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Publications associées (135)

Graph Chatbot

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Evaluating Preference-based Search Tools: a Tale of Two Approaches

Boi Faltings, Pearl Pu Faltings, Paolo Viappiani

People frequently use the world-wide web to find their most preferred item among a large range of options. We call this task preference-based search. The most common tool for preference-based search on the WWW today obtains users' preferences by asking the ...

AAAI press2006

Increasing user decision accuracy using suggestions

Boi Faltings, Pearl Pu Faltings, Paolo Viappiani

The internet presents people with an increasingly bewildering variety of choices. Online consumers have to rely on computerized search tools to find the most preferred option in a reasonable amount of time. Recommender systems address this problem by searc ...

Association for Computing Machinery, New York, NY 10036-5701, United States2006

Preference-based Search using Example-Critiquing with Suggestions

Boi Faltings, Pearl Pu Faltings, Paolo Viappiani

We consider interactive tools that help users search for their most preferred item in a large collection of options. In particular, we examine example-critiquing, a technique for enabling users to incrementally construct preference models by critiquing exa ...

2006

Effort and accuracy analysis of choice strategies for electronic product catalogs

Pearl Pu Faltings, Jiyong Zhang

One crucial task for e-commerce systems is to help buyers find products that not only satisfy their preferences but also reduce their search effort. Usually the amount of available products is far beyond the upper limit that any individual could process by ...

Association for Computing Machinery, New York, NY 10036-5701, United States2005

Concept expansion using semantic fisheye views

Pearl Pu Faltings, Vincent Jean Fabrice Schickel

Exploratory search over a collection often requires users to iteratively apply a variety of strategies, such as searching for more general or more specific concepts in reaction to the information they encounter. Rich semantic models, such as WordNet, are p ...

Springer Verlag, Heidelberg, D-69121, Germany2005

Integrating tradeoff support in product search tools for E-commerce sites

Pearl Pu Faltings, Li Chen

In a previously reported user study, we found that users were able to perform decision tradeoff tasks more efficiently and commit considerably fewer errors with the example critiquing interface than with the ranked list. We concluded that example-based sea ...

Association for Computing Machinery, New York, NY 10036-5701, United States2005

A comparative evaluation of transparent scaling techniques for dynamic content web servers

Willy Zwaenepoel

We study several transparent techniques for scaling dynamic content web sites, and we evaluate their relative impact when used in combination. Full transparency implies strong data consistency as perceived by the user, no modi- fications to existing dynami ...

2005

Content Understanding for Smart Multimedia Systems

Michael Ansorge

The paper is presenting a core idea of the research line, dedicated to tools and utilities for a more friendly information access. In order to make future multimedia systems smarter, new mechanisms for high-level data and user understanding need to be embe ...

2005

Comparison of Database Replication Techniques Based on Total Order Broadcast

André Schiper, Matthias Wiesmann

In this paper, we present a performance comparison of database replication techniques based on total order broadcast. While the performance of total order broadcast-based replication techniques has been studied in previous papers, this paper presents many ...

2005

Survey of Preference Elicitation Methods

Pearl Pu Faltings, Li Chen

As people increasingly rely on interactive decision support systems to choose products and make decisions, building effective interfaces for these systems becomes more and more challenging due to the explosion of on-line information, the initial incomplete ...

2004