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WWW
2005
ACM
16 years 4 months ago
An enhanced model for searching in semantic portals
Semantic Portal is the next generation of web portals that are powered by Semantic Web technologies for improved information sharing and exchange for a community of users. Current...
Lei Zhang, Yong Yu, Jian Zhou, Chenxi Lin, Yin Yan...
115
Voted
CHI
2008
ACM
16 years 4 months ago
What to do when search fails: finding information by association
Sometimes people cannot remember the names or locations of things on their computer, but they can remember what other things are associated with them. We created Feldspar, the fir...
Duen Horng Chau, Brad A. Myers, Andrew Faulring
143
Voted
STOC
2007
ACM
98views Algorithms» more  STOC 2007»
16 years 4 months ago
Negative weights make adversaries stronger
The quantum adversary method is one of the most successful techniques for proving lower bounds on quantum query complexity. It gives optimal lower bounds for many problems, has ap...
Peter Høyer, Troy Lee, Robert Spalek
148
Voted
SDM
2009
SIAM
164views Data Mining» more  SDM 2009»
16 years 25 days ago
Time-Decayed Correlated Aggregates over Data Streams.
Data stream analysis frequently relies on identifying correlations and posing conditional queries on the data after it has been seen. Correlated aggregates form an important examp...
Graham Cormode, Srikanta Tirthapura, Bojian Xu
TPCTC
2009
Springer
190views Hardware» more  TPCTC 2009»
15 years 10 months ago
A Performance Study of Event Processing Systems
Abstract. Event processing engines are used in diverse mission-critical scenarios such as fraud detection, traffic monitoring, or intensive care units. However, these scenarios hav...
Marcelo R. N. Mendes, Pedro Bizarro, Paulo Marques