Traceable signatures schemes were introduced by Kiayias, Tsiounis and Yung in order to solve traceability issues in group signature schemes. They wanted to enable authorities to delegate some of their detection capabilities to tracing sub-authorities. Instead of opening every single signatures and then threatening privacy, tracing sub-authorities are able to know if a signature was emitted by s...

BACKGROUND Morphologic abnormalities of the pituitary gland volume (PV) have been reported in schizophrenia, but at what point in time they occur remains unclear. This study determines PV across different stages of emerging psychotic disorders compared to healthy controls. METHODS We compared PV of 36 individuals with an at-risk mental state (ARMS) for psychosis, 23 patients with a first epis...

Currently, the Internet and the World Wide Web on-line business is booming, with traffic, advertising and content growing at sustained exponential rates. However, the full potential of on-line commerce has not been possible to realize due to the lack of convenient and secure electronic payment methods (e.g., for buying e-goods and paying with e-money). Although it became clear very early that i...

Forewords This book contains a set of lecture notes that I wrote for an offering of a " Topics in Cryptography " course at Columbia University, in the Spring 1999. It is not clear what use one can make of these notes. The main purpose was to integrate the treatment of the Goldwasser-Bellare lecture notes with some additional proofs, without getting into the level of rigor of Goldreich's book. I...

Background In the quest to improve public schools, an education in basic technological concepts and systems, or “technological literacy,” has been viewed as an important part of a school curriculum (Dugger & Yung, 1995, pp. 7-8). Proponents of technology education have claimed that technological knowledge may be critical to the future needs of all students in the United States. However, propone...

Frequent EGFR mutations in malignant pleural effusion of lung adenocarcinoma Shang-Gin Wu, Chien-Hung Gow, Chong-Jen Yu, Yih-Leong Chang, Chih-Hsin Yang, Ya-chieh Hsu, Jin-Yuan Shih*, Yung-Chie Lee, Pan-Chyr Yang 1 Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan. 2 Division of Critical Care Medicine, Department of Emergency and Critical Care Medicine, Lotung...

[1] David Eppstein, Giuseppe F. Italiano, Roberto Tamassia, Robert Endre Tarjan, Jeffery Westbrook, and Moti Yung. Corrigendum: Maintenance of a minimum spanning forest in a dynamic plane graph. J. Algorithms, 15(1), 1993. [2] Andrew V. Goldberg and Robert E. Tarjan. Finding minimum-cost circulations by successive approximation. Math. Oper. Res., 15(3):430–466, July 1990. [3] Jacob Holm, Kristi...