Triple
T3956514
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Natick, Massachusetts |
E85792
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Natick Center Commuter Rail Station
Natick Center Commuter Rail Station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop on the Framingham/Worcester Line serving the downtown area of Natick, Massachusetts.
|
E402972
|
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: Natick Center Commuter Rail Station | Statement: [Natick, Massachusetts, hasLandmark, Natick Center Commuter Rail Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Natick Center Commuter Rail Station Context triple: [Natick, Massachusetts, hasLandmark, Natick Center Commuter Rail Station]
-
A.
North Billerica station
North Billerica station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Billerica, Massachusetts, serving the Lowell Line between Boston and Lowell.
-
B.
Medford/Tufts station
Medford/Tufts station is a Massachusetts Bay Transportation Authority light rail station in Medford serving Tufts University and the surrounding area.
-
C.
Malden Center station
Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
-
D.
Roslindale Village commuter rail station
Roslindale Village commuter rail station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop on the Needham Line serving Boston’s Roslindale neighborhood.
-
E.
Brookline Hills station
Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
- 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: Natick Center Commuter Rail Station Triple: [Natick, Massachusetts, hasLandmark, Natick Center Commuter Rail Station]
Generated description
Natick Center Commuter Rail Station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop on the Framingham/Worcester Line serving the downtown area of Natick, Massachusetts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Natick Center Commuter Rail Station Target entity description: Natick Center Commuter Rail Station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop on the Framingham/Worcester Line serving the downtown area of Natick, Massachusetts.
-
A.
North Billerica station
North Billerica station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Billerica, Massachusetts, serving the Lowell Line between Boston and Lowell.
-
B.
Medford/Tufts station
Medford/Tufts station is a Massachusetts Bay Transportation Authority light rail station in Medford serving Tufts University and the surrounding area.
-
C.
Malden Center station
Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
-
D.
Roslindale Village commuter rail station
Roslindale Village commuter rail station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop on the Needham Line serving Boston’s Roslindale neighborhood.
-
E.
Brookline Hills station
Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
- 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_69aed93a96908190bcbdbfa718f155bd |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aef95bbb9c8190bd64c5b7ea2f341a |
completed | March 9, 2026, 4:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b533aea08c8190b83d83e3ba89848c |
completed | March 14, 2026, 10:08 a.m. |
| NEDg | Description generation | batch_69b537f7e2e481909b7a337c130bca7a |
completed | March 14, 2026, 10:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b538a7f8e4819087a74e96255e7c45 |
completed | March 14, 2026, 10:30 a.m. |
Created at: March 9, 2026, 3:31 p.m.