Abstract 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 …

Abstract The Linked Data initiative comprises structured databases in the Semantic-Web
data model RDF. Exploring this heterogeneous data by structured query languages is …

We present a semi-automated framework for constructing factoid question answering (QA)
datasets, where an array of question characteristics are formalized, including structure …

We witness an unprecedented proliferation of knowledge graphs that record millions of
entities and their relationships. While knowledge graphs are structure-flexible and content …

As the Web evolves towards a service-oriented architecture, application program interfaces
(APIs) are becoming an increasingly important way to provide access to data, services, and …

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 …

Natural language question answering over knowledge graph has received widespread
attention. However, the existing methods always aim to improve every phase of natural …

Financial and economic data are typically available in the form of tables and comprise
mostly of monetary amounts, numeric and other domain-specific fields. They can be very …

The Web of Linked Data is a huge graph of distributed and interlinked datasources fueled by
structured information. This new environment calls for formal languages and tools to …

Ontology validation is an important part of measuring the quality of an ontology, and the best
way to assure the accuracy of the knowledge encoded in the ontology. One of the earliest …