Triple
T515121
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maple Leaf Gardens |
E10688
|
entity |
| Predicate | currentNameOfArenaPortion |
P1213
|
FINISHED |
| Object |
Mattamy Athletic Centre
The Mattamy Athletic Centre is a multi-purpose sports and recreation facility in Toronto that occupies the former Maple Leaf Gardens, serving primarily as the home arena for Toronto Metropolitan University athletics.
|
E64536
|
NE FINISHED |
How this triple was built (5 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: Mattamy Athletic Centre | Statement: [Maple Leaf Gardens, currentNameOfArenaPortion, Mattamy Athletic Centre]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mattamy Athletic Centre Context triple: [Maple Leaf Gardens, currentNameOfArenaPortion, Mattamy Athletic Centre]
-
A.
Scotiabank Arena
Scotiabank Arena is a major multi-purpose sports and entertainment venue in downtown Toronto, serving as the home arena for the NHL’s Toronto Maple Leafs and the NBA’s Toronto Raptors.
-
B.
Thompson–Boling Arena
Thompson–Boling Arena is a large multi-purpose indoor sports and entertainment venue located on the University of Tennessee campus in Knoxville.
-
C.
Montreal Forum
The Montreal Forum was a historic indoor arena in Montreal, Quebec, best known as the longtime home of the NHL’s Montreal Canadiens and a legendary venue in professional hockey history.
-
D.
McDougald–McLendon Arena
McDougald–McLendon Arena is an indoor sports and events venue that serves as the primary home court for North Carolina Central University's athletic programs, particularly its basketball teams.
-
E.
Bright-Landry Hockey Center
Bright-Landry Hockey Center is an ice hockey arena at Harvard University that serves as the home venue for the Harvard Crimson men's and women's ice hockey teams.
- 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: Mattamy Athletic Centre Triple: [Maple Leaf Gardens, currentNameOfArenaPortion, Mattamy Athletic Centre]
Generated description
The Mattamy Athletic Centre is a multi-purpose sports and recreation facility in Toronto that occupies the former Maple Leaf Gardens, serving primarily as the home arena for Toronto Metropolitan University athletics.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mattamy Athletic Centre Target entity description: The Mattamy Athletic Centre is a multi-purpose sports and recreation facility in Toronto that occupies the former Maple Leaf Gardens, serving primarily as the home arena for Toronto Metropolitan University athletics.
-
A.
Scotiabank Arena
Scotiabank Arena is a major multi-purpose sports and entertainment venue in downtown Toronto, serving as the home arena for the NHL’s Toronto Maple Leafs and the NBA’s Toronto Raptors.
-
B.
Thompson–Boling Arena
Thompson–Boling Arena is a large multi-purpose indoor sports and entertainment venue located on the University of Tennessee campus in Knoxville.
-
C.
Montreal Forum
The Montreal Forum was a historic indoor arena in Montreal, Quebec, best known as the longtime home of the NHL’s Montreal Canadiens and a legendary venue in professional hockey history.
-
D.
McDougald–McLendon Arena
McDougald–McLendon Arena is an indoor sports and events venue that serves as the primary home court for North Carolina Central University's athletic programs, particularly its basketball teams.
-
E.
Bright-Landry Hockey Center
Bright-Landry Hockey Center is an ice hockey arena at Harvard University that serves as the home venue for the Harvard Crimson men's and women's ice hockey teams.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: currentNameOfArenaPortion Context triple: [Maple Leaf Gardens, currentNameOfArenaPortion, Mattamy Athletic Centre]
-
A.
arenaLocation
Indicates that an arena is located at or within a specified place or geographic location.
-
B.
homeArenaNickname
Indicates the commonly used or informal nickname of a team's or organization's home arena.
-
C.
currentName
chosen
Indicates the present or most recently assigned name associated with an entity.
-
D.
mainIndoorArena
Indicates that one entity serves as the primary indoor arena or main covered venue associated with another entity.
-
E.
teamArenaControlled
Indicates that a particular team has control or ownership over a specified arena or battleground.
- 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_69a2e84a0d08819087e01863fcd9abf1 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f232fa688190b08a2fe3f22c7a6e |
completed | Feb. 28, 2026, 1:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4a42a4a648190a1a01d823b698ae3 |
completed | March 1, 2026, 8:40 p.m. |
| NEDg | Description generation | batch_69a4a492d2d08190945f9b5bd1e8dfa5 |
completed | March 1, 2026, 8:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4a52e4ae081909f880462479fc51f |
completed | March 1, 2026, 8:44 p.m. |
| PD | Predicate disambiguation | batch_69a2f013c05481909e6dc87e7b20ebd8 |
completed | Feb. 28, 2026, 1:39 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.