Triple
T145757
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alewife station |
E3325
|
entity |
| Predicate | precededOnLineBy |
P97
|
FINISHED |
| Object |
Davis station
Davis station is an underground rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line located in Somerville, Massachusetts.
|
E17390
|
NE FINISHED |
How this triple was built (5 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: Davis station | Statement: [Alewife station, precededOnLineBy, Davis station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Davis station Context triple: [Alewife station, precededOnLineBy, Davis station]
-
A.
Puerto Williams
Puerto Williams is a small Chilean town on Navarino Island, often cited as one of the southernmost settlements in the world and a gateway to Antarctic and subantarctic research and tourism.
-
B.
North Pole
The North Pole is the northernmost point on Earth, situated in the middle of the Arctic region and characterized by drifting sea ice over the Arctic Ocean.
-
C.
South Orkney Islands
The South Orkney Islands are a remote, largely glaciated sub-Antarctic archipelago in the Southern Ocean, known for their scientific research stations and overlapping territorial claims by the United Kingdom and Chile.
-
D.
Zephyr Cove
Zephyr Cove is a small lakeside community and popular recreation area on the southeastern shore of Lake Tahoe in Nevada, known for its beaches, boating, and scenic mountain views.
-
E.
Lomonosov Ridge
Lomonosov Ridge is a major underwater mountain range in the Arctic Ocean that stretches across the polar basin and plays a key role in regional geology and continental shelf claims.
- 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: Davis station Triple: [Alewife station, precededOnLineBy, Davis station]
Generated description
Davis station is an underground rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line located in Somerville, Massachusetts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Davis station Target entity description: Davis station is an underground rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line located in Somerville, Massachusetts.
-
A.
Puerto Williams
Puerto Williams is a small Chilean town on Navarino Island, often cited as one of the southernmost settlements in the world and a gateway to Antarctic and subantarctic research and tourism.
-
B.
North Pole
The North Pole is the northernmost point on Earth, situated in the middle of the Arctic region and characterized by drifting sea ice over the Arctic Ocean.
-
C.
South Orkney Islands
The South Orkney Islands are a remote, largely glaciated sub-Antarctic archipelago in the Southern Ocean, known for their scientific research stations and overlapping territorial claims by the United Kingdom and Chile.
-
D.
Zephyr Cove
Zephyr Cove is a small lakeside community and popular recreation area on the southeastern shore of Lake Tahoe in Nevada, known for its beaches, boating, and scenic mountain views.
-
E.
Lomonosov Ridge
Lomonosov Ridge is a major underwater mountain range in the Arctic Ocean that stretches across the polar basin and plays a key role in regional geology and continental shelf claims.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: precededOnLineBy Context triple: [Alewife station, precededOnLineBy, Davis station]
-
A.
precedentFor
Indicates that one situation, decision, or case serves as an authoritative example or basis for deciding or interpreting another.
-
B.
predecessorLocatedAt
Indicates that the location specified was the place where the immediately preceding version, state, or instance of an entity was situated.
-
C.
confersPrecedenceIn
Indicates that one entity is granted higher priority, rank, or standing over another within a specified context or domain.
-
D.
predecessor
chosen
Indicates that one entity comes before another in an ordered sequence or succession.
-
E.
preambleBeginsWith
Indicates that the preamble of a document or text starts with a specified substring, phrase, or content.
- F. None of above.
Provenance (6 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_69a252868de4819080e21c9938bfe8b6 |
completed | Feb. 28, 2026, 2:27 a.m. |
| NER | Named-entity recognition | batch_69a257ea7eac8190884a53453a9e0dd6 |
completed | Feb. 28, 2026, 2:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2c2763ce481908c12046de9003a84 |
completed | Feb. 28, 2026, 10:24 a.m. |
| NEDg | Description generation | batch_69a2c2f02810819092e3263ac91b5fe3 |
completed | Feb. 28, 2026, 10:26 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2c369498481908c4213b04aea9c97 |
completed | Feb. 28, 2026, 10:28 a.m. |
| PD | Predicate disambiguation | batch_69a25656a4fc81908a87678ac3d28f93 |
completed | Feb. 28, 2026, 2:43 a.m. |
Created at: Feb. 28, 2026, 2:31 a.m.