Question Answering over Text and Knowledge Base

Saeedeh Momtazi, Zahra Abbasiantaeb

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English

Springer International Publishing AG
04 November 2022

Data warehousing; Information retrieval; Expert & knowledge-based systems; Natural language & machine translation; Machine learning

This book provides a coherent and complete overview of various Question Answering (QA) systems. It covers three main categories based on the source of the data that can be unstructured text (TextQA), structured knowledge graphs (KBQA), and the combination of both. Developing a QA system usually requires using a combination of various important techniques, including natural language processing, information retrieval and extraction, knowledge graph processing, and machine learning.

After a general introduction and an overview of the book in Chapter 1, the history of QA systems and the architecture of different QA approaches are explained in Chapter 2. It starts with early close domain QA systems and reviews different generations of QA up to state-of-the-art hybrid models. Next, Chapter 3 is devoted to explaining the datasets and the metrics used for evaluating TextQA and KBQA. Chapter 4 introduces the neural and deep learning models used in QA systems. This chapter includes the required knowledge of deep learning and neural text representation models for comprehending the QA models over text and QA models over knowledge base explained in Chapters 5 and 6, respectively. In some of the KBQA models the textual data is also used as another source besides the knowledge base; these hybrid models are studied in Chapter 7. In Chapter 8, a detailed explanation of some well-known real applications of the QA systems is provided. Eventually, open issues and future work on QA are discussed in Chapter 9.

This book delivers a comprehensive overview on QA over text, QA over knowledge base, and hybrid QA systems which can be used by researchers starting in this field. It will help its readers to follow the state-of-the-art research in the area by providing essential and basic knowledge.

By: Saeedeh Momtazi, Zahra Abbasiantaeb
Imprint: Springer International Publishing AG
Country of Publication: Switzerland
Edition: 2022 ed.
Dimensions: Height: 235mm, Width: 155mm,
Weight: 494g
ISBN: 9783031165511
ISBN 10: 3031165519
Pages: 202
Publication Date: 04 November 2022
Audience: Professional and scholarly , Undergraduate
Format: Hardback
Publisher's Status: Active

- 1. Introduction. - 2. History and Architecture. - 3. Question Answering Evaluation. - 4. Introduction to Neural Networks. - 5. Question Answering over Text. - 6. Question Answering over Knowledge Base. - 7. KBQA Enhanced with Textual Data. - 8. Question Answering in Real Applications. - 9. Future Directions of Question Answering.

Saeedeh Momtazi is an associate professor at Amirkabir University of Technology, Iran. She received a Ph.D. degree in Artificial Intelligence from Saarland University, Germany. After finishing her Ph.D., she worked at the Hasso-Plattner Institute at Potsdam University, Germany and the German Institute for International Educational Research, Germany, as a postdoctoral researcher. Her main research interests are natural language processing and information retrieval. She has taught several courses and tutorials about QA systems and related topics. Zahra Abbasiantaeb obtained her M.Sc. in Artificial Intelligence at the Amirkabir University of Technology, Iran. She also received her B.Sc. degree in Software Engineering from the Amirkabir University of Technology, Iran. Natural language processing and information retrieval with a focus on QA systems are her main research interests. She followed this topic through publishing surveys and technical papers.