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Flow-based Service Discipline for TCP Streaming in Advanced IP Router
Naotoshi Yoshihara,Hideki Tode,Koso Murakami 한국멀티미디어학회 2009 한국멀티미디어학회 국제학술대회 Vol.2009 No.-
Video-sharing applications using TCP (called "TCP streaming") like YouTube have been increased recently. However, it is difficult for the existing IP network to guarantee QoS of TCP streaming. So far, to achieve the QoS enhancement per flow, we have proposed the class-based output buffer control mechanism in QoS-aware router. In this paper, to guarantee more sophisticated QoS for TCP streaming, we propose the mechanism which calculates transmission bandwidth and buffer volume preferentially available (called "basic volume") according to active flows' condition estimated by measuring transmitted packets per flow. Furthermore, by computer simulation, the effectiveness of our proposal is verified.
“Improper” “Shakespeares” in Japan
Yukari Yoshihara 한국셰익스피어학회 2010 셰익스피어 비평 Vol.46 No.4
This paper explores how “improper” Shakespeares appropriate the “flagship commodity” and argue that they challenge us to re-examine the cultural authority of “authentic” Shakespeare in today’s globalized “Bardmart.” In spite of, or all the more because of, their irreverent and frivolous appropriation of Shakespeare, “improper” Shakespeares must, at least, depend upon Shakespeare’s global authority, at the same time as they are intent on showing that Shakespeare’s works themselves are nothing but commodities in entertainment business.
Effect of thin LiF layers in multi-layered PVCz polymer LEDs
Hiroki Yoshihara,Yousuke Tanaka,Suiko Tanaka,Masahiko Kitagawa,Hiroyuki Kusano,Hiroshi Kobayashi 한국물리학회 2005 Current Applied Physics Vol.5 No.1
We have investigated in detail the dependence of the electroluminescent characteristics on the thin LiF layer inserted under theelectrode layer of multi-layered PVCz polymer light emitting diode (PLED). Clear dependency has been obtained and reduction inthe operating voltage, improvement in luminance and the luminous and current eciencies have been realized with the optimizationof the thickness. The eect of thin LiF layer has been analyzed by using the current voltage dependence at low voltage regions andthe current is supposed to be carried considered LiF layer by tunnel injection between the PVCz layer and the electrode layer
Masato Yoshihara,Hiroaki Kajiyama,Satoshi Tamauchi,Shiro Suzuki,Kunihiko Takahashi,Shigeyuki Matsui,Fumitaka Kikkawa 대한부인종양학회 2019 Journal of Gynecologic Oncology Vol.30 No.6
Objective: The aim of this study was to investigate the clinical characteristics of youngpatients with stage I clear-cell carcinoma (CCC) and evaluate the prognostic factors andeffects of fertility-sparing surgery (FSS) using propensity score (PS) adjustment. Methods: We conducted a regional multi-institutional study between 1986 and 2017. Among4,277 patients with ovarian tumor, clinical and pathological data of 103 fertile women withstage I unilateral CCC were collected. We evaluated survival and reproductive outcomesin these patients. Additionally, to analyze the effects of FSS, baseline imbalance betweenpatients with and those without FSS was adjusted with an inverse probability of treatmentweighting using PSs involving independent clinical variables. Results: The mean patient age was 39.4 years, and the median follow-up period for survivingpatients was 55.6 months. In multivariate analysis, stage IC2/IC3 (vs. IA/IC1) was the onlyindependent prognostic factor for recurrence-free survival (RFS) and overall survival (OS). FSS was not associated with poorer prognosis when compared to the prognosis with nonpreservingsurgery with regard to both RFS and OS. No statistical difference in survivaloutcomes between FSS and other approaches was confirmed after PS adjustment. Amongpatients who underwent FSS, four deliveries with healthy neonates were noted without anygestational complications. Conclusion: FSS can be considered in stage I CCC, specifically in stage IA and IC1 patientswho strongly desire to have children in the future. Further clinical research is needed toclarify the optimal application of FSS for CCC.