Cover Image, Volume 4, Number 1, January 2022

First Monday , Volume 15 , Number 1 - 4 January 2010

Spam becomes a problem as soon as an online communication medium becomes popular. Twitter's behavioral and structural properties make it a fertile breeding ground for spammers to proliferate. In this article we examine spam around a one–time Twitter meme — " robotpickuplines ". We show the existence of structural network differences between spam accounts and legitimate users. We conclude by hig...

Cover for Volume.13, No.4

IJCIM Volume 7 Number 1: January - April 1999

The Morse code is an international communication language that is simple, speedy, and low cost. The automatic recognition of Morse code is difficult because maintaining a stable typing rate is not easy. In this paper, a suitable adaptive automatic recognition method, the variable degree variable step size Least-Mean-Square algorithm, is provided and its procedure is divided into three modules: ...

Basic and Clinical Neuroscience, Volume 4, Number 4, Full Text

1874 - 2718 , Volume 4 , Number 1

The UDP-3-O-(R-3-hydroxymyristoyl)-N-acetylglucosamine deacetylase LpxC catalyzes the committed reaction of lipid A biosynthesis, an essential pathway in Gram-negative bacteria. We report the backbone resonance assignments of the 34 kDa LpxC from Escherichia coli in complex with the antibiotic L-161,240 using multidimensional, multinuclear NMR experiments. The H chemical shifts of complexed L-1...