With the abundance of information available today, we need efficient tools to explore it. Search engines attempt to retrieve the most relevant documents for a given query, but still require users to look for the exact answer. Question Answering (Q&A) systems go one step further by trying to answer users' questions posed in natural language. In this paper we describe a semantic approach to Q&A retrieval for Bulgarian language. We investigate how the usage of named entity recognition, question answer type detection and dependency parsing can improve the retrieval of answer-bearing structures compared to the bag-of-words model. Moreover, we evaluate nine different dependency parsing algorithms for Bulgarian, and a named entity recognizer trained with data automatically extracted from Wikipedia.
CITATION STYLE
Peshterliev, S., & Koychev, I. (2011). Semantic retrieval approach to factoid question answering for Bulgarian. In Advances in Intelligent and Soft Computing (Vol. 101, pp. 25–32). Springer Verlag. https://doi.org/10.1007/978-3-642-23163-6_4
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