Triple
T2383527
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (MBTA) |
E46364
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Boston College station
Boston College station is a light rail stop in Chestnut Hill, Massachusetts, serving as the western terminus of the MBTA Green Line’s B branch near Boston College’s main campus.
|
E260827
|
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: Boston College station | Statement: [Green Line (MBTA), terminus, Boston College station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston College station Context triple: [Green Line (MBTA), terminus, Boston College station]
-
A.
Northeastern University station
Northeastern University station is a light rail stop on Boston’s MBTA Green Line serving the Northeastern University campus and the surrounding Fenway–Kenmore area.
-
B.
Belmont station
Belmont station is a commuter rail stop in Downers Grove, Illinois, served by Metra’s BNSF Railway Line connecting the suburb to downtown Chicago.
-
C.
Belmont station
Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
-
D.
Fitchburg station
Fitchburg station is a commuter rail stop in Fitchburg, Massachusetts, serving as a terminus on the MBTA Fitchburg Line connecting the city to the Greater Boston area.
-
E.
Medford station
Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
- 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: Boston College station Triple: [Green Line (MBTA), terminus, Boston College station]
Generated description
Boston College station is a light rail stop in Chestnut Hill, Massachusetts, serving as the western terminus of the MBTA Green Line’s B branch near Boston College’s main campus.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Boston College station Target entity description: Boston College station is a light rail stop in Chestnut Hill, Massachusetts, serving as the western terminus of the MBTA Green Line’s B branch near Boston College’s main campus.
-
A.
Northeastern University station
Northeastern University station is a light rail stop on Boston’s MBTA Green Line serving the Northeastern University campus and the surrounding Fenway–Kenmore area.
-
B.
Belmont station
Belmont station is a commuter rail stop in Downers Grove, Illinois, served by Metra’s BNSF Railway Line connecting the suburb to downtown Chicago.
-
C.
Belmont station
Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
-
D.
Fitchburg station
Fitchburg station is a commuter rail stop in Fitchburg, Massachusetts, serving as a terminus on the MBTA Fitchburg Line connecting the city to the Greater Boston area.
-
E.
Medford station
Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
- 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_69a88a1554a48190a0180682bcf099be |
completed | March 4, 2026, 7:37 p.m. |
| NER | Named-entity recognition | batch_69abc7bafa248190a68e8f1e081f4817 |
completed | March 7, 2026, 6:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aea8b790bc8190ba399e252acec750 |
completed | March 9, 2026, 11:02 a.m. |
| NEDg | Description generation | batch_69aeabb22c708190898b44cdd8b97ff6 |
completed | March 9, 2026, 11:14 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69aeac141ca88190a9a91d0f5b25c341 |
completed | March 9, 2026, 11:16 a.m. |
Created at: March 4, 2026, 7:57 p.m.