Recommender systems support users in identifying products and services in e-commerce
and other information-rich environments. Recommendation problems have a long history as …

Information retrieval is a fundamental component of human information behavior. The ability
to extract useful information from large electronic resources not only is one of the main …

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 …

This paper provides overview and instruction regarding the evaluation of interactive
information retrieval systems with users. The primary goal of this article is to catalog and …

Este libro se centra en los usuarios humanos de los motores de búsqueda y la herramienta
que utilizan para interactuar con ellos: la interfaz de usuario de búsqueda. El alcance …

By incorporating healthiness into the food recommendation/ranking process we have the
potential to improve the eating habits of a growing number of people who use the Internet as …

In this paper, we define and present a comprehensive classification of user intent for Web
searching. The classification consists of three hierarchical levels of informational …

Web search engines have marked everyone's life by transforming how one searches and
accesses information. Search engines give special attention to the user interface, especially …

Query reformulation is a key user behavior during Web search. Our research goal is to
develop predictive models of query reformulation during Web searching. This article reports …

Detecting query reformulations within a session by a Web searcher is an important area of
research for designing more helpful searching systems and targeting content to particular …