Triple
T1426144
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MassDOT Rail and Transit Division |
E30335
|
entity |
| Predicate | operatesWithin |
P794
|
FINISHED |
| Object |
MassDOT Office of Transportation Planning
The MassDOT Office of Transportation Planning is a division of the Massachusetts Department of Transportation responsible for statewide transportation planning, policy development, and coordination across modes such as highways, transit, rail, and bicycle and pedestrian networks.
|
E164864
|
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: MassDOT Office of Transportation Planning | Statement: [MassDOT Rail and Transit Division, operatesWithin, MassDOT Office of Transportation Planning]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MassDOT Office of Transportation Planning Context triple: [MassDOT Rail and Transit Division, operatesWithin, MassDOT Office of Transportation Planning]
-
A.
MassDOT Rail and Transit Division
The MassDOT Rail and Transit Division is the branch of Massachusetts’ state transportation agency responsible for planning, funding, and overseeing passenger rail and public transit services across the Commonwealth.
-
B.
Massachusetts Department of Transportation
The Massachusetts Department of Transportation is the state agency responsible for planning, building, and maintaining Massachusetts’ transportation infrastructure, including highways, public transit, and other mobility systems.
-
C.
MBTA
The MBTA (Massachusetts Bay Transportation Authority) is the public transit agency that operates subway, bus, commuter rail, and ferry services in the Greater Boston area.
-
D.
Massachusetts Turnpike Authority
The Massachusetts Turnpike Authority was a former state agency that operated and maintained the Massachusetts Turnpike and related transportation facilities before its functions were absorbed into the Massachusetts Department of Transportation.
-
E.
Massachusetts Secretary of Transportation
The Massachusetts Secretary of Transportation is the state’s top transportation official, overseeing agencies and services related to highways, public transit, aeronautics, and motor vehicles.
- 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: MassDOT Office of Transportation Planning Triple: [MassDOT Rail and Transit Division, operatesWithin, MassDOT Office of Transportation Planning]
Generated description
The MassDOT Office of Transportation Planning is a division of the Massachusetts Department of Transportation responsible for statewide transportation planning, policy development, and coordination across modes such as highways, transit, rail, and bicycle and pedestrian networks.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MassDOT Office of Transportation Planning Target entity description: The MassDOT Office of Transportation Planning is a division of the Massachusetts Department of Transportation responsible for statewide transportation planning, policy development, and coordination across modes such as highways, transit, rail, and bicycle and pedestrian networks.
-
A.
MassDOT Rail and Transit Division
The MassDOT Rail and Transit Division is the branch of Massachusetts’ state transportation agency responsible for planning, funding, and overseeing passenger rail and public transit services across the Commonwealth.
-
B.
Massachusetts Department of Transportation
The Massachusetts Department of Transportation is the state agency responsible for planning, building, and maintaining Massachusetts’ transportation infrastructure, including highways, public transit, and other mobility systems.
-
C.
MBTA
The MBTA (Massachusetts Bay Transportation Authority) is the public transit agency that operates subway, bus, commuter rail, and ferry services in the Greater Boston area.
-
D.
Massachusetts Turnpike Authority
The Massachusetts Turnpike Authority was a former state agency that operated and maintained the Massachusetts Turnpike and related transportation facilities before its functions were absorbed into the Massachusetts Department of Transportation.
-
E.
Massachusetts Secretary of Transportation
The Massachusetts Secretary of Transportation is the state’s top transportation official, overseeing agencies and services related to highways, public transit, aeronautics, and motor vehicles.
- 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_69a498fb823c8190a67ce4c4837e641a |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c4be7d208190bcfb46239bd72e56 |
completed | March 1, 2026, 10:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad08b35da08190b8c09ad393f310e3 |
completed | March 8, 2026, 5:27 a.m. |
| NEDg | Description generation | batch_69ad09a3eef8819082093f33646906b5 |
completed | March 8, 2026, 5:31 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad0a30bcdc81908090d6a094ece0f4 |
completed | March 8, 2026, 5:33 a.m. |
Created at: March 1, 2026, 8 p.m.