TAILIEUCHUNG - Báo cáo khoa học: "Opinion and Generic Question Answering Systems: a Performance Analysis"

The importance of the new textual genres such as blogs or forum entries is growing in parallel with the evolution of the Social Web. This paper presents two corpora of blog posts in English and in Spanish, annotated according to the EmotiBlog annotation scheme. Furthermore, we created 20 factual and opinionated questions for each language and also the Gold Standard for their answers in the corpus. The purpose of our work is to study the challenges involved in a mixed fact and opinion question answering setting by comparing the performance of two Question Answering (QA) systems as far as. | Opinion and Generic Question Answering Systems a Performance Analysis Alexandra Balahur 1 2 1DLSI University of Alicante Ap. De Correos 99 03080 Alicante 2IPSC EC Joint Research Centre Via E. Fermi 21027 Ispra abalahur@ Andrés Montoyo DLSI University of Alicante Ap. De Correos 99 03080 Alicante montoyo@ Abstract The importance of the new textual genres such as blogs or forum entries is growing in parallel with the evolution of the Social Web. This paper presents two corpora of blog posts in English and in Spanish annotated according to the EmotiBlog annotation scheme. Furthermore we created 20 factual and opinionated questions for each language and also the Gold Standard for their answers in the corpus. The purpose of our work is to study the challenges involved in a mixed fact and opinion question answering setting by comparing the performance of two Question Answering QA systems as far as mixed opinion and factual setting is concerned. The first one is open domain while the second one is opinion-oriented. We evaluate separately the two systems in both languages and propose possible solutions to improve QA systems that have to process mixed questions. Introduction and motivation In the last few years the number of blogs has grown exponentially. Thus the Web contains more and more subjective texts. A research from the Pew Institute shows that blogs are created daily Pang and Lee 2008 . They approach a great variety of topics computer science sociology political science or economics and are written by different types of people thus are a relevant resource for large community behavior analysis. Due to the high volume of data contained in blogs new Natural Language Proc- Ester Boldrini DLSI University of Alicante Ap. De Correos 99 03080 Alicante eboldrini@ Patricio Martínez-Barco DLSI University of Alicante Ap. De Correos 99 03080 Alicante patricio@ essing NLP resources tools and methods are needed in order to manage .

• Báo cáo khoa học
• Opinion and Generic Question Answering Systems
• Performance Analysis
• Alexandra Balahur
• 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