Li Gao

Query expansion for exploratory search with subtopic discovery in Community Question Answering

2016

Exploratory search is cumbersome with today's search engines, where a user aims to better understand complex concepts. Query expansions techniques have been widely used in exploratory search. However, query expansions often recommend queries that differ …

An elm-based classification algorithm with optimal cutoff selection for credit risk assessment

2016 · Filomat

In this paper, an extreme learning machine (ELM) classification algorithm with optimal cutoff selection is proposed for credit risk assessment. Different from existing models using a fixed cutoff value (0.0 or 0.5), the proposed classification …