Triple

T413124
Position Surface form Disambiguated ID Type / Status
Subject Sound Transit Link light rail E9533 entity
Predicate connectsTo P845 FINISHED
Object Angle Lake
Angle Lake is a light rail station and surrounding neighborhood in SeaTac, Washington, serving as a southern terminus of Sound Transit’s Link light rail line near Seattle–Tacoma International Airport.
E64137 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: Angle Lake | Statement: [Sound Transit Link light rail, connectsTo, Angle Lake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Angle Lake
Context triple: [Sound Transit Link light rail, connectsTo, Angle Lake]
  • A. Walker Lake
    Walker Lake is a large natural desert lake in western Nevada known for its shrinking water levels and importance as a habitat for migratory birds and native fish.
  • B. Woods Lake
    Woods Lake is a scenic alpine lake in the Sierra Nevada of California, popular for camping, fishing, and hiking in the Carson Pass area.
  • C. Peach Lake
    Peach Lake is a small hamlet in the Town of Southeast in Putnam County, New York, known for the lake that shares its name and its residential, lakeside character.
  • D. Ancylus Lake
    Ancylus Lake was a large freshwater body that occupied the Baltic Sea basin after the last Ice Age, before it evolved into the modern brackish Baltic Sea.
  • E. Caples Lake
    Caples Lake is a high-elevation reservoir in the Sierra Nevada of California, popular for fishing, boating, and hiking in an alpine setting.
  • 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: Angle Lake
Triple: [Sound Transit Link light rail, connectsTo, Angle Lake]
Generated description
Angle Lake is a light rail station and surrounding neighborhood in SeaTac, Washington, serving as a southern terminus of Sound Transit’s Link light rail line near Seattle–Tacoma International Airport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Angle Lake
Target entity description: Angle Lake is a light rail station and surrounding neighborhood in SeaTac, Washington, serving as a southern terminus of Sound Transit’s Link light rail line near Seattle–Tacoma International Airport.
  • A. Walker Lake
    Walker Lake is a large natural desert lake in western Nevada known for its shrinking water levels and importance as a habitat for migratory birds and native fish.
  • B. Woods Lake
    Woods Lake is a scenic alpine lake in the Sierra Nevada of California, popular for camping, fishing, and hiking in the Carson Pass area.
  • C. Peach Lake
    Peach Lake is a small hamlet in the Town of Southeast in Putnam County, New York, known for the lake that shares its name and its residential, lakeside character.
  • D. Ancylus Lake
    Ancylus Lake was a large freshwater body that occupied the Baltic Sea basin after the last Ice Age, before it evolved into the modern brackish Baltic Sea.
  • E. Caples Lake
    Caples Lake is a high-elevation reservoir in the Sierra Nevada of California, popular for fishing, boating, and hiking in an alpine setting.
  • 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_69a2e80111fc8190961d5b7c6154123f completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ecdc422881908910428fd1aee7c6 completed Feb. 28, 2026, 1:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4a1492574819095ccb7aa9ce838ad completed March 1, 2026, 8:27 p.m.
NEDg Description generation batch_69a4a26550348190a7cbfd9002274fc3 completed March 1, 2026, 8:32 p.m.
NED2 Entity disambiguation (via description) batch_69a4a2b9c744819082dbadd54b0e2a65 completed March 1, 2026, 8:34 p.m.
Created at: Feb. 28, 2026, 1:09 p.m.