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Author: Nir Ailon
Affiliation:
Technion - Israel Institute of Technology
Haifa, Israel
Abstract.
Preferences and choices are a central source of information generated
by humans. They have been studied for
centuries in the context of social choice theory, econometric theory,
statistics and psychology.
At least two Nobel prizes in economics have been awarded for work
reasoning about human preferences and choices.
In the last two decades computer scientists have studied preference
data, which became available in
unprecedented quantities: Each time we click or tap on a search
result, a sponsored ad or a product
recommendation, we express preference of one alternative from a small
set of alternatives.
Additionally, many crowsdsourcing systems explicitly ask (paid?)
experts to solicit preferences
or even full rankings of alternative sets.
What are the advantages of preferences compared to other forms of information,
and what challenges do they give rise to? I will present important
problems and survey results.
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