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» Decathlon, Conflicting Objectives and User Preference Queryi...
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SEBD
2007
113views Database» more  SEBD 2007»
13 years 9 months ago
Conditional Preferences: A New Semantics for Database Queries
Preference queries aim to retrieve from large databases those objects that better match user’s requirements. Approaches proposed so far in the DB field for specifying preference...
Paolo Ciaccia
PVLDB
2010
139views more  PVLDB 2010»
13 years 2 months ago
Identifying the Most Influential Data Objects with Reverse Top-k Queries
Top-k queries are widely applied for retrieving a ranked set of the k most interesting objects based on the individual user preferences. As an example, in online marketplaces, cus...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
SIGMOD
2001
ACM
108views Database» more  SIGMOD 2001»
14 years 7 months ago
PREFER: A System for the Efficient Execution of Multi-parametric Ranked Queries
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
Vagelis Hristidis, Nick Koudas, Yannis Papakonstan...
CHI
2009
ACM
14 years 8 months ago
An evaluation of coordination techniques for protecting objects and territories in tabletop groupware
Indirect input techniques allow users to quickly access all parts of tabletop workspaces without the need for physical access; however, indirect techniques restrict the available ...
David Pinelle, Mutasem Barjawi, Miguel A. Nacenta,...
AVI
2004
13 years 9 months ago
ValueCharts: analyzing linear models expressing preferences and evaluations
In this paper we propose ValueCharts, a set of visualizations and interactive techniques intended to support decision-makers in inspecting linear models of preferences and evaluat...
Giuseppe Carenini, John Loyd