Triple

T18103818
Position Surface form Disambiguated ID Type / Status
Subject Merstham railway station E433295 entity
Predicate hasRailCode P18202 FINISHED
Object MER
MER is the National Rail station code for Merstham railway station in Surrey, England.
 E1304729 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: MER | Statement: [Merstham railway station, hasRailCode, MER]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MER
Context triple: [Merstham railway station, hasRailCode, MER]
  • A. MER
    MER is the former New York Stock Exchange ticker symbol for Merrill Lynch, the prominent U.S.-based investment bank and wealth management firm.
  • B. MER
    MER is the abbreviated name of the Mannheimer ERC, a sports club based in Mannheim, Germany.
  • C. MER-A
    MER-A, better known as Spirit, was a NASA Mars Exploration Rover that successfully explored the Martian surface from 2004 until it ceased communication in 2010.
  • D. MR
    MR is a Belgian French-speaking liberal political party that participated as one of the partners in the federal Vivaldi coalition government led by Alexander De Croo.
  • E. MR
    MR is the official vehicle registration code used on license plates for the city of Marburg in the German state of Hesse.
  • 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: MER
Triple: [Merstham railway station, hasRailCode, MER]
Generated description
MER is the National Rail station code for Merstham railway station in Surrey, England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MER
Target entity description: MER is the National Rail station code for Merstham railway station in Surrey, England.
  • A. MER
    MER is the former New York Stock Exchange ticker symbol for Merrill Lynch, the prominent U.S.-based investment bank and wealth management firm.
  • B. MER
    MER is the abbreviated name of the Mannheimer ERC, a sports club based in Mannheim, Germany.
  • C. MER-A
    MER-A, better known as Spirit, was a NASA Mars Exploration Rover that successfully explored the Martian surface from 2004 until it ceased communication in 2010.
  • D. MR
    MR is a Belgian French-speaking liberal political party that participated as one of the partners in the federal Vivaldi coalition government led by Alexander De Croo.
  • E. MR
    MR is the official vehicle registration code used on license plates for the city of Marburg in the German state of Hesse.
  • 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_69d8b90916008190a1f110bd7ced5473 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4ddb8dd308190a9c98ac2b1d8b872 completed April 19, 2026, 1:50 p.m.
NED1 Entity disambiguation (via context triple) batch_6a035da76a448190909d04d8ecff3a33 completed May 12, 2026, 5:04 p.m.
NEDg Description generation batch_6a035f5802988190b4ba3b6fd3790d92 completed May 12, 2026, 5:11 p.m.
NED2 Entity disambiguation (via description) batch_6a035fbf73f88190b4f648d7805db686 completed May 12, 2026, 5:13 p.m.
Created at: April 10, 2026, 10:28 a.m.