Triple
T20301891
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (MBTA) |
E505501
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Beachmont station
Beachmont station is an MBTA rapid transit stop on the Blue Line located in Revere, Massachusetts, serving nearby residential neighborhoods and Revere Beach.
|
E1435808
|
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: Beachmont station | Statement: [Blue Line (MBTA), hasStation, Beachmont station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Beachmont station Context triple: [Blue Line (MBTA), hasStation, Beachmont station]
-
A.
Ravenswood station
Ravenswood station is a commuter rail stop in Chicago, Illinois, served by Metra’s Union Pacific North Line and connecting the Ravenswood neighborhood to downtown and northern suburbs.
-
B.
Canton Junction station
Canton Junction station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail station in Canton, Massachusetts, serving as a junction point for trains on the Providence/Stoughton Line.
-
C.
Old Town station
Old Town station is a commuter rail stop in Lewisville, Texas, serving Denton County’s A-train line.
-
D.
Montgomery St. station
Montgomery St. station is a major underground Bay Area Rapid Transit (BART) station located in San Francisco’s Financial District, serving as a key hub for commuters and connections to Muni Metro.
-
E.
Briarwood station
Briarwood station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
- 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: Beachmont station Triple: [Blue Line (MBTA), hasStation, Beachmont station]
Generated description
Beachmont station is an MBTA rapid transit stop on the Blue Line located in Revere, Massachusetts, serving nearby residential neighborhoods and Revere Beach.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Beachmont station Target entity description: Beachmont station is an MBTA rapid transit stop on the Blue Line located in Revere, Massachusetts, serving nearby residential neighborhoods and Revere Beach.
-
A.
Ravenswood station
Ravenswood station is a commuter rail stop in Chicago, Illinois, served by Metra’s Union Pacific North Line and connecting the Ravenswood neighborhood to downtown and northern suburbs.
-
B.
Canton Junction station
Canton Junction station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail station in Canton, Massachusetts, serving as a junction point for trains on the Providence/Stoughton Line.
-
C.
Old Town station
Old Town station is a commuter rail stop in Lewisville, Texas, serving Denton County’s A-train line.
-
D.
Montgomery St. station
Montgomery St. station is a major underground Bay Area Rapid Transit (BART) station located in San Francisco’s Financial District, serving as a key hub for commuters and connections to Muni Metro.
-
E.
Briarwood station
Briarwood station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
- 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_69e0b4b8ab648190906e18538c250148 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6770d82b48190b21ce7c52ec6d5a0 |
completed | April 20, 2026, 6:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a089d23e6808190a26b30d46546a84b |
completed | May 16, 2026, 4:36 p.m. |
| NEDg | Description generation | batch_6a089df251c481908043e3d7ad79198f |
completed | May 16, 2026, 4:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a089e8a05488190b3470f4ffb5927ce |
completed | May 16, 2026, 4:42 p.m. |
Created at: April 16, 2026, 11:17 a.m.