The Web has become the most popular place for people to acquire information.
Unfortunately, it is widely recognized that the Web contains a significant amount of untruthful …

A source expansion algorithm automatically extends a given text corpus with related content
from large external sources such as the Web. The expanded corpus is not intended for …

Question–answering systems make good use of knowledge bases (KBs, eg, Wikipedia) for
responding to definition queries. Typically, systems extract relevant facts from articles …

该文描述了一种构建问答式检索系统中答案排序模型的新方法. 该方法结合了基于密度方法的
度量特征和外部知识库, 并且引入了基于语法分析方法的语法关键路径的新特征 …

In the context of question-answering systems, there are several strategies for scoring
candidate answers to definition queries including centroid vectors, bi-term and context …

In this chapter, a brief history of QA systems will be introduced. In addition, different
components of a QA system will be described in detail. Components of the QA architectures …

Chat-bots have seen increased public interest over the last few years. The main focus of
scientific publications, as well as that of existing implementations, however, has been almost …

Most current systems apply flat pattern and flat centroid words, which are extracted only by
relative position to question target, to identify definition sentences. In contrast to the flat …

摘要定义句模板和关联词向量作为候选定义句选择的常用特征, 前者确定定义的表达形式,
后者确定定义的叙述内容. 目前, 大多数定义类问题回答系统中都是根据问题Target …

Web users increasingly treat the Web as a very large knowledge base and use it to acquire
all kinds of knowledge. In this article, we introduce a method that leverages the information …