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» Improving HLRTA*( k )
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75
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VLDB
2005
ACM
103views Database» more  VLDB 2005»
15 years 6 months ago
Mapping Maintenance for Data Integration Systems
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
Robert McCann, Bedoor K. AlShebli, Quoc Le, Hoa Ng...
WMPI
2004
ACM
15 years 6 months ago
A compressed memory hierarchy using an indirect index cache
Abstract. The large and growing impact of memory hierarchies on overall system performance compels designers to investigate innovative techniques to improve memory-system efficienc...
Erik G. Hallnor, Steven K. Reinhardt
97
Voted
ATAL
2003
Springer
15 years 6 months ago
Optimal agendas for multi-issue negotiation
There are two ways of handling bilateral multi-issue negotiations – one is to negotiate all the issues together, and the other is to negotiate them one by one. The order in whic...
S. Shaheen Fatima, Michael Wooldridge, Nicholas R....
119
Voted
PODC
2009
ACM
16 years 1 months ago
Fast distributed random walks
Performing random walks in networks is a fundamental primitive that has found applications in many areas of computer science, including distributed computing. In this paper, we fo...
Atish Das Sarma, Danupon Nanongkai, Gopal Panduran...
219
Voted
ICDE
2007
IEEE
137views Database» more  ICDE 2007»
16 years 2 months ago
SAO: A Stream Index for Answering Linear Optimization Queries
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...
Gang Luo, Kun-Lung Wu, Philip S. Yu