Automated Question Answering From Videos: NLP vs. Pattern Matching

نویسندگان

  • Jinwei Cao
  • Dmitri Roussinov
  • José Antonio Robles-Flores
چکیده

We have explored the feasibility of automated question answering from video material used in conjunction with PowerPoint slides. We have tested separately and combined two recently becoming popular approaches to question answering: 1) the approach based on deep Natural Language parsing and 2) a self-learning probabilistic pattern matching approach. The advantages and shortcomings of each of the approach are discussed. We present the results of the comparison and our qualitative observations.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Aplicación de técnicas basadas en PLN al tratamiento de preguntas médicas en Búsqueda de Respuestas

Nowadays, there is an increasing interest in research on QA over restricted domains. Concretely, in this paper we will show the process of question analysis in our medical QA system. In this system we combine the use of NLP techniques and the UMLS Metathesaurus as knowledge source. The main NLP technique is the use of logic forms and the pattern matching technique in this question analysis perf...

متن کامل

A weighted string pattern matching-based passage ranking algorithm for video question answering

Video question answering aims to pinpoint answers in response to user’s specified questions. However, most question answering technologies involve in integrating rich specific external knowledge such as syntactic parsers, which are often unavailable for many languages. In this paper, we present a new string pattern matching-based passage ranking algorithm for extending traditional text Q/A towa...

متن کامل

Using Generalized Language Model for Question Matching

Question and answering service is one of the popular services in the World Wide Web. The main goal of these services is to finding the best answer for user's input question as quick as possible. In order to achieve this aim, most of these use new techniques foe question matching. . We have a lot of question and answering services in Persian web, so it seems that developing a question matching m...

متن کامل

QARAB: A: Question Answering System to Support the Arabic Language

We describe the design and implementation of a question answering (QA) system called QARAB. It is a system that takes natural language questions expressed in the Arabic language and attempts to provide short answers. The system’s primary source of knowledge is a collection of Arabic newspaper text extracted from Al-Raya, a newspaper published in Qatar. During the last few years the information ...

متن کامل

A New Question Answering Approach with Conceptual Graphs

With the increasing availability of large-scale structured knowledge bases and natural language processing (NLP) techniques aided by advanced information retrieval (IR) techniques, question answering (QA) systems have entered into a commercialization era. However, the types of questions that can be answered are somewhat limited to encyclopedic knowledge that are often either well structured lik...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2004