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CORR
2011
Springer
259views Education» more  CORR 2011»
14 years 4 months ago
Automatic Optimization for MapReduce Programs
The MapReduce distributed programming framework has become popular, despite evidence that current implementations are inefficient, requiring far more hardware than a traditional r...
Eaman Jahani, Michael J. Cafarella, Christopher R&...
SIGMOD
2011
ACM
290views Database» more  SIGMOD 2011»
14 years 17 days ago
Database state generation via dynamic symbolic execution for coverage criteria
Automatically generating sufficient database states is imperative to reduce human efforts in testing database applications. Complementing the traditional block or branch coverage...
Kai Pan, Xintao Wu, Tao Xie
PODS
2010
ACM
215views Database» more  PODS 2010»
15 years 2 months ago
An optimal algorithm for the distinct elements problem
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
Daniel M. Kane, Jelani Nelson, David P. Woodruff
CN
2007
133views more  CN 2007»
14 years 9 months ago
Automatic high-performance reconstruction and recovery
Self-protecting systems require the ability to instantaneously detect malicious activity at run-time and prevent execution. We argue that it is impossible to perfectly self-protec...
Ashvin Goel, Wu-chang Feng, Wu-chi Feng, David Mai...
POPL
2006
ACM
15 years 10 months ago
The essence of command injection attacks in web applications
Web applications typically interact with a back-end database to retrieve persistent data and then present the data to the user as dynamically generated output, such as HTML web pa...
Zhendong Su, Gary Wassermann