Triple

T8456804
Position Surface form Disambiguated ID Type / Status
Subject HSL 1 E199938 entity
Predicate partOfRoute P6309 FINISHED
Object Brussels–London high-speed rail corridor
The Brussels–London high-speed rail corridor is the international high-speed railway link connecting Brussels with London via the Channel Tunnel, primarily served by Eurostar services.
E737789 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: Brussels–London high-speed rail corridor | Statement: [HSL 1, partOfRoute, Brussels–London high-speed rail corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brussels–London high-speed rail corridor
Context triple: [HSL 1, partOfRoute, Brussels–London high-speed rail corridor]
  • A. Paris–London high-speed corridor
    The Paris–London high-speed corridor is a major international rail route linking the French and British capitals via high-speed lines and the Channel Tunnel, enabling fast Eurostar services between the two cities.
  • B. Paris–Amsterdam high-speed corridor
    The Paris–Amsterdam high-speed corridor is a major European rail axis linking France, Belgium, and the Netherlands via high-speed lines that enable fast passenger services between Paris and Amsterdam.
  • C. Brussels–Lille high-speed railway
    The Brussels–Lille high-speed railway is an international high-speed rail line in Western Europe that connects Brussels in Belgium with Lille in northern France as part of the broader European high-speed rail network.
  • D. Brussels–Luxembourg rail corridor
    The Brussels–Luxembourg rail corridor is a major international railway route linking Belgium’s capital with the Grand Duchy of Luxembourg, serving as an important axis for passenger and freight transport in Western Europe.
  • E. Sud Europe Atlantique high-speed line
    The Sud Europe Atlantique high-speed line is a French high-speed railway connecting Tours and Bordeaux, forming a key segment of the TGV network toward southwestern France and Spain.
  • 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: Brussels–London high-speed rail corridor
Triple: [HSL 1, partOfRoute, Brussels–London high-speed rail corridor]
Generated description
The Brussels–London high-speed rail corridor is the international high-speed railway link connecting Brussels with London via the Channel Tunnel, primarily served by Eurostar services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brussels–London high-speed rail corridor
Target entity description: The Brussels–London high-speed rail corridor is the international high-speed railway link connecting Brussels with London via the Channel Tunnel, primarily served by Eurostar services.
  • A. Paris–London high-speed corridor
    The Paris–London high-speed corridor is a major international rail route linking the French and British capitals via high-speed lines and the Channel Tunnel, enabling fast Eurostar services between the two cities.
  • B. Paris–Amsterdam high-speed corridor
    The Paris–Amsterdam high-speed corridor is a major European rail axis linking France, Belgium, and the Netherlands via high-speed lines that enable fast passenger services between Paris and Amsterdam.
  • C. Brussels–Lille high-speed railway
    The Brussels–Lille high-speed railway is an international high-speed rail line in Western Europe that connects Brussels in Belgium with Lille in northern France as part of the broader European high-speed rail network.
  • D. Brussels–Luxembourg rail corridor
    The Brussels–Luxembourg rail corridor is a major international railway route linking Belgium’s capital with the Grand Duchy of Luxembourg, serving as an important axis for passenger and freight transport in Western Europe.
  • E. Sud Europe Atlantique high-speed line
    The Sud Europe Atlantique high-speed line is a French high-speed railway connecting Tours and Bordeaux, forming a key segment of the TGV network toward southwestern France and Spain.
  • 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_69ca8318231881908fd1bc1c4d45d286 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe48f180c8190a71cf9d7248ade60 completed March 31, 2026, 3:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce4dd244988190904b0df97016ae13 completed April 2, 2026, 11:06 a.m.
NEDg Description generation batch_69ce4f587a7081908c357f82bc28a1aa completed April 2, 2026, 11:13 a.m.
NED2 Entity disambiguation (via description) batch_69ce5059e0f48190b8ff08253337f430 completed April 2, 2026, 11:17 a.m.
Created at: March 30, 2026, 6:10 p.m.