving the Financial District and nearby attractions.
  • E. Spring Garden station
    Spring Garden station is a subway stop in Philadelphia, Pennsylvania, serving riders on SEPTA’s Broad Street Line near the city’s central and northern neighborhoods.
  • 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_69a4936be1c88190af56540324b57da7 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a49f00260081909d1a679182e23d10 completed March 1, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69a5778daa0881908311823d8db543ae completed March 2, 2026, 11:42 a.m.
NEDg Description generation batch_69a5782a4d208190b2147ce5b4441204 completed March 2, 2026, 11:44 a.m.
NED2 Entity disambiguation (via description) batch_69a578e8e5488190933524b39c6053ba completed March 2, 2026, 11:47 a.m.
Created at: March 1, 2026, 7:35 p.m.