Originating from Facebook, LinkedIn, Twitter, Instagram, YouTube, and many other
networking sites, the social media shared by users and the associated metadata are …

We present an approach to query modeling that leverages the temporal distribution of
documents in an initially retrieved set of documents. In news-related document collections …

Passage retrieval is usually defined as the task of searching for passages which may
contain the answer for a given query. While these approaches are very efficient when …

When users investigate a topic, they are often interested in results that are not just relevant,
but also strongly opinionated or covering a range of times. To get such results, users are …

Recently, user generated content is growing rapidly and becoming one of the most important
sources of information in the web. Blogosphere (the collection of blogs on the web) is one of …

The foremost requirement of health information seekers is to retrieve high quality and up-to
date information from web search engine results. Current techniques rely heavily on Web …