British National Corpus

BNC contains about 100 million words: 90% written, 10% orthographically transcribed spoken text. The written part of the BNC (90%) includes, for example, extracts from regional and national newspapers, specialist periodicals and journals for all ages and interests, academic books and popular fiction, published and unpublished letters and memoranda, school and university essays, among many other kinds of text. The spoken part (10%) consists of orthographic transcriptions of unscripted informal conversations (recorded by volunteers selected from different age, region and social classes in a demographically balanced way) and spoken language collected in different contexts, ranging from formal business or government meetings to radio shows and phone-ins.

BNC（英国国家语料库，British National Corpus）共包含约1亿单词，其中90%为书面文本，10%为经正字法转写的口语文本。BNC的书面语子库（占比90%）涵盖多类文本资源，例如面向全年龄段、各兴趣领域的地方及全国性报纸、专业期刊与学术杂志，学术专著与通俗小说，已出版与未出版的书信、备忘录，中小学及大学课程论文，以及其他诸多文本品类。其口语语子库（占比10%）则包含两类转写内容：一是无脚本非正式对话的正字转写文本，该类对话的录制样本由遵循人口统计学均衡抽样原则选取的不同年龄、地域与社会阶层的志愿者提供；二是从正式商务/政务会议、广播节目到听众热线互动等多元场景中采集的口语语言转写文本。

搜集汇总

背景与挑战

背景概述

British National Corpus（BNC）是一个约1亿单词的大型英语语料库，其中90%为书面文本，10%为口语转写文本。该数据集涵盖了报纸、期刊、书籍、信件等多种书面材料，以及非正式对话和正式场合的口语录音，具有广泛的代表性和平衡性，适用于语言学分析和研究。