Questionscan be classified basedon their degree of difficulty. Asthe level of difficulty increases, question answeringsystemsneedto rely on richer semantic ontoiogies and larger k...
Evaluating complex system is a complex task. Evaluation campaigns are organized each year to test different systems on global results, but they do not evaluate the relevance of th...
Question answering systems are complex systems using natural language processing. Some evaluation campaigns are organized to evaluate such systems in order to propose a classifica...
This paper proposes a system to facilitate exchange of information by automatically finding experts, competent in answering a given question. Our objective is to provide an onlin...
This paper presents a Multiple Combined Ranker (MCR) approach for answering definitional questions. Generally, our MCR approach first extracts question target-related knowledge as ...