Triple

T11801587

Position	Surface form	Disambiguated ID	Type / Status
Subject	Old Bexley and Sidcup	`E280637`	entity
Predicate	hasByElection	`P47256`	FINISHED
Object	2021 Old Bexley and Sidcup by-election The 2021 Old Bexley and Sidcup by-election was a UK parliamentary contest held to fill the House of Commons seat for the Old Bexley and Sidcup constituency following the death of its sitting Conservative MP, James Brokenshire.	`E947946`	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: 2021 Old Bexley and Sidcup by-election | Statement: [Old Bexley and Sidcup, hasByElection, 2021 Old Bexley and Sidcup by-election]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: 2021 Old Bexley and Sidcup by-election
Context triple: [Old Bexley and Sidcup, hasByElection, 2021 Old Bexley and Sidcup by-election]

A. 2006 Bromley and Chislehurst by-election
The 2006 Bromley and Chislehurst by-election was a UK parliamentary contest triggered by the death of the sitting Conservative MP, notable for the sharply reduced Conservative majority and a strong challenge from the Liberal Democrats.
B. 2021 London mayoral election
The 2021 London mayoral election was a contest to choose the Mayor of London, ultimately resulting in the re-election of Labour incumbent Sadiq Khan amid a crowded field of candidates.
C. 1982 Peckham by-election
The 1982 Peckham by-election was a UK parliamentary by-election in the Peckham constituency that brought future Labour Party deputy leader Harriet Harman into the House of Commons.
D. 2004 Birmingham Hodge Hill by-election
The 2004 Birmingham Hodge Hill by-election was a UK parliamentary contest held to fill a vacant House of Commons seat in the Birmingham Hodge Hill constituency.
E. UK parliamentary by-elections
UK parliamentary by-elections are special elections held to fill vacant seats in the House of Commons between general elections in the United Kingdom.
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: 2021 Old Bexley and Sidcup by-election
Triple: [Old Bexley and Sidcup, hasByElection, 2021 Old Bexley and Sidcup by-election]

Generated description

The 2021 Old Bexley and Sidcup by-election was a UK parliamentary contest held to fill the House of Commons seat for the Old Bexley and Sidcup constituency following the death of its sitting Conservative MP, James Brokenshire.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: 2021 Old Bexley and Sidcup by-election
Target entity description: The 2021 Old Bexley and Sidcup by-election was a UK parliamentary contest held to fill the House of Commons seat for the Old Bexley and Sidcup constituency following the death of its sitting Conservative MP, James Brokenshire.

A. 2006 Bromley and Chislehurst by-election
The 2006 Bromley and Chislehurst by-election was a UK parliamentary contest triggered by the death of the sitting Conservative MP, notable for the sharply reduced Conservative majority and a strong challenge from the Liberal Democrats.
B. 2021 London mayoral election
The 2021 London mayoral election was a contest to choose the Mayor of London, ultimately resulting in the re-election of Labour incumbent Sadiq Khan amid a crowded field of candidates.
C. 1982 Peckham by-election
The 1982 Peckham by-election was a UK parliamentary by-election in the Peckham constituency that brought future Labour Party deputy leader Harriet Harman into the House of Commons.
D. 2004 Birmingham Hodge Hill by-election
The 2004 Birmingham Hodge Hill by-election was a UK parliamentary contest held to fill a vacant House of Commons seat in the Birmingham Hodge Hill constituency.
E. UK parliamentary by-elections
UK parliamentary by-elections are special elections held to fill vacant seats in the House of Commons between general elections in the United Kingdom.
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_69d6ab258b808190b1735835c841e3a4`	completed	April 8, 2026, 7:23 p.m.
NER	Named-entity recognition	`batch_69d8a5a4512c8190b7782e1dee053000`	completed	April 10, 2026, 7:24 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69f13129fa608190b080dc27f8bd7803`	completed	April 28, 2026, 10:14 p.m.
NEDg	Description generation	`batch_69f14e879aa88190a95f13e23dd346f4`	completed	April 29, 2026, 12:19 a.m.
NED2	Entity disambiguation (via description)	`batch_69f156fa5cc48190a43c1d2e5df346fe`	completed	April 29, 2026, 12:55 a.m.

Created at: April 8, 2026, 9:42 p.m.