Triple
T16610
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mystic River |
E329
|
entity |
| Predicate | notableNearbyStructure |
P350
|
FINISHED |
| Object |
Encore Boston Harbor casino resort
Encore Boston Harbor casino resort is a luxury waterfront hotel, casino, and entertainment complex in Everett, Massachusetts, developed by Wynn Resorts and known for its upscale amenities and views of the Boston skyline.
|
E651
|
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: Encore Boston Harbor casino resort | Statement: [Mystic River, notableNearbyStructure, Encore Boston Harbor casino resort]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Encore Boston Harbor casino resort Context triple: [Mystic River, notableNearbyStructure, Encore Boston Harbor casino resort]
-
A.
Port of Boston
The Port of Boston is a major New England seaport and transportation hub handling cargo, cruise ships, and maritime commerce for the Boston metropolitan area.
-
B.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
-
C.
Boston Consortium
The Boston Consortium is a collaborative association of leading higher education institutions in the Boston area that work together to share resources and improve academic and administrative effectiveness.
-
D.
Kennedy Center for the Performing Arts
The Kennedy Center for the Performing Arts is the United States’ national cultural center and a major venue in Washington, D.C. for theater, music, dance, and other performing arts.
-
E.
Zesiger Sports and Fitness Center
Zesiger Sports and Fitness Center is MIT’s primary athletics and recreation complex, featuring facilities for varsity sports, fitness, and aquatics on the Cambridge campus.
- 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: Encore Boston Harbor casino resort Triple: [Mystic River, notableNearbyStructure, Encore Boston Harbor casino resort]
Generated description
Encore Boston Harbor casino resort is a luxury waterfront hotel, casino, and entertainment complex in Everett, Massachusetts, developed by Wynn Resorts and known for its upscale amenities and views of the Boston skyline.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Encore Boston Harbor casino resort Target entity description: Encore Boston Harbor casino resort is a luxury waterfront hotel, casino, and entertainment complex in Everett, Massachusetts, developed by Wynn Resorts and known for its upscale amenities and views of the Boston skyline.
-
A.
Port of Boston
The Port of Boston is a major New England seaport and transportation hub handling cargo, cruise ships, and maritime commerce for the Boston metropolitan area.
-
B.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
-
C.
Boston Consortium
The Boston Consortium is a collaborative association of leading higher education institutions in the Boston area that work together to share resources and improve academic and administrative effectiveness.
-
D.
Kennedy Center for the Performing Arts
The Kennedy Center for the Performing Arts is the United States’ national cultural center and a major venue in Washington, D.C. for theater, music, dance, and other performing arts.
-
E.
Zesiger Sports and Fitness Center
Zesiger Sports and Fitness Center is MIT’s primary athletics and recreation complex, featuring facilities for varsity sports, fitness, and aquatics on the Cambridge campus.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: notableNearbyStructure Context triple: [Mystic River, notableNearbyStructure, Encore Boston Harbor casino resort]
-
A.
adjacentToInfrastructure
Indicates that one entity is located directly next to or in immediate proximity to a piece of infrastructure.
-
B.
near
chosen
Indicates that one entity is located at a short distance from another entity in space or position.
-
C.
notableFor
Indicates that an entity is especially recognized or distinguished for a particular quality, achievement, characteristic, or role.
-
D.
notableRelative
Indicates that an entity has a relative who is notable or well-known, specifying that familial relationship.
-
E.
hasNotableFacility
Indicates that an entity possesses or hosts a facility that is of particular significance, prominence, or interest.
- 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_69a23d7ad88c8190bffe8ab091d86642 |
completed | Feb. 28, 2026, 12:57 a.m. |
| NER | Named-entity recognition | batch_69a241ea1ea081908e8a81ca97531ba5 |
completed | Feb. 28, 2026, 1:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a243ca1c908190a50e20627e1b9a1e |
completed | Feb. 28, 2026, 1:24 a.m. |
| NEDg | Description generation | batch_69a24667687481908fdf2588b57ceadc |
completed | Feb. 28, 2026, 1:35 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a247312efc81908e6a6b75c520795d |
completed | Feb. 28, 2026, 1:38 a.m. |
| PD | Predicate disambiguation | batch_69a23fec1fe8819080da6f2c745dc8fd |
completed | Feb. 28, 2026, 1:07 a.m. |
Created at: Feb. 28, 2026, 1:02 a.m.