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PVLDB
2010
139views more  PVLDB 2010»
15 years 24 days 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...
ICDM
2002
IEEE
448views Data Mining» more  ICDM 2002»
15 years 11 months ago
Feature Selection Algorithms: A Survey and Experimental Evaluation
In view of the substantial number of existing feature selection algorithms, the need arises to count on criteria that enables to adequately decide which algorithm to use in certai...
Luis Carlos Molina, Lluís Belanche, À...
PODS
2008
ACM
141views Database» more  PODS 2008»
16 years 6 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
SOSP
2007
ACM
16 years 2 months ago
Improving file system reliability with I/O shepherding
We introduce a new reliability infrastructure for file systems called I/O shepherding. I/O shepherding allows a file system developer to craft nuanced reliability policies to de...
Haryadi S. Gunawi, Vijayan Prabhakaran, Swetha Kri...
NDSS
2005
IEEE
15 years 11 months ago
Security Analysis and Improvements for IEEE 802.11i
This paper analyzes the IEEE 802.11i wireless networking standard with respect to data confidentiality, integrity, mutual authentication, and availability. Under our threat model,...
Changhua He, John C. Mitchell