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PVLDB
2011
13 years 1 months ago
CoHadoop: Flexible Data Placement and Its Exploitation in Hadoop
Hadoop has become an attractive platform for large-scale data analytics. In this paper, we identify a major performance bottleneck of Hadoop: its lack of ability to colocate relat...
Mohamed Y. Eltabakh, Yuanyuan Tian, Fatma Özc...
PVLDB
2011
13 years 1 months ago
Merging What's Cracked, Cracking What's Merged: Adaptive Indexing in Main-Memory Column-Stores
Adaptive indexing is characterized by the partial creation and refinement of the index as side effects of query execution. Dynamic or shifting workloads may benefit from prelimi...
Stratos Idreos, Stefan Manegold, Harumi A. Kuno, G...
RECOMB
2011
Springer
13 years 1 months ago
Rich Parameterization Improves RNA Structure Prediction
Motivation. Current approaches to RNA structure prediction range from physics-based methods, which rely on thousands of experimentally-measured thermodynamic parameters, to machin...
Shay Zakov, Yoav Goldberg, Michael Elhadad, Michal...
SACMAT
2011
ACM
13 years 1 months ago
Modeling data flow in socio-information networks: a risk estimation approach
Information leakage via the networks formed by subjects (e.g., Facebook, Twitter) and objects (e.g., blogosphere) − some of whom may be controlled by malicious insiders − ofte...
Ting Wang, Mudhakar Srivatsa, Dakshi Agrawal, Ling...
SACMAT
2011
ACM
13 years 1 months ago
xDAuth: a scalable and lightweight framework for cross domain access control and delegation
Cross domain resource sharing and collaborations have become pervasive in today’s service oriented organizations. Existing approaches for the realization of cross domain access ...
Masoom Alam, Xinwen Zhang, Kamran Khan, Gohar Ali