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SIGMETRICS
2005
ACM
110views Hardware» more  SIGMETRICS 2005»
14 years 1 months ago
Empirical evaluation of multi-level buffer cache collaboration for storage systems
To bridge the increasing processor-disk performance gap, buffer caches are used in both storage clients (e.g. database systems) and storage servers to reduce the number of slow di...
Zhifeng Chen, Yan Zhang, Yuanyuan Zhou, Heidi Scot...
SIGMOD
2009
ACM
137views Database» more  SIGMOD 2009»
14 years 7 months ago
Robust and efficient algorithms for rank join evaluation
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
Jonathan Finger, Neoklis Polyzotis
SIGIR
2005
ACM
14 years 1 months ago
When will information retrieval be "good enough"?
We describe a user study that examined the relationship between the quality of an Information Retrieval system and the effectiveness of its users in performing a task. The task i...
James Allan, Ben Carterette, Joshua Lewis
IJCAI
2007
13 years 9 months ago
Identifying Expressions of Opinion in Context
While traditional information extraction systems have been built to answer questions about facts, subjective information extraction systems will answer questions about feelings an...
Eric Breck, Yejin Choi, Claire Cardie
INFOCOM
2010
IEEE
13 years 6 months ago
Password Strength: An Empirical Analysis
—It is a well known fact that user-chosen passwords are somewhat predictable: by using tools such as dictionaries or probabilistic models, attackers and password recovery tools c...
Matteo Dell'Amico, Pietro Michiardi, Yves Roudier