Crowdsourcing information systems are socio-technical systems that provide informational
products or services by harnessing the diverse potential of large groups of people via the …

Modern information retrieval (IR) has come to terms with numerous new media in efforts to
help people find information in increasingly diverse settings. Among these new media are so …

Information retrieval (IR) has changed considerably in recent years with the expansion of the
World Wide Web and the advent of modern and inexpensive graphical user interfaces and …

In this survey, we provide an overview of the literature on knowledge graphs (KGs) in the
context of information retrieval (IR). Modern IR systems can benefit from information …

People have looked for experts since before the advent of computers. With advances in
information retrieval technology and the large-scale availability of digital traces of …

Microblog services let users broadcast brief textual messages to people who" follow" their
activity. Often these posts contain terms called hashtags, markers of a post's meaning …

Despite the availability of the sensor and smart-phone devices to fulfill the ubiquitous
computing vision, the-state-of-the-art falls short of this vision. We argue that the reason for …

The recent rapid growth of the Internet content has led to building recommendation systems
that guide users to their needs through an information retrieving process. An expert …

Finding experts in specified areas is an important task and has attracted much attention in
the information retrieval community. Research on this topic has made significant progress in …

We present Wiser, a new semantic search engine for expert finding in academia. Our system
is unsupervised and it jointly combines classical language modeling techniques, based on …