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WWW
2011
ACM
14 years 10 months ago
Differences in the mechanics of information diffusion across topics: idioms, political hashtags, and complex contagion on twitte
There is a widespread intuitive sense that different kinds of information spread differently on-line, but it has been difficult to evaluate this question quantitatively since it ...
Daniel M. Romero, Brendan Meeder, Jon M. Kleinberg
WWW
2004
ACM
16 years 3 months ago
A hybrid approach for searching in the semantic web
This paper presents a search architecture that combines classical search techniques with spread activation techniques applied to a semantic model of a given domain. Given an ontol...
Cristiano Rocha, Daniel Schwabe, Marcus Poggi de A...
CSE
2009
IEEE
15 years 10 months ago
How Did You Get to Know That? A Traceable Word-of-Mouth Algorithm
Word-of-mouth communication has been shown to play a key role in a variety of environments such as viral marketing and virus spreading. A family of algorithms, generally known as ...
Manuel Cebrián, Enrique Frías-Mart&i...
ICC
2009
IEEE
155views Communications» more  ICC 2009»
15 years 10 months ago
Modeling Random Walk Search Algorithms in Unstructured P2P Networks with Social Information
—Random walk (RW) has been widely used as a strategy for searching in peer-to-peer networks. The boom of social network applications introduces new impact to the classical algori...
Jing Xie, King-Shan Lui
WCNC
2008
IEEE
15 years 9 months ago
Exact BER Performance of Asynchronous MC-DS-CDMA over Nakagami-m Fading Channels
—In this contribution an accurate average bit error rate (BER) formula is derived for Nakagami-faded MC-DSCDMA in the context of asynchronous transmissions and random spreading s...
Besma Smida, Lajos Hanzo, Sofiène Affes