Triple
T38467
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Red Line |
E761
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
Ashmont
Ashmont is a major Boston subway and bus terminal in the Dorchester neighborhood that serves as one of the southern endpoints of the MBTA Red Line.
|
E36919
|
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: Ashmont | Statement: [MBTA Red Line, servesStation, Ashmont]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ashmont Context triple: [MBTA Red Line, servesStation, Ashmont]
-
A.
Allston
Allston is a Boston neighborhood located across the Charles River from Harvard’s main campus, known for its mix of students, residential areas, and commercial spaces.
-
B.
Beacon Hill
Beacon Hill is a historic, affluent Boston neighborhood known for its Federal-style rowhouses, narrow gas-lit streets, and role as a center of state government and early American history.
-
C.
Savin Hill
Savin Hill is a neighborhood in Dorchester, Boston, known for its residential character, historic homes, and proximity to a namesake MBTA rapid transit station.
-
D.
Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
-
E.
Brookline
Brookline is an affluent, historic suburban town directly bordering Boston, known for its tree-lined streets, excellent public schools, and vibrant residential 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: Ashmont Triple: [MBTA Red Line, servesStation, Ashmont]
Generated description
Ashmont is a major Boston subway and bus terminal in the Dorchester neighborhood that serves as one of the southern endpoints of the MBTA Red Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ashmont Target entity description: Ashmont is a major Boston subway and bus terminal in the Dorchester neighborhood that serves as one of the southern endpoints of the MBTA Red Line.
-
A.
Allston
Allston is a Boston neighborhood located across the Charles River from Harvard’s main campus, known for its mix of students, residential areas, and commercial spaces.
-
B.
Beacon Hill
Beacon Hill is a historic, affluent Boston neighborhood known for its Federal-style rowhouses, narrow gas-lit streets, and role as a center of state government and early American history.
-
C.
Savin Hill
Savin Hill is a neighborhood in Dorchester, Boston, known for its residential character, historic homes, and proximity to a namesake MBTA rapid transit station.
-
D.
Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
-
E.
Brookline
Brookline is an affluent, historic suburban town directly bordering Boston, known for its tree-lined streets, excellent public schools, and vibrant residential 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_69a247a8f6c08190bac804906d62ed5a |
completed | Feb. 28, 2026, 1:40 a.m. |
| NER | Named-entity recognition | batch_69a24ec1ef5481909daf99654dfa3f57 |
completed | Feb. 28, 2026, 2:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3999fcbdc819094de957fb0a50eb8 |
completed | March 1, 2026, 1:42 a.m. |
| NEDg | Description generation | batch_69a39a1de8a08190831d26f2bf641983 |
completed | March 1, 2026, 1:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a39a8a6d1c81908b496ecfa27319b3 |
completed | March 1, 2026, 1:46 a.m. |
Created at: Feb. 28, 2026, 1:46 a.m.