Triple

T1217876
Position Surface form Disambiguated ID Type / Status
Subject Red Line (Washington Metro) E26147 entity
Predicate hasTerminus P388 FINISHED
Object Glenmont station
Glenmont station is a Washington Metro rapid transit station in Montgomery County, Maryland, serving as the northern terminus of the system's Red Line.
E229409 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: Glenmont station | Statement: [Red Line (Washington Metro), hasTerminus, Glenmont station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Glenmont station
Context triple: [Red Line (Washington Metro), hasTerminus, Glenmont station]
  • A. Forest Hills station
    Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
  • B. Merrick station
    Merrick station is a Long Island Rail Road commuter rail stop in Merrick, New York, serving passengers on the busy Babylon Branch between New York City and eastern Long Island.
  • C. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • D. Shawmut station
    Shawmut station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood along the Ashmont branch.
  • E. Park Place station
    Park Place station is a New York City Subway station in Lower Manhattan that serves the 2 and 3 lines and is part of a larger interconnected transit hub with nearby stations.
  • 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: Glenmont station
Triple: [Red Line (Washington Metro), hasTerminus, Glenmont station]
Generated description
Glenmont station is a Washington Metro rapid transit station in Montgomery County, Maryland, serving as the northern terminus of the system's Red Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Glenmont station
Target entity description: Glenmont station is a Washington Metro rapid transit station in Montgomery County, Maryland, serving as the northern terminus of the system's Red Line.
  • A. Forest Hills station
    Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
  • B. Merrick station
    Merrick station is a Long Island Rail Road commuter rail stop in Merrick, New York, serving passengers on the busy Babylon Branch between New York City and eastern Long Island.
  • C. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • D. Shawmut station
    Shawmut station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood along the Ashmont branch.
  • E. Park Place station
    Park Place station is a New York City Subway station in Lower Manhattan that serves the 2 and 3 lines and is part of a larger interconnected transit hub with nearby stations.
  • 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_69a4948331fc8190b531ac9bec71c491 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4be08157c8190b248bb75b922644f completed March 1, 2026, 10:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69ae1fa73fe8819097bcd6c07793bc52 completed March 9, 2026, 1:17 a.m.
NEDg Description generation batch_69ae20efd4dc8190addf69c80a33d247 completed March 9, 2026, 1:22 a.m.
NED2 Entity disambiguation (via description) batch_69ae21b4ce248190bbd7542592db0ec4 completed March 9, 2026, 1:26 a.m.
Created at: March 1, 2026, 7:46 p.m.