Triple
T20240472
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hastings station |
E498273
|
entity |
| Predicate | hasAbbreviation |
P43
|
FINISHED |
| Object |
MBTA Hastings
MBTA Hastings is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line in Weston, Massachusetts.
|
E1422938
|
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 Hastings | Statement: [Hastings station, hasAbbreviation, MBTA Hastings]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA Hastings Context triple: [Hastings station, hasAbbreviation, MBTA Hastings]
-
A.
MBTA Waverley
MBTA Waverley is a commuter rail station in Belmont, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Fitchburg Line.
-
B.
MBTA Lansdowne
MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
-
C.
MBTA Melrose Highlands
MBTA Melrose Highlands is a commuter rail station on the Massachusetts Bay Transportation Authority’s Haverhill Line serving the Melrose Highlands neighborhood of Melrose, Massachusetts.
-
D.
MBTA Beverly
MBTA Beverly is the station code used by the Massachusetts Bay Transportation Authority for Beverly station on its commuter rail network.
-
E.
MBTA Braintree Branch
The MBTA Braintree Branch is a southern extension of Boston’s Red Line rapid transit system that runs from JFK/UMass through several South Shore communities to Braintree.
- 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 Hastings Triple: [Hastings station, hasAbbreviation, MBTA Hastings]
Generated description
MBTA Hastings is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line in Weston, Massachusetts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MBTA Hastings Target entity description: MBTA Hastings is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line in Weston, Massachusetts.
-
A.
MBTA Waverley
MBTA Waverley is a commuter rail station in Belmont, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Fitchburg Line.
-
B.
MBTA Lansdowne
MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
-
C.
MBTA Melrose Highlands
MBTA Melrose Highlands is a commuter rail station on the Massachusetts Bay Transportation Authority’s Haverhill Line serving the Melrose Highlands neighborhood of Melrose, Massachusetts.
-
D.
MBTA Beverly
MBTA Beverly is the station code used by the Massachusetts Bay Transportation Authority for Beverly station on its commuter rail network.
-
E.
MBTA Braintree Branch
The MBTA Braintree Branch is a southern extension of Boston’s Red Line rapid transit system that runs from JFK/UMass through several South Shore communities to Braintree.
- 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_69da6274c58c81909c646eabed6f4f30 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6716dd0b081909d4063150cdc0c02 |
completed | April 20, 2026, 6:33 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a08610a98588190a9dd786ef238b543 |
completed | May 16, 2026, 12:20 p.m. |
| NEDg | Description generation | batch_6a08621f0ae0819099a4b52c3fa74e30 |
completed | May 16, 2026, 12:25 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0862bcc0588190a2a1afeec9eafb8a |
completed | May 16, 2026, 12:27 p.m. |
Created at: April 11, 2026, 11:40 p.m.