Triple

T1663543
Position Surface form Disambiguated ID Type / Status
Subject Broad Street (Philadelphia) E35961 entity
Predicate terminusNear P1866 FINISHED
Object Cheltenham Avenue (north end)
Cheltenham Avenue (north end) is the northern endpoint of Philadelphia’s Broad Street, marking a key boundary area between the city and its northern suburbs.
 E187438 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: Cheltenham Avenue (north end) | Statement: [Broad Street (Philadelphia), terminusNear, Cheltenham Avenue (north end)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cheltenham Avenue (north end)
Context triple: [Broad Street (Philadelphia), terminusNear, Cheltenham Avenue (north end)]
  • A. Moor Road
    Moor Road is a tram stop on Greater Manchester’s Metrolink light rail network in the UK.
  • 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. Weston Road
    Weston Road is a major north–south arterial route in the Greater Toronto Area that runs through communities such as Woodbridge in Vaughan.
  • D. Hills Road
    Hills Road is a major thoroughfare in Cambridge, England, known for connecting the city centre with key institutions such as the Cambridge Biomedical Campus and several educational establishments.
  • E. Greensand Way
    Greensand Way is a long-distance walking trail in southeast England that follows the greensand ridge through scenic countryside and historic villages in Surrey and Kent.
  • 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: Cheltenham Avenue (north end)
Triple: [Broad Street (Philadelphia), terminusNear, Cheltenham Avenue (north end)]
Generated description
Cheltenham Avenue (north end) is the northern endpoint of Philadelphia’s Broad Street, marking a key boundary area between the city and its northern suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cheltenham Avenue (north end)
Target entity description: Cheltenham Avenue (north end) is the northern endpoint of Philadelphia’s Broad Street, marking a key boundary area between the city and its northern suburbs.
  • A. Moor Road
    Moor Road is a tram stop on Greater Manchester’s Metrolink light rail network in the UK.
  • 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. Weston Road
    Weston Road is a major north–south arterial route in the Greater Toronto Area that runs through communities such as Woodbridge in Vaughan.
  • D. Hills Road
    Hills Road is a major thoroughfare in Cambridge, England, known for connecting the city centre with key institutions such as the Cambridge Biomedical Campus and several educational establishments.
  • E. Greensand Way
    Greensand Way is a long-distance walking trail in southeast England that follows the greensand ridge through scenic countryside and historic villages in Surrey and Kent.
  • 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_69a88606aa808190aa0b421b4271f220 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a90ab5d1a08190a3325ff203b573fb completed March 5, 2026, 4:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad682d968081909494920f3a7ea3af completed March 8, 2026, 12:14 p.m.
NEDg Description generation batch_69ad69017e448190b337337431c6f797 completed March 8, 2026, 12:18 p.m.
NED2 Entity disambiguation (via description) batch_69ad6966c3108190bf2519f698dd3903 completed March 8, 2026, 12:19 p.m.
Created at: March 4, 2026, 7:29 p.m.