We develop a methodology for extracting small investor sentiment from stock message boards. Five distinct classifier algorithms coupled by a voting scheme are found to perform well against human and statistical benchmarks. Time series and cross-sectional aggregation of message information improves the quality of the resultant sentiment index. Empirical applications evidence a relationship with ...

A NATO-sponsored Advanced Research Workshop (ARW 990-83) on "Coordinate Regulation of Cholesterol Metabolism" was held from October 1-3, 1984, in Sante Fe, New Mexico. The Giovanni Lorenzini Foundation of Italy was also a sponsor. The organizing director was Dr. Ajit Sanghvi, University of Pittsburgh; the co-directors were Drs. Giovanni Galli, University of Milan, Italy, and Terence J. Scallen,...

Abstract Background Studies of solid organ transplant recipients (SOTr) hospitalized for Covid-19 have focused on short-term outcomes with approximately 30 days follow-up time. Intermediate-term mortality and associated risk factors intermediate-term death not previously been reported. Methods Using data from a multi-center registry, we assessed by 90 among SOTr between 3/1/2020 12/31/2020. Mul...

placed beside a problem number indicates that the problem was submitted without solution. Proposers and solvers whose solutions are published will receive 5 reprints of the corresponding problem section. Other solvers will receive just one reprint provided a self-addressed stamped (U.S.A. or Canada) envelope is enclosed Proposers and solvers desiring acknowledgment of their contributions should...

Abigail Adebusuyi Joshua Adkins Vadim Agol Hector Aguilar Brian Akerley Pietro Alano Alberto Alape-Giron Randy Albrecht David Alland Lee-Ann Allen Nihal Altan-Bonnet Lisa Alvarez-Cohen John Alverdy Gary Andersen Dan Andersson Simon Andrews Judith Armitage Sandra Armstrong Darius ArmstrongJames David Aronoff Gustavo Arrizabalaga Hironobu Asao Taeok Bae Yong-Sun Bahn Mona Bajaj-Elliot David Baker...

Retrovesical cysts are very rare. Definitive preoperative diagnosis is difficult in many cases. Hydatid cyst can present as a retrovescial cyst, which can cause a diagnostic dilemma. We present a case of primary retrovesical hydatid cyst mimicking a prostatic utricle cyst, presenting as acute urinary retention in a 29 year old young male patient. Definitive pre-operative diagnosis was difficult...

ii ACKNOWLEDGEMENTS Here I stand with my piccolo but the orchestra plays much more sweetly… My thanks is humbly offered: • To my committee – Tom, Javed, Curt, and Marty, who have guided me through the years leading up to this process and through this long, messy labor. Like midwives everywhere, I made the problems and you were there to help me push, 'though you rarely got more than cursing for ...

For my family and for Clint, Thank you for your constant love and support… iv ACKNOWLEDGEMENT There are a number of individuals I would like to thank and acknowledge for their assistance and support in reaching my goals (specifically this thesis) and helping me to get to the point in my life that I am at today. I would first like to thank my family. Mom, thank you for listening to me all the ma...