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.