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» Answering Queries using Humans, Algorithms and Databases
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SIGMOD
2011
ACM
170views Database» more  SIGMOD 2011»
14 years 4 months ago
Warding off the dangers of data corruption with amulet
Occasional corruption of stored data is an unfortunate byproduct of the complexity of modern systems. Hardware errors, software bugs, and mistakes by human administrators can corr...
Nedyalko Borisov, Shivnath Babu, NagaPramod Mandag...
FOCS
2008
IEEE
15 years 8 months ago
A Geometric Approach to Lower Bounds for Approximate Near-Neighbor Search and Partial Match
This work investigates a geometric approach to proving cell probe lower bounds for data structure problems. We consider the approximate nearest neighbor search problem on the Bool...
Rina Panigrahy, Kunal Talwar, Udi Wieder
DASFAA
2005
IEEE
171views Database» more  DASFAA 2005»
15 years 7 months ago
Mining Succinct Systems of Minimal Generators of Formal Concepts
Formal concept analysis has become an active field of study for data analysis and knowledge discovery. A formal concept C is determined by its extent (the set of objects that fall...
Guozhu Dong, Chunyu Jiang, Jian Pei, Jinyan Li, Li...
AAMAS
2011
Springer
14 years 8 months ago
Aggregating value ranges: preference elicitation and truthfulness
We study the case where agents have preferences over ranges (intervals) of values, and we wish to elicit and aggregate these preferences. For example, consider a set of climatologi...
Joseph Farfel, Vincent Conitzer
SIGMOD
2011
ACM
276views Database» more  SIGMOD 2011»
14 years 4 months ago
Schedule optimization for data processing flows on the cloud
Scheduling data processing workflows (dataflows) on the cloud is a very complex and challenging task. It is essentially an optimization problem, very similar to query optimizati...
Herald Kllapi, Eva Sitaridi, Manolis M. Tsangaris,...