Triple

T994316
Position Surface form Disambiguated ID Type / Status
Subject Hempstead Branch E21461 entity
Predicate terminus P388 FINISHED
Object Hempstead station
Hempstead station is a Long Island Rail Road commuter rail station in Hempstead, New York, serving as the primary rail hub for the surrounding community.
E174810 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: Hempstead station | Statement: [Hempstead Branch, terminus, Hempstead station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hempstead station
Context triple: [Hempstead Branch, terminus, Hempstead station]
  • A. Central Islip station
    Central Islip station is a Long Island Rail Road commuter rail stop in Central Islip, New York, serving passengers on the busy Ronkonkoma Branch.
  • B. Riverhead station
    Riverhead station is a Long Island Rail Road stop in Riverhead, New York, serving passengers on the Ronkonkoma Branch in eastern Suffolk County.
  • C. Hicksville station
    Hicksville station is a major Long Island Rail Road commuter rail hub in Hicksville, New York, serving multiple branches and offering extensive connections.
  • D. Ardsley station
    Ardsley station is a SEPTA Regional Rail stop in Pennsylvania that serves local commuters on the Warminster Line.
  • E. Bethpage station
    Bethpage station is a Long Island Rail Road commuter rail stop in Bethpage, New York, serving passengers on the Ronkonkoma Branch.
  • 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: Hempstead station
Triple: [Hempstead Branch, terminus, Hempstead station]
Generated description
Hempstead station is a Long Island Rail Road commuter rail station in Hempstead, New York, serving as the primary rail hub for the surrounding community.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hempstead station
Target entity description: Hempstead station is a Long Island Rail Road commuter rail station in Hempstead, New York, serving as the primary rail hub for the surrounding community.
  • A. Central Islip station
    Central Islip station is a Long Island Rail Road commuter rail stop in Central Islip, New York, serving passengers on the busy Ronkonkoma Branch.
  • B. Riverhead station
    Riverhead station is a Long Island Rail Road stop in Riverhead, New York, serving passengers on the Ronkonkoma Branch in eastern Suffolk County.
  • C. Hicksville station
    Hicksville station is a major Long Island Rail Road commuter rail hub in Hicksville, New York, serving multiple branches and offering extensive connections.
  • D. Ardsley station
    Ardsley station is a SEPTA Regional Rail stop in Pennsylvania that serves local commuters on the Warminster Line.
  • E. Bethpage station
    Bethpage station is a Long Island Rail Road commuter rail stop in Bethpage, New York, serving passengers on the Ronkonkoma Branch.
  • 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_69a493c476b48190b41fc5e793171cc6 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b4c5e16881908cd5f7ba2fcd5084 completed March 1, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad293450488190ac8a795524ca0c2c completed March 8, 2026, 7:45 a.m.
NEDg Description generation batch_69ad29b9ffa88190a047b213cbfd4c84 completed March 8, 2026, 7:48 a.m.
NED2 Entity disambiguation (via description) batch_69ad2a2d6b7c819083042c3a36fb55e4 completed March 8, 2026, 7:50 a.m.
Created at: March 1, 2026, 7:41 p.m.