Triple
T38453
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Red Line |
E761
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object |
Park Street
Park Street is a major downtown Boston subway station and transfer hub on the Massachusetts Bay Transportation Authority (MBTA) system.
|
E24761
|
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: Park Street | Statement: [MBTA Red Line, servesStation, Park Street]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Park Street Context triple: [MBTA Red Line, servesStation, Park Street]
-
A.
Vine Street
Vine Street is a famous thoroughfare in Hollywood, Los Angeles, best known for its intersection with Hollywood Boulevard and its association with the entertainment industry and the Hollywood Walk of Fame.
-
B.
King Street, Boston
King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
-
C.
Spruce Street
Spruce Street is a major thoroughfare running through University City in Philadelphia, known for serving the nearby universities and residential neighborhoods.
-
D.
Franklin Avenue
Franklin Avenue is a notable east–west thoroughfare in Los Angeles, California, running through the Hollywood area and known for its historic residential neighborhoods and proximity to major Hollywood landmarks.
-
E.
Market Street
Market Street is a major east–west thoroughfare in Philadelphia known for its commercial activity, transit connections, and role as a central artery of the city.
- 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: Park Street Triple: [MBTA Red Line, servesStation, Park Street]
Generated description
Park Street is a major downtown Boston subway station and transfer hub on the Massachusetts Bay Transportation Authority (MBTA) system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Park Street Target entity description: Park Street is a major downtown Boston subway station and transfer hub on the Massachusetts Bay Transportation Authority (MBTA) system.
-
A.
Vine Street
Vine Street is a famous thoroughfare in Hollywood, Los Angeles, best known for its intersection with Hollywood Boulevard and its association with the entertainment industry and the Hollywood Walk of Fame.
-
B.
King Street, Boston
King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
-
C.
Spruce Street
Spruce Street is a major thoroughfare running through University City in Philadelphia, known for serving the nearby universities and residential neighborhoods.
-
D.
Franklin Avenue
Franklin Avenue is a notable east–west thoroughfare in Los Angeles, California, running through the Hollywood area and known for its historic residential neighborhoods and proximity to major Hollywood landmarks.
-
E.
Market Street
Market Street is a major east–west thoroughfare in Philadelphia known for its commercial activity, transit connections, and role as a central artery of the city.
- 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_69a31155cfe48190927341544078c9ca |
completed | Feb. 28, 2026, 4:01 p.m. |
| NEDg | Description generation | batch_69a313c6cd88819093754d91199660c9 |
completed | Feb. 28, 2026, 4:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3142c87ac8190bf110b3b51d9166d |
completed | Feb. 28, 2026, 4:13 p.m. |
Created at: Feb. 28, 2026, 1:46 a.m.