Question Answering System Based on Web

Question answering is a subfield of information retrieval. It is a task of answering a question posted in a natural language. A question answering system (QAS) may be considered a good alternative to search engines that return a set of related ...

This paper describes a concept-based approach for question answering system in which concept rather than keyword makes an important role on question analysis, document retrieval, and answer extraction. Our idea is that we can extract correct answer from ...

This paper describes how questions can be characterized for question answering (QA) along different facets and focuses on questions that cannot be answered directly but can be divided into simpler ones so that they can be answered directly using ...