ICALP
2009
Springer
14 years 5 months ago
2009
Springer
We show several unconditional lower bounds for exponential time classes against polynomial time classes with advice, including:
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
We give new algorithms for learning halfspaces in the challenging malicious noise model, where an adversary may corrupt both the labels and the underlying distribution of examples....
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
We consider the following problem: given an unsorted array of n elements, and a sequence of intervals in the array, compute the median in each of the subarrays defined by the inter...
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
Estimating frequency moments and Lp distances are well studied problems in the adversarial data stream model and tight space bounds are known for these two problems. There has been...
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
We present a range of new results for testing properties of Boolean functions that are defined in terms of the Fourier spectrum. Broadly speaking, our results show that the propert...
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
We present the first uniquely represented data structure for an external memory model of computation, a B-tree analogue called a B-treap. Uniquely represented data structures repre...
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
We improve the approximation ratios for two optimization problems in planar graphs. For node-weighted Steiner tree, a classical network-optimization problem, the best achievable ap...
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
The notion of distributed functional monitoring was recently introduced by Cormode, Muthukrishnan and Yi [CMY08] to initiate a formal study of the communication cost of certain fu...