Sciweavers

260 search results - page 39 / 52
» Preferences for Queries in a Mediator Approach
Sort
View
SIGMOD
1999
ACM
110views Database» more  SIGMOD 1999»
14 years 5 days ago
Multi-dimensional Selectivity Estimation Using Compressed Histogram Information
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
Ju-Hong Lee, Deok-Hwan Kim, Chin-Wan Chung
IJCAI
2007
13 years 9 months ago
Automated Design of Multistage Mechanisms
Mechanism design is the study of preference aggregation protocols that work well in the face of self-interested agents. We present the first general-purpose techniques for automa...
Tuomas Sandholm, Vincent Conitzer, Craig Boutilier
GIS
2002
ACM
13 years 7 months ago
Design of field wrappers for mobile field data collection
In mobile field data collection, data gatherer requires to get geospatial information service to support in navigating to the right locations, describing context of observed objec...
Peisheng Zhao, Sarah Nusser, Leslie L. Miller
RECSYS
2009
ACM
14 years 2 months ago
Regret-based optimal recommendation sets in conversational recommender systems
Current conversational recommender systems are unable to offer guarantees on the quality of their recommendations due to a lack of principled user utility models. We develop an ap...
Paolo Viappiani, Craig Boutilier
IQ
2001
13 years 9 months ago
Improving the Quality of Corporate Household Data: Current Practices and Research Directions
: Corporate household data not only refers to the strict hierarchical structure about and within the corporation, but also the variety of inter-organizational relationships. It is ...
Stuart E. Madnick, Richard Y. Wang, Frank Dravis, ...