Autor(es)

Sihem Amer-Yahia and Francesco Bonchi and Carlos Castillo and Esteban Feuerstein and Isabel Méndez-Díaz and Paula Zabala

URL Pública

Abstract

Online search has become a daily activity and a source of a variety of valuable information, from the finest granularity such as finding the address of a specific restaurant, to more complex tasks like looking for accessories compatible with an iPhone or planning a trip. The latter typically involves running multiple search queries to gather information about different places, reading online reviews to find out about hotels, and checking geographic proximity of places to visit. We refer to this information seeking activity as composite retrieval and propose to organize results into item bundles that together constitute an improved exploratory experience over ranked lists.As a first step towards composite retrieval definition, we need to formalize intuitive desirable properties of item bundles. We distinguish between properties of each bundle in the answer and properties of the answer as a whole. Consider the case of a user …