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Query expansion (QE) is an important process in information retrieval applications that improves the user query and helps in retrieving relevant results. In this paper, we introduce a hybrid query expansion model (HQE) that investigates how ...

Detecting academic plagiarism is a pressing problem, e.g., for educational and research institutions, funding agencies, and academic publishers. Existing plagiarism detection systems reliably identify copied text, or near copies of text, but often fail ...

Explicit Semantic Analysis (ESA) is a knowledge-based method which builds the semantic representation of the words depending on the textual description of the concepts in the certain knowledge source. Due to its simplicity and success, ESA has received ...

In this article we propose a general framework incorporating semantic indexing and search of texts within scientific document repositories. In our approach, a semantic interpreter, which can be seen as a tool for automatic tagging of textual data, is ...

Expert finding addresses the task of finding the right person with the appropriate knowledge or skills. State-of-the-art expert finding algorithms usually estimate the relevance between the query and the support documents of candidates using language ...