The multinomial language model has been one of the most effective models of retrieval for
more than a decade. However, the multinomial distribution does not model one important …

We consider the problem of searching posts in microblog environments. We frame this
microblog post search problem as a late data fusion problem. Previous work on data fusion …

In Twitter, and other microblogging services, the generation of new content by the crowd is
often biased towards immediacy: what is happening now. Prompted by the propagation of …

Retrieving relevant information from Twitter is always a challenging task given its vocabulary
mismatch, sheer volume and noise. Representing the content of text tweets is a critical part …

The performance of result diversification for tweet search suffers from the well-known
vocabulary mismatch problem, as tweets are too short and usually informal. As a remedy, we …

Microblog, especially twitter, has become an integral part of our daily life for searching latest
news and events information. Due to the short length characteristics of tweets and frequent …

In recent years, microblog services such as Twitter have gained increasing popularity,
leading to active research on how to effectively exploit its content. Microblog documents …

In recent years microblogging services have changed the way we communicate. Microblogs
are a reduced version of web-blogs which are characterised by being just a few characters …

IR is a process of retrieving information (generally documents), which satisfies users' need
for information, from massive unstructured datasets (generally texts that are mostly stored in …

There is an immense number of short-text documents produced as the result of
microblogging. The content produced is growing as the number of microbloggers grows, and …