Exploring relevance in microblog search

Microblog search has some important differences with respect to Web search, both in objectives and intents, and in the format and content of microblogs, e.g tweets. Properties such as credibility, informativeness and interestingness of microblogs could be considered as relevance dimensions to be assessed during query processing. In this paper we propose an approach aimed to investigate the association of different relevance dimensions with distinct search tasks in Microblog search. We hypothesize that the importance of a relevance dimension can be different, depending on the considered task. The preliminary results shows that the consideration of different relevance dimensions has a different impact on different search task.