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) …

Towards a question answering system over the semantic web

D Diefenbach, A Both, K Singh, P Maret - Semantic Web, 2020 - content.iospress.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 …

Question answering over linked data (QALD-4)

C Unger, C Forascu, V Lopez, ACN Ngomo… - Working notes for …, 2014 - inria.hal.science
With the increasing amount of semantic data available on the web there is a strong need for
systems that allow common web users to access this body of knowledge. Especially …

Wdaqua-core1: a question answering service for rdf knowledge bases

D Diefenbach, K Singh, P Maret - … of the The Web Conference 2018, 2018 - dl.acm.org
In the last two decades a new part of the web grew significantly, namely the Semantic Web. It
contains many Knowledge Bases (KB) about different areas like music, books, publications …

SParseQA: Sequential word reordering and parsing for answering complex natural language questions over knowledge graphs

M Bakhshi, M Nematbakhsh, M Mohsenzadeh… - Knowledge-Based …, 2022 - Elsevier
One of the effective approaches for answering natural language questions (NLQs) over
knowledge graphs consists of two main stages. It first creates a query graph based on the …

A survey on semantic question answering systems

C Antoniou, N Bassiliades - The Knowledge Engineering Review, 2022 - cambridge.org
Recently, many question answering systems that derive answers from linked data
repositories have been developed. The purpose of this survey is to identify the common …

Benchmarking question answering systems

R Usbeck, M Röder, M Hoffmann, F Conrads… - Semantic …, 2019 - content.iospress.com
The necessity of making the Semantic Web more accessible for lay users, alongside the
uptake of interactive systems and smart assistants for the Web, have spawned a new …

Data-driven construction of SPARQL queries by approximate question graph alignment in question answering over knowledge graphs

M Bakhshi, M Nematbakhsh, M Mohsenzadeh… - Expert Systems with …, 2020 - Elsevier
As increasingly more semantic real-world data is stored in knowledge graphs, providing
intuitive and effective query methods for end-users is a fundamental and challenging task …

Matching natural language relations to knowledge graph properties for question answering

IO Mulang, K Singh, F Orlandi - … of the 13th International Conference on …, 2017 - dl.acm.org
Research has seen considerable achievements concerning translation of natural language
patterns into formal queries for Question Answering (QA) based on Knowledge Graphs (KG) …