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WWW
2003
ACM
14 years 7 months ago
Efficient URL caching for world wide web crawling
Crawling the web is deceptively simple: the basic algorithm is (a) Fetch a page (b) Parse it to extract all linked URLs (c) For all the URLs not seen before, repeat (a)?(c). Howev...
Andrei Z. Broder, Marc Najork, Janet L. Wiener
STOC
2005
ACM
147views Algorithms» more  STOC 2005»
14 years 6 months ago
Simulating independence: new constructions of condensers, ramsey graphs, dispersers, and extractors
We present new explicit constructions of deterministic randomness extractors, dispersers and related objects. We say that a distribution X on binary strings of length n is a -sour...
Boaz Barak, Guy Kindler, Ronen Shaltiel, Benny Sud...
MOBIHOC
2004
ACM
14 years 5 months ago
Localized algorithms for energy efficient topology in wireless ad hoc networks
We propose several novel localized algorithms to construct energy efficient routing structures for homogeneous wireless ad hoc networks, where all nodes have same maximum transmis...
Wen-Zhan Song, Yu Wang 0003, Xiang-Yang Li
INFOCOM
2009
IEEE
14 years 27 days ago
An Experimental Evaluation of Rate Adaptation for Multi-Antenna Systems
—Increasingly wireless networks use multi-antenna nodes as in IEEE 802.11n and 802.16. The Physical layer (PHY) in such systems may use the antennas to provide multiple streams o...
Wonsoo Kim, O. Khan, Kien T. Truong, Soon-Hyeok Ch...
CF
2009
ACM
14 years 23 days ago
Wave field synthesis for 3D audio: architectural prospectives
In this paper, we compare the architectural perspectives of the Wave Field Synthesis (WFS) 3D-audio algorithm mapped on three different platforms: a General Purpose Processor (GP...
Dimitris Theodoropoulos, Catalin Bogdan Ciobanu, G...
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