Triple
T9975800
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Massachusetts Avenue station |
E196323
|
entity |
| Predicate | hasConnection |
P8776
|
FINISHED |
| Object |
MBTA bus route CT1
MBTA bus route CT1 was a former limited-stop crosstown bus service in Boston and Cambridge that connected key transit hubs and major institutions along a north–south corridor.
|
E832713
|
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: MBTA bus route CT1 | Statement: [Massachusetts Avenue station, hasConnection, MBTA bus route CT1]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA bus route CT1 Context triple: [Massachusetts Avenue station, hasConnection, MBTA bus route CT1]
-
A.
MBTA bus route CT2
MBTA bus route CT2 is a limited-stop crosstown bus line in Boston and Cambridge that connects major destinations such as Kendall/MIT, Massachusetts General Hospital, and the Longwood Medical Area.
-
B.
MBTA bus route CT3
MBTA bus route CT3 is a limited-stop crosstown bus service in Boston that connects key medical, academic, and transit hubs, including the Longwood Medical Area and Boston University/Kenmore area.
-
C.
MBTA bus route 1
MBTA bus route 1 is a heavily used Boston-area bus line that runs between Harvard Square in Cambridge and Dudley/Nubian Square in Roxbury, serving major corridors like Massachusetts Avenue.
-
D.
MBTA bus route 111
MBTA bus route 111 is a high-ridership Massachusetts Bay Transportation Authority bus line serving the corridor between downtown Boston and the city of Chelsea.
-
E.
MBTA bus route 10
MBTA bus route 10 is a local Massachusetts Bay Transportation Authority bus line in Boston that connects key neighborhoods including the South End, Roxbury, and downtown areas.
- 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: MBTA bus route CT1 Triple: [Massachusetts Avenue station, hasConnection, MBTA bus route CT1]
Generated description
MBTA bus route CT1 was a former limited-stop crosstown bus service in Boston and Cambridge that connected key transit hubs and major institutions along a north–south corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MBTA bus route CT1 Target entity description: MBTA bus route CT1 was a former limited-stop crosstown bus service in Boston and Cambridge that connected key transit hubs and major institutions along a north–south corridor.
-
A.
MBTA bus route CT2
MBTA bus route CT2 is a limited-stop crosstown bus line in Boston and Cambridge that connects major destinations such as Kendall/MIT, Massachusetts General Hospital, and the Longwood Medical Area.
-
B.
MBTA bus route CT3
MBTA bus route CT3 is a limited-stop crosstown bus service in Boston that connects key medical, academic, and transit hubs, including the Longwood Medical Area and Boston University/Kenmore area.
-
C.
MBTA bus route 1
MBTA bus route 1 is a heavily used Boston-area bus line that runs between Harvard Square in Cambridge and Dudley/Nubian Square in Roxbury, serving major corridors like Massachusetts Avenue.
-
D.
MBTA bus route 111
MBTA bus route 111 is a high-ridership Massachusetts Bay Transportation Authority bus line serving the corridor between downtown Boston and the city of Chelsea.
-
E.
MBTA bus route 10
MBTA bus route 10 is a local Massachusetts Bay Transportation Authority bus line in Boston that connects key neighborhoods including the South End, Roxbury, and downtown areas.
- 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_69ca82eea2b88190a0e511d21a31f386 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cdb84b47308190aa2f94fa7320cdc3 |
completed | April 2, 2026, 12:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d23de601f0819096004bf60ffa2d2c |
completed | April 5, 2026, 10:48 a.m. |
| NEDg | Description generation | batch_69d241e666a0819087061bf8af397131 |
completed | April 5, 2026, 11:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d24283caa481908d794ea2cd4f9db3 |
completed | April 5, 2026, 11:07 a.m. |
Created at: March 30, 2026, 8:48 p.m.