CLEF
Catalogue of Lexico-grammatical
English Features
alpha+1e8e6760 (2026-02-22 14:20 UTC)

About CLEF • Browse Features

Biber 1988 • Xiao 2009 • Bohmann 2019 • MFTE

A unified, structured, machine-readable catalogue of linguistic features for multi-dimensional register analysis, corpus stylistics, authorship attribution, and any research that relies on counting lexico-grammatical features in English text.

Features › Lexis › NNP

NNP Proper nouns

MFTE NNP

Definition

Proper nouns (names of people, places, organisations, etc.).

Detection Rules

cql[pos="NNP|NNPS"]

Requires: pos

Normalization

Per nouns

Sources

  • mfte — Le Foll, Elen & Shakir, Muhammad (2023/2025) : Multi-Feature Tagger of English (MFTE) — Python version

View YAML source

← NN Total other nouns All features NN_ALL Total nouns (all) →
NNP Proper nouns
  • Definition
  • Detection
  • Normalization
  • Sources