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CN
2006
115views more  CN 2006»
14 years 9 months ago
MuSeQoR: Multi-path failure-tolerant security-aware QoS routing in Ad hoc wireless networks
In this paper, we present MuSeQoR: a new multi-path routing protocol that tackles the twin issues of reliability (protection against failures of multiple paths) and security, whil...
Tamma Bheemarjuna Reddy, S. Sriram, B. S. Manoj, C...
CN
2006
89views more  CN 2006»
14 years 9 months ago
A flexible concast-based grouping service
Abstract. We present a scalable and flexible grouping service based on concast and best-effort single-source multicast. The service assigns participating end systems to specific gr...
Amit Sehgal, Kenneth L. Calvert, Jim Griffioen
CN
2006
191views more  CN 2006»
14 years 9 months ago
Detection and diagnosis of data inconsistency failures in wireless sensor networks
Most fault-tolerant schemes for wireless sensor networks focus on power failures or crash faults. Little attention has been paid to the data inconsistency failures which occur whe...
Kuo-Feng Ssu, Chih-Hsun Chou, Hewijin Christine Ji...
JCT
2007
97views more  JCT 2007»
14 years 9 months ago
What power of two divides a weighted Catalan number?
Given a sequence of integers b = (b0,b1,b2,...) one gives a Dyck path P of length 2n the weight wt(P) = bh1 bh2 ···bhn , where hi is the height of the ith ascent of P. The corr...
Alexander Postnikov, Bruce E. Sagan
RSA
2010
104views more  RSA 2010»
14 years 8 months ago
An approximation algorithm for counting contingency tables
Abstract. We present a randomized approximation algorithm for counting contingency tables, m × n non-negative integer matrices with given row sums R = (r1, . . . , rm) and column ...
Alexander I. Barvinok, Zur Luria, Alex Samorodnits...