Triple

T25682358
Position Surface form Disambiguated ID Type / Status
Subject Steeles Avenue East E643973 entity
Predicate hasEasternTerminusNear P3569 FINISHED
Object York–Durham Line
The York–Durham Line is a regional boundary road in the Greater Toronto Area that marks the dividing line between York Region and Durham Region in Ontario, Canada.
 E1689034 NE FINISHED

How this triple was built (3 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: York–Durham Line | Statement: [Steeles Avenue East, hasEasternTerminusNear, York–Durham Line]
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: York–Durham Line
Triple: [Steeles Avenue East, hasEasternTerminusNear, York–Durham Line]
Generated description
The York–Durham Line is a regional boundary road in the Greater Toronto Area that marks the dividing line between York Region and Durham Region in Ontario, Canada.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: hasEasternTerminusNear
Context triple: [Steeles Avenue East, hasEasternTerminusNear, York–Durham Line]
  • A. easternTerminusLocatedOn
    Indicates that the eastern endpoint of a route, line, or path is situated on or at a specified feature or location.
  • B. easternTerminusTown
    Indicates that a given town serves as the eastern endpoint or terminus of a route, line, or corridor.
  • C. easternTerminusRegion
    Indicates the region in which something (such as a route, line, or path) has its eastern endpoint or terminus.
  • D. terminusEast chosen
    Indicates that one entity serves as the eastern endpoint or final stop of another entity, such as a route, line, or path.
  • E. hasSouthernTerminus
    Indicates that one entity serves as the southern endpoint or terminus of another entity, such as a route, line, or path.
  • F. None of above.

Provenance (6 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_69e77e8046888190b07ffa58c7e2c37a completed April 21, 2026, 1:41 p.m.
NER Named-entity recognition batch_69f5fb7a1bc48190977f41d62801e190 completed May 2, 2026, 1:26 p.m.
NED1 Entity disambiguation (via context triple) batch_6a10c1618cb0819098d77435197c5e06 completed May 22, 2026, 8:49 p.m.
NEDg Description generation batch_6a10c1c152448190a10bb99bc65044ca completed May 22, 2026, 8:51 p.m.
NED2 Entity disambiguation (via description) batch_6a10c26787148190ac5d2ff4eba945b3 completed May 22, 2026, 8:53 p.m.
PD Predicate disambiguation batch_69f4938262ac8190b41f922d0407d272 completed May 1, 2026, 11:50 a.m.
Created at: April 21, 2026, 8:02 p.m.