ONLINE THREAD RETRIEVAL USING THREAD STRUCTURE AND QUERY SUBJECTIVITY

Methods and arrangements for handling queries for a discussion thread. A contemplated method includes: receiving a query; automatically classifying the query as subjective, objective or neither; and upon classifying the query as subjective or objective: calculating, for discussion threads of the query, at least one of: a subjectivity score and an objectivity score; determining a degree of relevance to the query of at least one of: the discussion threads, and at least one post in the at least one discussion thread; and ranking the discussion threads based on said calculating and determining. Other variants and embodiments are broadly contemplated herein.