When following the Component-based Architecture (CBA), Web Services (WSs), as individual components, are composed to meet the functional and non-functional requirements of users. As the number of available WSs increases, this process becomes more complex. Therefore, designers must be able to easily (1) define, (2) select, (3) verify, and (4) execute composite WSs. While many papers focus on the ex...Show More
The ability to have the same experience for different user groups (i.e., accessibility) is one of the most important characteristics of Web-based systems. The same is true for Knowledge Graph Question Answering (KGQA) systems that provide the access to Semantic Web data via natural language interface. While following our research agenda on the multilingual aspect of accessibility of KGQA systems, ...Show More
There are around 7000 languages spoken today in the world, yet English dominates in many research communities e.g., Knowledge Graph Question Answering (KGQA). The goal of a KGQA system is to provide natural language access to a knowledge graph. While many research works aim to achieve the best possible QA quality over English benchmarks, only a small share of them additionally focus on providing a...Show More
Software with natural-language user interfaces has an ever-increasing importance. However, the quality of the included Question Answering (QA) functionality is still not sufficient regarding the number of questions that are answered correctly.In our work, we address the research problem of how the QA quality of a given system can be improved just by evaluating the natural-language input (i.e., the...Show More