Sihem Amer Yahia

ABSTRACT (2009)

Sihem Amer Yahia

The popularity of collaborative tagging sites presents a unique opportunity to explore keyword search in a context where query results are determined by the opinion of a network of taggers related to...

Efficient Computation of Diverse Query Results (2008)

Erik Vee, Utkarsh Srivastava, Jayavel Shanmugasundaram, Prashant Bhat, Sihem Amer Yahia

We study the problem of efficiently computing diverse query results in online shopping applications, where users specify queries through a form interface that allows a mix of structured and...

Challenges in searching online communities (2008)

Sihem Amer Yahia, Michael Benedikt, Philip Bohannon

An ever-growing number of users participate in online communities such as Flickr, del.icio.us, and YouTube, making friends and sharing content. Users come to these sites to find out about general...