This paper describes a framework to support the construction of intelligent virtual assistants
(IVAs). An IVA agent is a software assistant capable of interacting with a user to support …

We describe a general result ranking approach for multi-phase, multi strategy information
systems, which has been applied to the task of question answering (QA). Many information …

Language Processing (NLP) tasks. They have proven to be popular and effective tools to
use to discover groups of similar linguistic items. In this exploratory paper, we propose a …

In this paper we describe a question interpretation module designed as a part of a Question
Answering Dialogue System (QADS) which is used for an interactive quiz application …

Question type (or answer type) classification is the task of determining the correct type of the
answer expected to a given query. This is often done by defining or discovering syntactic …

Although answering list questions is not a new research area, answering them automatically
still remains a challenge. The median F-score of systems that participated in TREC 2007 …

Question analysis is an important task in Question Answering Systems (QAS). To perform
this task, the system must procure fine-grained information about the question types. This …

The importance of Question Answering is growing with the expansion of information and text
documents on the web. Techniques in Question Answering have significantly improved …

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 …

Question type (or answer type) classification is the task of determining the correct type of the
answer expected to a given query. This is often done by defining or discovering syntactic …