Triple

T688414
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Convention Center E13335 entity
Predicate near P350 FINISHED
Object Market East Station
Market East Station, now known as Jefferson Station, is a major underground commuter rail hub in Center City Philadelphia that serves SEPTA Regional Rail lines and connects to nearby transit and downtown destinations.
E129361 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: Market East Station | Statement: [Pennsylvania Convention Center, near, Market East Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Market East Station
Context triple: [Pennsylvania Convention Center, near, Market East Station]
  • A. Copley station
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • B. Ruggles station
    Ruggles station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains, multiple commuter rail lines, and numerous bus routes.
  • C. Back Bay station
    Back Bay station is a major transportation hub in Boston, Massachusetts, serving MBTA commuter rail, Amtrak, and subway lines in the Back Bay neighborhood.
  • D. South Station
    South Station is Boston’s major intercity rail and bus terminal and a key MBTA subway hub in the city’s downtown.
  • E. Park Street station
    Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
  • 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: Market East Station
Triple: [Pennsylvania Convention Center, near, Market East Station]
Generated description
Market East Station, now known as Jefferson Station, is a major underground commuter rail hub in Center City Philadelphia that serves SEPTA Regional Rail lines and connects to nearby transit and downtown destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Market East Station
Target entity description: Market East Station, now known as Jefferson Station, is a major underground commuter rail hub in Center City Philadelphia that serves SEPTA Regional Rail lines and connects to nearby transit and downtown destinations.
  • A. Copley station
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • B. Ruggles station
    Ruggles station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains, multiple commuter rail lines, and numerous bus routes.
  • C. Back Bay station
    Back Bay station is a major transportation hub in Boston, Massachusetts, serving MBTA commuter rail, Amtrak, and subway lines in the Back Bay neighborhood.
  • D. South Station
    South Station is Boston’s major intercity rail and bus terminal and a key MBTA subway hub in the city’s downtown.
  • E. Park Street station
    Park Street station is a major downtown Boston transit hub on the MBTA system, serving multiple Green Line branches and providing connections to the Red Line.
  • 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_69a4933e0f98819097d22766c49b61b8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4a0953fb481909e1d4177ee191351 completed March 1, 2026, 8:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac598bddf88190afc565deec2357a1 completed March 7, 2026, 4:59 p.m.
NEDg Description generation batch_69ac5a8106f881908889e779b43931b9 completed March 7, 2026, 5:04 p.m.
NED2 Entity disambiguation (via description) batch_69ac5ae66abc81909f1d9a563e9e7248 completed March 7, 2026, 5:05 p.m.
Created at: March 1, 2026, 7:36 p.m.