Core techniques of question answering systems over knowledge bases: a survey

D Diefenbach, V Lopez, K Singh, P Maret - Knowledge and Information …, 2018 - Springer
Abstract The Semantic Web contains an enormous amount of information in the form of
knowledge bases (KB). To make this information available, many question answering (QA) …

[HTML][HTML] Neural, symbolic and neural-symbolic reasoning on knowledge graphs

J Zhang, B Chen, L Zhang, X Ke, H Ding - AI Open, 2021 - Elsevier
Abstract Knowledge graph reasoning is the fundamental component to support machine
learning applications such as information extraction, information retrieval, and …

A comparative survey of recent natural language interfaces for databases

K Affolter, K Stockinger, A Bernstein - The VLDB Journal, 2019 - Springer
Over the last few years, natural language interfaces (NLI) for databases have gained
significant traction both in academia and industry. These systems use very different …

Question answering on freebase via relation extraction and textual evidence

K Xu, S Reddy, Y Feng, S Huang, D Zhao - arxiv preprint arxiv …, 2016 - arxiv.org
Existing knowledge-based question answering systems often rely on small annotated
training data. While shallow methods like relation extraction are robust to data scarcity, they …

Survey on challenges of question answering in the semantic web

K Höffner, S Walter, E Marx, R Usbeck… - Semantic …, 2017 - journals.sagepub.com
Semantic Question Answering (SQA) removes two major access requirements to the
Semantic Web: the mastery of a formal query language like SPARQL and knowledge of a …

Semantic search on text and knowledge bases

H Bast, B Buchhold, E Haussmann - Foundations and Trends® …, 2016 - nowpublishers.com
This article provides a comprehensive overview of the broad area of semantic search on text
and knowledge bases. In a nutshell, semantic search is “search with meaning”. This …

EARL: joint entity and relation linking for question answering over knowledge graphs

M Dubey, D Banerjee, D Chaudhuri… - The Semantic Web–ISWC …, 2018 - Springer
Many question answering systems over knowledge graphs rely on entity and relation linking
components in order to connect the natural language input to the underlying knowledge …

A survey on question answering systems over linked data and documents

E Dimitrakis, K Sgontzos, Y Tzitzikas - Journal of intelligent information …, 2020 - Springer
Question Answering (QA) systems aim at supplying precise answers to questions, posed by
users in a natural language form. They are used in a wide range of application areas, from …

Towards a question answering system over the semantic web

D Diefenbach, A Both, K Singh, P Maret - Semantic Web, 2020 - journals.sagepub.com
With the development of the Semantic Web, a lot of new structured data has become
available on the Web in the form of knowledge bases (KBs). Making this valuable data …

Question answering over knowledge graphs: question understanding via template decomposition

W Zheng, JX Yu, L Zou, H Cheng - Proceedings of the VLDB Endowment, 2018 - dl.acm.org
The gap between unstructured natural language and structured data makes it challenging to
build a system that supports using natural language to query large knowledge graphs. Many …