Triple
T76410
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toronto |
E1525
|
entity |
| Predicate | hasSubwayLine |
P522
|
FINISHED |
| Object |
Line 3 Scarborough (closed in 2023)
Line 3 Scarborough (closed in 2023) was a light metro line in Toronto’s transit system that connected the city’s eastern Scarborough district to the broader subway network.
|
E7282
|
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: Line 3 Scarborough (closed in 2023) | Statement: [Toronto, hasSubwayLine, Line 3 Scarborough (closed in 2023)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Line 3 Scarborough (closed in 2023) Context triple: [Toronto, hasSubwayLine, Line 3 Scarborough (closed in 2023)]
-
A.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
B.
CTA Red Line Sox–35th station
CTA Red Line Sox–35th station is a Chicago Transit Authority rapid transit stop on the Red Line that serves the Bridgeport neighborhood and provides access to the Chicago White Sox’s home ballpark.
-
C.
Fife Circle Line
The Fife Circle Line is a suburban rail route in Fife, Scotland, forming a loop north of Edinburgh that serves towns such as Dunfermline, Kirkcaldy, and Glenrothes with Thornton.
-
D.
Manchester Metrolink
Manchester Metrolink is a light rail/tram network serving Greater Manchester, England, connecting the city centre with surrounding suburbs and key regional destinations.
-
E.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
- 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: Line 3 Scarborough (closed in 2023) Triple: [Toronto, hasSubwayLine, Line 3 Scarborough (closed in 2023)]
Generated description
Line 3 Scarborough (closed in 2023) was a light metro line in Toronto’s transit system that connected the city’s eastern Scarborough district to the broader subway network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Line 3 Scarborough (closed in 2023) Target entity description: Line 3 Scarborough (closed in 2023) was a light metro line in Toronto’s transit system that connected the city’s eastern Scarborough district to the broader subway network.
-
A.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
B.
CTA Red Line Sox–35th station
CTA Red Line Sox–35th station is a Chicago Transit Authority rapid transit stop on the Red Line that serves the Bridgeport neighborhood and provides access to the Chicago White Sox’s home ballpark.
-
C.
Fife Circle Line
The Fife Circle Line is a suburban rail route in Fife, Scotland, forming a loop north of Edinburgh that serves towns such as Dunfermline, Kirkcaldy, and Glenrothes with Thornton.
-
D.
Manchester Metrolink
Manchester Metrolink is a light rail/tram network serving Greater Manchester, England, connecting the city centre with surrounding suburbs and key regional destinations.
-
E.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
- 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_69a24c60d19c8190a1b6c105ca59ef5b |
completed | Feb. 28, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69a2567c90308190a9b989c586f7e559 |
completed | Feb. 28, 2026, 2:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a25abc7b648190b8a83a05f4c76af0 |
completed | Feb. 28, 2026, 3:02 a.m. |
| NEDg | Description generation | batch_69a25caa409881909eb7dfe7d038cc39 |
completed | Feb. 28, 2026, 3:10 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a25e287cc88190b2eb5ae02bd2f9d1 |
completed | Feb. 28, 2026, 3:16 a.m. |
Created at: Feb. 28, 2026, 2:06 a.m.