Triple
T1965
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Belmont, Massachusetts |
E36
|
entity |
| Predicate | hasCommuterRailStation |
P105
|
FINISHED |
| Object |
Waverley station
Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
|
E146
|
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: Waverley station | Statement: [Belmont, Massachusetts, hasCommuterRailStation, Waverley station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waverley station Context triple: [Belmont, Massachusetts, hasCommuterRailStation, Waverley station]
-
A.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
B.
Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
-
C.
University City, Philadelphia
University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
-
D.
John F. Kennedy International Airport
John F. Kennedy International Airport is a major international air travel hub located in Queens, serving as one of the primary gateways to New York City and the United States.
-
E.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
- 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: Waverley station Triple: [Belmont, Massachusetts, hasCommuterRailStation, Waverley station]
Generated description
Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Waverley station Target entity description: Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
-
A.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
B.
Las Campanas Observatory
Las Campanas Observatory is a major astronomical observatory in Chile renowned for its high-quality observing conditions and its role in cutting-edge optical and infrared astronomy.
-
C.
University City, Philadelphia
University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
-
D.
John F. Kennedy International Airport
John F. Kennedy International Airport is a major international air travel hub located in Queens, serving as one of the primary gateways to New York City and the United States.
-
E.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
- 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_69a22cde80848190b62c5f556b4d62ba |
completed | Feb. 27, 2026, 11:46 p.m. |
| NER | Named-entity recognition | batch_69a233c52368819093215a9c745f264c |
completed | Feb. 28, 2026, 12:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a238e23e0881909815d2dad067d7a1 |
completed | Feb. 28, 2026, 12:37 a.m. |
| NEDg | Description generation | batch_69a23ab3a1f481908407d4648bbf3f86 |
completed | Feb. 28, 2026, 12:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a23b736e388190956fa92a68d25866 |
completed | Feb. 28, 2026, 12:48 a.m. |
Created at: Feb. 27, 2026, 11:48 p.m.