TAILIEUCHUNG - Báo cáo khoa học: "Correcting Misuse of Verb Forms"

This paper proposes a method to correct English verb form errors made by non-native speakers. A basic approach is template matching on parse trees. The proposed method improves on this approach in two ways. To improve recall, irregularities in parse trees caused by verb form errors are taken into account; to improve precision, n-gram counts are utilized to filter proposed corrections. Evaluation on non-native corpora, representing two genres and mother tongues, shows promising results. | Correcting Misuse of Verb Forms John Lee and Stephanie Seneff Spoken Language Systems MIT Computer Science and Artificial Intelligence Laboratory Cambridge MA 02139 UsA jsylee seneff @ Abstract This paper proposes a method to correct English verb form errors made by non-native speakers. A basic approach is template matching on parse trees. The proposed method improves on this approach in two ways. To improve recall irregularities in parse trees caused by verb form errors are taken into account to improve precision n-gram counts are utilized to filter proposed corrections. Evaluation on non-native corpora representing two genres and mother tongues shows promising results. 1 Introduction In order to describe the nuances of an action a verb may be associated with various concepts such as tense aspect voice mood person and number. In some languages such as Chinese the verb itself is not inflected and these concepts are expressed via other words in the sentence. In highly inflected languages such as Turkish many of these concepts are encoded in the inflection of the verb. In between these extremes English uses a combination of inflections see Table 1 and helping words or auxiliaries to form complex verb phrases. It should come as no surprise then that the misuse of verb forms is a common error category for some non-native speakers of English. For example in the Japanese Learners of English corpus Izumi et al. 2003 errors related to verbs are among the most frequent categories. Table 2 shows some sentences with these errors. Form Example base bare speak base infinitive to speak third person singular speaks past spoke -ing participle speaking -ed participle spoken Table 1 Five forms of inflections of English verbs Quirk et al. 1985 illustrated with the verb speak . The base form is also used to construct the infinitive with to . An exception is the verb to be which has more forms. A system that automatically detects and corrects misused verb forms would be .

• Báo cáo khoa học
• Correcting Misuse
• Verb Forms
• John Lee and Stephanie Seneff
• báo cáo khoa học
• báo cáo ngôn ngữ
• xử lý ngôn ngữ tự nhiên
• Bài giảng Xử lý ngôn ngữ tự nhiên
• Ngôn ngữ tự nhiên
• Kỹ thuật lập trình
• Xử lý nhập nhằng ngữ nghĩa
• Xử lý ngữ nghĩa
• Xử lý ngôn ngữ
• Natural Language Processing
• Ngôn ngữ lập trình
• Nhập nhằng cấu trúc
• Tri thức về ngôn ngữ
• Mô hình ngôn ngữ
• Mô hình n gram
• Dịch máy
• Phương pháp dịch máy
• Hiểu ngôn ngữ
• Phân tích ngữ nghĩa
• Phân loại tin tự động
• Biểu diễn vị từ
• Thuộc tính về sự kiện
• Thuộc tính về sự kiện
• Mô hình ngôn ngữ Google Book N grams
• Mô hình ngôn ngữ KenLM
• Phương pháp làm mịn
• Tách từ tiếng Việt
• Gán nhãn từ loại
• Phân tích cú pháp
• Nghĩa từ vựng
• Phân giải nhập nhằng từ
• Phân loại văn bản
• Lexical chain
• Phản hồi thông tin
• Bài toán PTCP
• Cấu trúc ngữ pháp
• Phân tích cú pháp xác suất
• CKY kết hợp xác suất
• Văn phạm phi ngữ cảnh xác suất
• Hình thái học