Wisam Dakka

Answering General Time-Sensitive Queries (2009)

Wisam Dakka, Luis Gravano, Panagiotis G. Ipeirotis

Time is an important dimension of relevance for a large number of searches, such as over blogs and news archives. So far, research on searching over such collections has largely focused on locating...

Query by document (2009)

Yang, Yin, Bansal, Nilesh, Dakka, Wisam, Ipeirotis, Panagiotis, Koudas, Nick, Papadias, Dimitris

We are experiencing an unprecedented increase of content contributed by users in forums such as blogs, social networking sites and microblogging services. Such abundance of content complements...

Faceted Browsing over Large Databases of Text-Annotated Objects (2008)

Wisam Dakka

We demonstrate a fully working system for multifaceted browsing over large collections of text-annotated data, such as annotated images, that are stored in relational databases. Typically, such...

Comparing American and Palestinian Perceptions of Charisma Using Acoustic-Prosodic and Lexical Analysis (2008)

Fadi Biadsy, Julia Hirschberg, Andrew Rosenberg, Wisam Dakka

Charisma, the ability to lead by virtue of personality alone, is difficult to define but relatively easy to identify. However, cultural factors clearly affect perceptions of charisma. In this paper...

Augmenting Wikipedia with Named Entity Tags (2008)

Wisam Dakka

Wikipedia is the largest organized knowledge repository on the Web, increasingly employed by natural language processing and search tools. In this paper, we investigate the task of labeling Wikipedia...

Comparing American and Palestinian Perceptions of Charisma Using Acoustic-Prosodic and Lexical Analysis (2008)

Fadi Biadsy, Julia Hirschberg, Andrew Rosenberg, Wisam Dakka

Charisma, the ability to lead by virtue of personality alone, is difficult to define but relatively easy to identify. However, cultural factors clearly affect perceptions of charisma. In this paper...

ABSTRACT Automatic Discovery of Useful Facet Terms (2008)

Wisam Dakka

Databases of text and text-annotated data constitute a significant fraction of the information available in electronic form. Searching and browsing are the typical ways that users locate items of...

ABSTRACT Efficient Summarization-Aware Search for Online News Articles (2008)

Wisam Dakka

News portals gather and organize news articles published daily on the Internet. Typically, news articles are clustered into “events” and each cluster is displayed with a short description of its...

Automatic extraction of useful facet hierarchies from text databases (2008)

Wisam Dakka, Panagiotis G. Ipeirotis

Abstract — Databases of text and text-annotated data constitute a significant fraction of the information available in electronic form. Searching and browsing are the typical ways that users locate...

Automatic construction of multifaceted browsing interfaces (2005)

Wisam Dakka

Databases of text and text-annotated data constitute a significant fraction of the information available in electronic form. Searching and browsing are the typical ways that users locate items of...