Sándor Molnár Technical University of Budapest Department of Telecommunications and Telematics Sztoczek u. 2 H-1111 Budapest, Hungary Tel: + 36 1 1813 500/24 71 Fax: + 36 1 1812 302 E-mail: [email protected] Søren Blaabjerg Ellemtel Telecommunication Systems Laboratories Scheelevägen 17 S-223 70 Lund Sweden Tel: + 46 46 18 57 66 Fax: + 46 46 18 57 61 E-mail: Soren.Blaabjerg@ eua.ericsso...

An economic model of the online advertising market is presented, focusing on the effect of ad fraud. In the model, the market is comprised of three classes of players: publishers, advertising networks, and advertisers. The central question is whether ad networks have an incentive to aggressively combat fraud. The main outcome of the model is to answer this question in the affirmative.

L iu Sung-nien was a court painter from Ch'ien-t'ang (modern Hangchow). He painted figures and landscapes and was honored by Emperor Ning-tsung during the Sung Dynasty (960–1279), a prosperous and culturally rich period of Chinese history. The arts (silk tapestries, embroideries, calligraphy, lacquer, porcelain, pottery) explored the complexities of the physical and spiritual world, and paintin...

We describe a simplified, automated method for screening urinary iodine. Digestion with strong acid is avoided by dialyzing urine and then directly analyzing iodine in the dialysate with the ceric ion-arsenious acid system. This method is particularly useful for analyzing large numbers of samples without loss in precision. Urinary iodine excretions are reported for 1224 children 1 to 6 years of...

Use your smartphone number of ethical issues related to the welfare of both patients and offspring. This document replaces the document titled, ‘‘Fertility preservation and reproduction in cancer patients,’’ last published in 2005 (Fertil Steril 2005;83:1622–8). (Fertil Steril 2013;100:1224–31. 2013 by American Society for Reproductive Medicine.) Earn online CME credit related to this document ...